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? 2001-2012 microchip technology inc. ds21653c-page 1 mcp1525/41 features ? precision voltage reference ? output voltages: 2.5v and 4.096v ? initial accuracy: 1% (max.) ? temperature drift: 50 ppm/c (max.) ? output current drive: 2 ma ? maximum input current: 100 a @ +25c (max.) ? packages: to-92 and sot-23-3 ? industrial temperature range: -40c to +85c applications ? battery-powered systems ? handheld instruments ? instrumentation and process control ? test equipment ? data acquisition systems ? communications equipment ? medical equipment ? precision power supplies ? 8-bit, 10-bit, 12-bit a/d converters (adcs) ? d/a converters (dacs) typical application circuit description the microchip technology inc. mcp1525/41 devices are 2.5v and 4.096v precision voltage references that use a combination of an advanced cmos circuit design and eprom trimming to provide an initial tolerance of 1% (max.) and temperature stability of 50 ppm/c (max.). in addition to a low quiescent current of 100 a (max.) at 25c, these devices offer a clear advantage over the traditional zener techniques in terms of stability across time and temperature. the output voltage is 2.5v for the mcp1525 and 4.096v for the mcp1541. these devices are offered in sot-23-3 and to-92 packages, and are specified over the industrial temperature range of -40c to +85c. temperature drift package types basic configuration v ss v out v in v ref v dd mcp1525 mcp1541 c l 1 f to 10 f c in 0.1 f (optional) 2.475 2.480 2.485 2.490 2.495 2.500 2.505 2.510 2.515 2.520 2.525 -50-25 0 255075100 ambient temperature (c) mcp1525 output voltage (v) 4.040 4.050 4.060 4.070 4.080 4.090 4.100 4.110 4.120 4.130 4.140 mcp1541 output voltage (v) mcp1525 mcp1541 v ss v out v in v ss v in v out mcp1525 mcp1541 to-92 mcp1525 mcp1541 sot-23-3 3 1 2 3 1 2 2.5v and 4.096v voltage references 21653c.book page 1 thursday, january 10, 2013 12:55 pm
mcp1525/41 ds21653c-page 2 ? 2001-2012 microchip technology inc. 1.0 electrical characteristics absolute maximum ratings ? v in ?v ss ..........................................................................7.0v input current (v in ) .......................................................20 ma output current (v out ) .............................................. 20 ma continuous power dissipation (t a = 125c)............. 140 mw all inputs and outputs .....................v ss ? 0.6v to v in +1.0v storage temperature.....................................-65c to +150c maximum junction temperature (t j ) .......................... +125c esd protection on all pins (hbm) ??????????????????????????????????????? 4kv ? notice: stresses above those listed under ?absolute maximum ratings? may cause permanent damage to the device. this is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. exposure to maximum rating conditions for extended periods may affect device reliability. dc electrical specifications electrical characteristics: unless otherwise indicated, t a =+25c, v in = 5.0v, v ss =gnd, i out =0ma and c l =1f. parameter sym min typ max units conditions output output voltage, mcp1525 v out 2.475 2.5 2.525 v 2.7v ?? v in ? 5.5v output voltage, mcp1541 v out 4.055 4.096 4.137 v 4.3v ?? v in ? 5.5v output voltage drift tcv out ?2750ppm/ct a = -40c to 85c (note 1) long-term output stability v out ? 2 ? ppm/hr exposed 1008 hrs @ +125c (see figure 1-1), measured @ +25c load regulation ? v out / ? i out ?0.5 1mv/mai out = 0 ma to -2 ma ? v out / ? i out ?0.6 1mv/mai out = 0 ma to 2 ma ? v out / ? i out ??1.3mv/mai out = 0 ma to -2 ma, t a = -40c to 85c ? v out / ? i out ??1.3mv/mai out = 0 ma to 2 ma, t a = -40c to 85c output voltage hysteresis v hys ? 115 ? ppm note 2 maximum load current i sc ?8?mat a = -40c to 85c, v in = 5.5v input-to-output dropout voltage v drop ?137?mvi out = 2 ma line regulation ? v out / ? v in ? 107 300 v/v v in = 2.7v to 5.5v for mcp1525 , v in = 4.3v to 5.5v for mcp1541 ? v out / ? v in ??350v/vv in = 2.7v to 5.5v for mcp1525 , v in = 4.3v to 5.5v for mcp1541 , t a = -40c to 85c input input voltage, mcp1525 v in 2.7 ? 5.5 v t a = -40c to 85c input voltage, mcp1541 v in 4.3 ? 5.5 v t a = -40c to 85c input current i in ? 86 100 a no load i in ? 95 120 a no load, t a = -40c to 85c note 1: output temperature coefficient is measured using a ?box? method, where the +25c output voltage is trimmed as close to typical as possible. the 85c output voltage is then again trimmed to zero out the tempco. 2: output voltage hysteresis is defined as the change in output voltage measured at +25c before and after cycling the temperature to +85c and -40c; refer to section 1.1.10 ?output voltage hysteresis? . 21653c.book page 2 thursday, january 10, 2013 12:55 pm
