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ds04-13501-3e fujitsu semiconductor data sheet linear ic general purpose converter cmos d/a converter for digital tuning (12 channels. 8-bit, with op amplifier) mb88346b description the mb88346b features 12 channels of 8-bit d/a converters with output amplifier for digital tuning. the output amplifier provides high current drive capability. as the mb88346b inputs data in serial , it requires only three control li nes and can also be cascade-connected with the mb88340 series. the mb88346b is suitable for electronic volumes and r eplacement for potentiometers for adjustment, in addition to normal d/a converter applications. features ? low power consumption small package integrating 12 channels of r-2r type 8-bit d/a converter (continued) packages 20-pin plastic dip 20-pin plastic sop 20-pin plastic ssop (dip-20p-m02) (fpt-20p-m01) (fpt-20p-m03)
mb88346b 2 (continued) built-in analog output amplifier (max + 1.0 ma sink/source current) analog output range : 0 to v cc the range of d/a conversion can be independently set by separated the power supply for mcu interface and op amplifier and the power supply for d/a converter. capable of being controlled directly by a 3-v mcu (input voltage : ?h? = 0.5 v cc , ?l? = 0.2 v cc ) serial data input, 2.5 mhz operation cmos process package lineup : dip 20-pin, sop 20-pin, ssop 20-pin
mb88346b 3 pin assignments pin description * : when three pins, di, clk, and ld pi ns are connected to 3-v mcu, they are fixed to ?l? level at non transfer. pin no. symbol i/o pin name function 17 di* i data input pin this pin inputs 12-bit serial data. 14 do o data output pin this pin outputs ms b bit data of 12-bit shift register. 16 clk* i shift clock input pin input signal from di pin is inputted to 12-bit shift register at rising of shift clock. 15 ld* i load signal input pin if input ?h? level to ld pin, t he data of 12-bit shift register is loaded to the decoder and t he register for d/a output. 18, 19, 2, 3, 4, 5, 6, 7, 8, 9, 12, 13 ao 1 , ao 2 , ao 3 , ao 4 , ao 5 , ao 6 , ao 7 , ao 8 , ao 9 , ao 10 , ao 11 , ao 12 o d/a output pin these pins output analog data of 8-bit d/a converter with op amplifier. 11 v cc ? power supply pin power supply pin of mcu interface and op amplifier 20 gnd ? ground pin ground pin of mcu interface and op amplifier 10 v dd ? power supply pin power supply pin of d/a converter 1v ss ? ground pin ground pin of d/a converter v ss ao 3 ao 4 ao 5 ao 6 ao 7 ao 8 ao 9 ao 10 v dd gnd ao 2 ao 1 ao 11 ao 12 v cc do ld clk di (top view) (dip-20p-m02) v ss ao 3 ao 4 ao 5 ao 6 ao 7 ao 8 ao 9 ao 10 v dd gnd ao 2 ao 1 ao 11 ao 12 v cc do ld clk di (top view) (fpt-20p-m01) (fpt-20p-m03) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
mb88346b 4 block diagram + _ + ? 12 gnd d o ld d11 d10 d9 12 4 3 2 1 d8 d7 d6 d5 d4 d3 d2 d1 d0 di c lk v cc 8 d0 112 d0 d7 v cc gnd ao 1 ao 12 v dd v ss d7 8-bit latch 8-bit latch 8-bit r-2r d/a converter 8-bit r-2r d/a converter address decoder 12-bit shift register
mb88346b 5 data for chip control 1. data for shift register the chip is controlled by 12 bits of data input to the shift register. the shift register inputs a total of 12 bits of data consisting of a four-bit address selection signal and an eight- bit d/a converter control signal. a data to the shift register is inputted to the di pin in the order of d11 (msb) to d0 (lsb) . 2. d/a converter control signal v ref = v dd - v ss input data signal d/a converter output voltage d0 d1 d2 d3 d4 d5 d6 d7 00000000 ? v ss 10000000 ? v ref / 255 1 + v ss 01000000 ? v ref / 255 2 + v ss 11000000 ? v ref / 255 3 + v ss 01111111 ? v ref / 255 254 + v ss 11111111 ? v dd d