? 2001-2012 microchip technology inc. ds21653c-page 3 mcp1525/41 ac electrical specifications temperature specifications 1.1 specification descriptions and test circuits 1.1.1 output voltage output voltage is the reference voltage that is available on the output pin (v out ). 1.1.2 input voltage the input (operating) voltage is the range of voltage that can be applied to the v in pin and still have the device produce the designated output voltage on the v out pin. 1.1.3 output voltage drift (tcv out ) the output temperature coefficient or voltage drift is a measure of how much the output voltage (v out ) will vary from its initial value with changes in ambient temperature. the value specified in the electrical specifications is measured and equal to: equation 1-1: electrical characteristics: unless otherwise indicated, t a =+25c, v in = 5.0v, v ss =gnd, i out = 0 ma and c l =1f. parameter sym min typ max units conditions ac response bandwidth bw ? 100 ? khz input and load capacitors (see figure 4-1) input capacitor c in ?0.1? f notes 1 load capacitor c l 1?10f notes 2 noise mcp1525 output noise voltage e no ?90?v p-p 0.1 hz to 10 hz e no ?500?v p-p 10 hz to 10 khz mcp1541 output noise voltage e no ?145?v p-p 0.1 hz to 10 hz e no ?700?v p-p 10 hz to 10 khz note 1: the input capacitor is optional; microchip recommends using a ceramic capacitor. 2: these parts are tested at both 1 f and 10 f to ensure proper operation over this range of load capacitors. a wider range of load capacitor values has been characterized successfully, but is not tested in production. electrical characteristics: unless otherwise indicated, t a =+25c, v in = 5.0v and v ss =gnd. parameter sym min typ max units conditions temperature ranges specified temperature range t a -40 ? +85 c operating temperature range t a -40 ? +125 c note 1 storage temperature range t a -65 ? +150 c thermal package resistances thermal resistance, to-92 ? ja ?132?c/w thermal resistance, sot-23-3 ? ja ?336?c/w note 1: these voltage references operate over the operating temperature range, but with reduced performance. in any case, the internal junction temperature (t j ) must not exceed the absolute maximum specification of +150c. tcv out ? v out v nom ? ? t a ------------------------------------ = ppm ? c ? ?? where: v nom =2.5v, mcp1525 v nom = 4.096v, mcp1541 21653c.book page 3 thursday, january 10, 2013 12:55 pm
mcp1525/41 ds21653c-page 4 ? 2001-2012 microchip technology inc. 1.1.4 dropout voltage the dropout voltage of these devices is measured by reducing v in to the point where the output drops by 1%. under these conditions the dropout voltage is equal to: equation 1-2: the dropout voltage is affected by ambient temperature and load current. in figure 2-18, the dropout voltage is shown over a negative and positive range of output current. for currents above zero milliamps, the dropout voltage is positive. in this case, the voltage reference is primarily powered by v in . with output currents below zero milliamps, the dropout voltage is negative. as the output current becomes more negative, the input current (i in ) reduces. under this condition, the output current begins to provide the needed power to the voltage reference. 1.1.5 line regulation line regulation is a measure of the change in output voltage (v out ) as a function of a change in the input voltage (v in ). this is expressed as ? v out / ? v in and is measured in either v/v or ppm. for example, a 1 v change in v out caused by a 500 mv change in v in would net a ? v out / ? v in of 2 v/v, or 2 ppm. 1.1.6 load regulation ( ? v out / ? i out ) load regulation is a measure of the change in the output voltage (v out ) as a function of the change in output current (i out ). load regulation is usually measured in mv/ma. 1.1.7 input current the input current (operating current) is the current that sinks from v in to v ss without a load current on the out- put pin. this current is affected by temperature and the output current. 1.1.8 input voltage rejection ratio the input voltage rejection ratio (ivrr) is a measure of the change in output voltage versus the change in input voltage over frequency, as shown in figure 2-7. the calculation used for this plot is: equation 1-3: 1.1.9 long-term output stability the long-term output stability is measured by exposing the devices to an ambient temperature of 125c (figure 2-9) while configured in the circuit shown in figure 1-1. in this test, all electrical specifications of the devices are measured periodically at +25c. figure 1-1: dynamic life test configuration. 1.1.10 output voltage hysteresis the output voltage hysteresis is a measure of the output voltage error once the powered devices are cycled over the entire o perating temperature range. the amount of hysteresis can be quantified by measuring the change in the +25c output voltage after temperature excursions from +25c to +85c to +25c and also from +25c to -40c to +25c. v drop v in v out ? = ivrr 20 v in v out ------------- log db ?? = v ss v out v in c l v in =5.5v r l 2 ma square wave @10hz mcp1525 mcp1541 1f 21653c.book page 4 thursday, january 10, 2013 12:55 pm
? 2001-2012 microchip technology inc. ds21653c-page 5 mcp1525/41 2.0 typical performance curves note: unless otherwise indicated, t a =+25c, v in = 5.0v, v ss = gnd, i out = 0 ma and c l =1f. figure 2-1: output voltage vs. ambient temperature. figure 2-2: load regulation vs. ambient temperature. figure 2-3: input current vs. ambient temperature. figure 2-4: line regulation vs. ambient temperature. figure 2-5: output impedance vs. frequency. figure 2-6: output noise voltage density vs. frequency. note: the graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. the performance characteristics listed herein are not tested or guaranteed. in some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. 2.475 2.480 2.485 2.490 2.495 2.500 2.505 2.510 2.515 2.520 2.525 -50 -25 0 25 50 75 100 ambient temperature (c) mcp1525 output voltage (v) 4.040 4.050 4.060 4.070 4.080 4.090 4.100 4.110 4.120 4.130 4.140 mcp1541 output voltage (v) mcp1525 mcp1541 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 -50-25 0 255075100 ambient temperature (c) load regulation (mv/ma) source current = 0 ma to 2 ma sink current = 0 ma to -2 ma mcp1525 and mcp1541 0 10 20 30 40 50 60 70 80 90 100 -50 -25 0 25 50 75 100 ambient temperature (c) input current (a) mcp1525 mcp1541 0 20 40 60 80 100 120 140 -50-25 0 255075100 ambient temperature (c) line regulation (v/v) mcp1525 v in = 2.7v to 5.5v mcp1541 v in = 4.3v to 5.5v 0 1 2 3 4 5 6 7 1.e+00 1.e+01 1.e+02 1.e+03 1.e+04 1.e+05 1.e+06 frequency (hz) output impedance ( ) mcp1525 and mcp1541 i out = +2 ma i out = -2 ma 1 10 100 1k 10k 100k 1m 1 10 100 1,000 frequency (hz) output noise voltage density (v/ hz) 0.1 10 1k 10k 100k 1 100 mcp1541 mcp1525 21653c.book page 5 thursday, january 10, 2013 12:55 pm
mcp1525/41 ds21653c-page 6 ? 2001-2012 microchip technology inc. note: unless otherwise indicated, t a =+25c, v in = 5.0v, v ss = gnd, i out = 0 ma and c l =1f. figure 2-7: input voltage rejection ratio vs. frequency. figure 2-8: output voltage vs. input voltage. figure 2-9: output voltage aging vs. time (mcp1525 device life test data) ? figure 2-10: mcp1541 output voltage vs. output current. figure 2-11: mcp1525 output voltage vs. output current. figure 2-12: maximum load current vs. input voltage ? 30 40 50 60 70 80 90 1.e+00 1.e+01 1.e+02 1.e+03 1.e+04 1.e+05 frequency (hz) input voltage rejection ratio (db) mcp1525 1 10 100 1k 10k 100k mcp1541 2.498 2.499 2.500 2.501 2.502 2.503 2.504 2.505 2.506 2.5 3.0 3.5 4.0 4.5 5.0 5.5 input voltage (v) mcp1525 output voltage (v) 4.090 4.091 4.092 4.093 4.094 4.095 4.096 4.097 4.098 mcp1541 output voltage (v) i out = +2 ma i out = 0 ma i out = -2 ma -10 -8 -6 -4 -2 0 2 4 6 8 10 0 200 400 600 800 1000 time (hr) output voltage aging (mv) average -3 ? mcp1525 600 samples +3 ? life test (t a = +125c) 4.0950 4.0955 4.0960 4.0965 4.0970 4.0975 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 output current (ma) output voltage (v) mcp1541 2.4990 2.4995 2.5000 2.5005 2.5010 2.5015 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 output current (ma) output voltage (v) mcp1525 7.0 7.5 8.0 8.5 9.0 9.5 10.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 input voltage (v) maximum load current (ma) source mcp1525 mcp1541 mcp1541 sink 21653c.book page 6 thursday, january 10, 2013 12:55 pm
? 2001-2012 microchip technology inc. ds21653c-page 7 mcp1525/41 note: unless otherwise indicated, t a =+25c, v in = 5.0v, v ss = gnd, i out = 0 ma and c l =1f. figure 2-13: input current vs. input voltage. figure 2-14: mcp1541 0.1 hz to 10 hz output noise. figure 2-15: turn-on transient time. figure 2-16: mcp1525 load transient response. figure 2-17: mcp1525 line transient response. figure 2-18: dropout voltage vs. output current. 0 10 20 30 40 50 60 70 80 90 100 2.53.03.54.04.55.05.5 input voltage (v) input current (a) mcp1525 mcp1541 time (1 s/div) output noise voltage (20 v/div) mcp1541 bandwidth = 0.1 hz to 10 hz e no = 22 v rms = 145 v p-p -1 0 1 2 3 4 5 6 time (200 s/div) voltage (v) v out , mcp1541 v in v out , mcp1525 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 time (100 s/div) output current (ma) -20 -15 -10 -5 0 5 10 15 20 25 30 35 change in output voltage (mv) ? v out i out mcp1525 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 time (100 s/div) input voltage (v) -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 change in output voltage (mv) ? v out v in mcp1525 -150 -100 -50 0 50 100 150 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 output current (ma) dropout voltage (mv) mcp1525 and mcp1541 21653c.book page 7 thursday, january 10, 2013 12:55 pm
mcp1525/41 ds21653c-page 8 ? 2001-2012 microchip technology inc. 3.0 pin descriptions descriptions of the pins are listed in table 3-1. table 3-1: pin function table. 3.1 input voltage (v in ) v in functions as the positive power supply input (or operating input). an optional 0.1 f ceramic capacitor can be placed at this pin if the input voltage is too noisy; it needs to be within 5 mm of this pin. the input voltage needs to be at least 0.2v higher than the output voltage for normal operation. 3.2 output voltage (v out ) v out is an accurate reference voltage output. it can source and sink small currents, and has a low output impedance. a load capacitor between 1 f and 10 f needs to be located within 5 mm of this pin. 3.3 ground (v ss ) normally connected directly to ground. it can be placed at another voltage as long as all of the voltages shift with it, and proper bypassing is observed. mcp1525, mcp1541 (to-92-3) mcp1525, mcp1541 (sot-23-3) symbol description 31v in input voltage (or positive power supply) 22v out output voltage (or reference voltage) 13v ss ground (or negative power supply) 21653c.book page 8 thursday, january 10, 2013 12:55 pm
? 2001-2012 microchip technology inc. ds21653c-page 9 mcp1525/41 4.0 applications information 4.1 application tips 4.1.1 basic circuit configuration the mcp1525 and mcp1541 voltage reference devices should be applied as shown in figure 4-1 in all applications. figure 4-1: basic circuit configuration. as shown in figure 4-1, the input voltage is connected to the device at the v in input, with an optional 0.1 f ceramic capacitor. this capacitor would be required if the input voltage has excess noise. a 0.1 f capacitor would reject input voltage noise at approximately 1 to 2 mhz. noise below this frequency will be amply rejected by the input voltage rejection of the voltage ref- erence. noise at frequencies above 2 mhz will be beyond the bandwidth of the voltage reference and, consequently, not transmitted from the input pin through the device to the output. the load capacitance (c l ) is required in order to stabilize the voltage reference; see section 4.1.3 ?load capacitor? . 4.1.2 input (bypass) capacitor the mcp1525 and mcp1541 voltage references do not require an input capacitor across v in to v ss . however, for added stability and input voltage transient noise reduction, a 0.1 f ceramic capacitor is recommended, as shown in figure 4-1. this capacitor should be close to the device (within 5 mm of the pin). 4.1.3 load capacitor the output capacitor from v out to v ss acts as a frequency compensation for the references and cannot be omitted. use load capacitors between 1 f and 10 f to compensate these devices. a 10 f output capacitor has slightly better noise, and provides additional charge for fast load transients, when compared to a 1 f output capacitor. this capacitor should be close to the device (within 5 mm of the pin). 4.1.4 printed circuit board layout considerations mechanical stress due to printed circuit board (pcb) mounting can cause the output voltage to shift from its initial value. devices in the sot-23-3 package are generally more prone to assembly stress than devices in the to-92 package. to reduce stress-related output voltage shifts, mount the reference on low-stress areas of the pcb (i.e., away from pcb edges, screw holes and large components). 4.1.5 output filtering if the noise at the output of these voltage references is too high for the particular application, it can be easily filtered with an external rc filter and op amp buffer. the op amp?s input and output voltage ranges need to include the reference output voltage. figure 4-2: output noise-reducing filter. the rc filter values are selected for a desired cutoff frequency: equation 4-1: the values that are shown in figure 4-2 (10 k ? and 1 f) will create a first-order, low-pass filter at the output of the amplifier. the cutoff frequency of this filter is 15.9 hz, and the attenuation slope is 20 db/decade. the mcp6021 amplifier isolates the loading of this low- pass filter from the remainder of the application circuit. this amplifier also provides additional drive, with a faster response time than the voltage reference. v ss v out v in v ref v dd mcp1525 mcp1541 c l 1 f to 10 f c in 0.1 f (optional) v ss v out v in c l r fil mcp1525 mcp1541 10 f 10 kw c fil 1f v dd v ref mcp6021 v dd f c 1 2 ? r fil c fil ------------------------------ = 21653c.book page 9 thursday, january 10, 2013 12:55 pm
mcp1525/41 ds21653c-page 10 ? 2001-2012 microchip technology inc. 4.2 typical application circuits 4.2.1 negative voltage reference a negative precision voltage reference can be generated by using the mcp1525 or mcp1541 in the configuration shown in figure 4-3. figure 4-3: negative voltage reference. in this circuit, the voltage inversion is implemented using the mcp606 and two equal resistors. the voltage at the output of the mcp1525 or mcp1541 voltage reference drives r 1 , which is connected to the inverting input of the mcp606 amplifier. since the non-inverting input of the amplifier is biased to ground, the inverting input will also be close to ground potential. the second 10 k ? resistor is placed around the feedback loop of the amplifier. since the inverting input of the amplifier is high-impedance, the current generated through r 1 will also flow through r 2 . as a consequence, the output voltage of the amplifier is equal to -2.5v for the mcp1525 and -4.1v for the mcp1541. 4.2.2 a/d converter reference the mcp1525 and mcp1541 were carefully designed to provide a voltage reference for microchip?s 10-bit and 12-bit families of adcs. the circuit shown in figure 4-4 shows a mcp1541 configured to provide the reference to the mcp3201, a 12-bit adc. figure 4-4: adc reference circuit. v ss v out v in c l r 1 mcp1525 mcp1541 10 f 10 k ? v dd =5.0v v ref mcp606 v ss =- 5.0v 0.1% r 2 10 k ? 0.1% v ref =-2.5v, mcp1525 v ref = -4.096v, mcp1541 v ss v out v in mcp1541 v dd =5.0v c in 0.1 f mcp3201 c l 10 f v ref in+ in? v in 10 f 0.1 f to pic ? microcontroller 3 21653c.book page 10 thursday, january 10, 2013 12:55 pm
? 2001-2012 microchip technology inc. ds21653c-page 11 mcp1525/41 5.0 packaging information 5.1 package marking information 3-lead to-92 (leaded) 3-lead sot-23-3 xxxxxx xxxxxx xxyyww nnn xxnn example: example: mcp 1525 i to0544 256 va25 device i-temp code mcp1525 vann mcp1541 vbnn note: applies to 3-lead sot-23. legend: xx...x customer-specific information y year code (last digit of calendar year) yy year code (last 2 digits of calendar year) ww week code (week of january 1 is week ?01?) nnn alphanumeric traceability code pb-free jedec designator for matte tin (sn) * this package is pb-free. the pb-free jedec designator ( ) can be found on the outer packaging for this package. note : in the event the full microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. 3 e 3 e 3-lead to-92 (lead free) xxxxxx xxxxxx xxxxxx ywwnnn example: mcp 1525 i to ^^ 544256 3 e 21653c.book page 11 thursday, january 10, 2013 12:55 pm
mcp1525/41 ds21653c-page 12 ? 2001-2012 microchip technology inc. 3-lead plastic transistor outline (to) (to-92) 4 3 2 4 3 2 ? mold draft angle bottom 6 5 4 6 5 4 ? 0.56 0.48 0.41 .022 .019 .016 b lead width 0.51 0.43 0.36 .020 .017 .014 c lead thickness 2.41 2.29 2.16 .095 .090 .085 r molded package radius 4.95 4.64 4.32 .195 .183 .170 d overall length 4.95 4.71 4.45 .195 .186 .175 e1 overall width 3.94 3.62 3.30 .155 .143 .130 a bottom to package flat 1.27 .050 p pitch 3 3 n number of pins max nom min max nom min dimension limits millimeters inches* units r n 1 3 ? p l b a c ? 1 d 2 e1 tip to seating plane l .500 .555 .610 12.70 14.10 15.49 *controlling parameter mold draft angle top notes: dimensions d and e1 do not include mold flash or protrusions. mold flash or protrusions shall not exceed .010? (0.254mm) per side. jedec equivalent: to-92 drawing no. c04-101 note: for the most current package drawings, please see the microchip packaging specification located at http://www.microchip.com/packaging 21653c.book page 12 thursday, january 10, 2013 12:55 pm
? 2001-2012 microchip technology inc. ds21653c-page 13 mcp1525/41 3-lead plastic small outline transistor (tt) (sot23) 10 5 0 10 5 0 ? mold draft angle bottom 10 5 0 10 5 0 ? mold draft angle top 0.51 0.44 0.37 .020 .017 .015 b lead width 0.18 0.14 0.09 .007 .006 .004 c lead thickness 10 5 0 10 5 0 ? foot angle 0.55 0.45 0.35 .022 .018 .014 l foot length 3.04 2.92 2.80 .120 .115 .110 d overall length 1.40 1.30 1.20 .055 .051 .047 e1 molded package width 2.64 2.37 2.10 .104 .093 .083 e overall width 0.10 0.06 0.01 .004 .002 .000 a1 standoff 1.02 0.95 0.88 .040 .037 .035 a2 molded package thickness 1.12 1.01 0.89 .044 .040 .035 a overall height 1.92 .076 p1 outside lead pitch (basic) 0.96 .038 p pitch 3 3 n number of pins max nom min max nom min dimension limits millimeters inches* units 2 1 p d b n e e1 l c ? ? ? a2 a a1 p1 * controlling parameter notes: dimensions d and e1 do not include mold flash or protrusions. mold flash or protrusions shall not exceed .010? (0.254mm) per side. jedec equivalent: to-236 drawing no. c04-104 significant characteristic note: for the most current package drawings, please see the microchip packaging specification located at http://www.microchip.com/packaging 21653c.book page 13 thursday, january 10, 2013 12:55 pm
mcp1525/41 ds21653c-page 14 ? 2001-2012 microchip technology inc. notes: 21653c.book page 14 thursday, january 10, 2013 12:55 pm
? 2001-2012 microchip technology inc. ds21653c-page 15 mcp1525/41 appendix a: revision history revision c (december 2012) added a note to each package outline drawing. revision b (february 2005) the following is the list of modifications: 1. added bandwidth and capacitor specifications ( section 1.0 ?electrical characteristics? ). 2. moved section 1.1 ?specification descrip- tions and test circuits? to the specifications section ( section 1.0 ?electrical characteris- tics? ). 3. corrected plots in section 2.0 ?typical perfor- mance curves? . 4. added section 3.0 ?pin descriptions? . 5. corrected package markings in section 5.0 ?packaging information? . 6. added appendix a: ?revision history? . revision a (july 2001) ? original release of this document. 21653c.book page 15 thursday, january 10, 2013 12:55 pm
mcp1525/41 ds21653c-page 16 ? 2001-2012 microchip technology inc. notes: 21653c.book page 16 thursday, january 10, 2013 12:55 pm
? 2001-2012 microchip technology inc. ds21653c-page 17 mcp1525/41 product identification system to order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office . device mcp1525: = 2.5v voltage reference mcp1541: = 4.096 voltage reference temperature range i = -40 ? c to +85 ? c package to = to-92, plastic transistor outline, 3-lead tt = sot23, plastic small outline transistor, 3-lead part no. x /xx package temperature range device examples: a) mcp1525t-i/tt: tape and reel, industrial temperature, sot23 package. b) mcp1525-i/to: industrial temperature, to-92 package. c) mcp1541t-i/tt: tape and reel, industrial temperature, sot23 package. d) mcp1541-i/to: industrial temperature, to-92 package. 21653c.book page 17 thursday, january 10, 2013 12:55 pm
mcp1525/41 ds21653c-page 18 ? 2001-2012 microchip technology inc. notes: 21653c.book page 18 thursday, january 10, 2013 12:55 pm
? 2001-2012 microchip technology inc. ds21653c-page 19 information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. it is your responsibility to ensure that your application meets with your specifications. microchip makes no representations or warranties of any kind whether express or implied, written or oral, statutory or otherwise, related to the information, including but not limited to its condition, quality, performance, merchantability or fitness for purpose . microchip disclaims all liability arising from this information and its use. use of microchip devices in life support and/or safety applications is entirely at the buyer?s risk, and the buyer agrees to defend, indemnify and hold harmless microchip from any and all damages, claims, suits, or expenses resulting from such use. no licenses are conveyed, implicitly or otherwise, under any microchip intellectual property rights. trademarks the microchip name and logo, the microchip logo, dspic, flashflex, k ee l oq , k ee l oq logo, mplab, pic, picmicro, picstart, pic 32 logo, rfpic, sst, sst logo, superflash and uni/o are registered trademarks of microchip technology incorporated in the u.s.a. and other countries. filterlab, hampshire, hi-tech c, linear active thermistor, mtp, seeval and the embedded control solutions company are registered trademarks of microchip technology incorporated in the u.s.a. silicon storage technology is a registered trademark of microchip technology inc. in other countries. analog-for-the-digital age, application maestro, bodycom, chipkit, chipkit logo, codeguard, dspicdem, dspicdem.net, dspicworks, dsspeak, ecan, economonitor, fansense, hi-tide, in-circuit serial programming, icsp, mindi, miwi, mpasm, mpf, mplab certified logo, mplib, mplink, mtouch, omniscient code generation, picc, picc-18, picdem, picdem.net, pickit, pictail, real ice, rflab, select mode, sqi, serial quad i/o, total endurance, tsharc, uniwindriver, wiperlock, zena and z-scale are trademarks of microchip technology incorporated in the u.s.a. and other countries. sqtp is a service mark of microchip technology incorporated in the u.s.a. gestic and ulpp are registered trademarks of microchip technology germany ii gmbh & co. & kg, a subsidiary of microchip technology inc., in other countries. all other trademarks mentioned herein are property of their respective companies. ? 2001-2012, microchip technology incorporated, printed in the u.s.a., all rights reserved. printed on recycled paper. isbn: 9781620768853 note the following details of the code protection feature on microchip devices: ? microchip products meet the specification contained in their particular microchip data sheet. ? microchip believes that its family of products is one of the most secure families of its kind on the market today, when used i n the intended manner and under normal conditions. ? there are dishonest and possibly illegal methods used to breach the code protection feature. all of these methods, to our knowledge, require using the microchip products in a manner outside the operating specifications contained in microchip?s data sheets. most likely, the person doing so is engaged in theft of intellectual property. ? microchip is willing to work with the customer who is concerned about the integrity of their code. ? neither microchip nor any other semiconductor manufacturer can guarantee the security of their code. code protection does not mean that we are guaranteeing the product as ?unbreakable.? code protection is constantly evolving. we at microchip are committed to continuously improving the code protection features of our products. attempts to break microchip?s code protection feature may be a violation of the digital millennium copyright act. if such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that act. microchip received iso/ts-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in chandler and tempe, arizona; gresham, oregon and design centers in california and india. the company?s quality system processes and procedures are for its pic ? mcus and dspic ? dscs, k ee l oq ? code hopping devices, serial eeproms, microperipherals, nonvolatile memory and analog products. in addition, microchip?s quality system for the design and manufacture of development systems is iso 9001:2000 certified. quality management system certified by dnv == iso/ts 16949 == 21653c.book page 19 thursday, january 10, 2013 12:55 pm
ds21653c-page 20 ? 2001-2012 microchip technology inc. americas corporate office 2355 west chandler blvd. chandler, az 85224-6199 tel: 480-792-7200 fax: 480-792-7277 technical support: http://www.microchip.com/ support web address: www.microchip.com atlanta duluth, ga tel: 678-957-9614 fax: 678-957-1455 boston westborough, ma tel: 774-760-0087 fax: 774-760-0088 chicago itasca, il tel: 630-285-0071 fax: 630-285-0075 cleveland independence, oh tel: 216-447-0464 fax: 216-447-0643 dallas addison, tx tel: 972-818-7423 fax: 972-818-2924 detroit farmington hills, mi tel: 248-538-2250 fax: 248-538-2260 indianapolis noblesville, in tel: 317-773-8323 fax: 317-773-5453 los angeles mission viejo, ca tel: 949-462-9523 fax: 949-462-9608 santa clara santa clara, ca tel: 408-961-6444 fax: 408-961-6445 toronto mississauga, ontario, canada tel: 905-673-0699 fax: 905-673-6509 asia/pacific asia pacific office suites 3707-14, 37th floor tower 6, the gateway harbour city, kowloon hong kong tel: 852-2401-1200 fax: 852-2401-3431 australia - sydney tel: 61-2-9868-6733 fax: 61-2-9868-6755 china - beijing tel: 86-10-8569-7000 fax: 86-10-8528-2104 china - chengdu tel: 86-28-8665-5511 fax: 86-28-8665-7889 china - chongqing tel: 86-23-8980-9588 fax: 86-23-8980-9500 china - hangzhou tel: 86-571-2819-3187 fax: 86-571-2819-3189 china - hong kong sar tel: 852-2943-5100 fax: 852-2401-3431 china - nanjing tel: 86-25-8473-2460 fax: 86-25-8473-2470 china - qingdao tel: 86-532-8502-7355 fax: 86-532-8502-7205 china - shanghai tel: 86-21-5407-5533 fax: 86-21-5407-5066 china - shenyang tel: 86-24-2334-2829 fax: 86-24-2334-2393 china - shenzhen tel: 86-755-8864-2200 fax: 86-755-8203-1760 china - wuhan tel: 86-27-5980-5300 fax: 86-27-5980-5118 china - xian tel: 86-29-8833-7252 fax: 86-29-8833-7256 china - xiamen tel: 86-592-2388138 fax: 86-592-2388130 china - zhuhai tel: 86-756-3210040 fax: 86-756-3210049 asia/pacific india - bangalore tel: 91-80-3090-4444 fax: 91-80-3090-4123 india - new delhi tel: 91-11-4160-8631 fax: 91-11-4160-8632 india - pune tel: 91-20-2566-1512 fax: 91-20-2566-1513 japan - osaka tel: 81-6-6152-7160 fax: 81-6-6152-9310 japan - tokyo tel: 81-3-6880- 3770 fax: 81-3-6880-3771 korea - daegu tel: 82-53-744-4301 fax: 82-53-744-4302 korea - seoul tel: 82-2-554-7200 fax: 82-2-558-5932 or 82-2-558-5934 malaysia - kuala lumpur tel: 60-3-6201-9857 fax: 60-3-6201-9859 malaysia - penang tel: 60-4-227-8870 fax: 60-4-227-4068 philippines - manila tel: 63-2-634-9065 fax: 63-2-634-9069 singapore tel: 65-6334-8870 fax: 65-6334-8850 taiwan - hsin chu tel: 886-3-5778-366 fax: 886-3-5770-955 taiwan - kaohsiung tel: 886-7-213-7828 fax: 886-7-330-9305 taiwan - taipei tel: 886-2-2508-8600 fax: 886-2-2508-0102 thailand - bangkok tel: 66-2-694-1351 fax: 66-2-694-1350 europe austria - wels tel: 43-7242-2244-39 fax: 43-7242-2244-393 denmark - copenhagen tel: 45-4450-2828 fax: 45-4485-2829 france - paris tel: 33-1-69-53-63-20 fax: 33-1-69-30-90-79 germany - munich tel: 49-89-627-144-0 fax: 49-89-627-144-44 italy - milan tel: 39-0331-742611 fax: 39-0331-466781 netherlands - drunen tel: 31-416-690399 fax: 31-416-690340 spain - madrid tel: 34-91-708-08-90 fax: 34-91-708-08-91 uk - wokingham tel: 44-118-921-5869 fax: 44-118-921-5820 worldwide sales and service 11/29/12 21653c.book page 20 thursday, january 10, 2013 12:55 pm

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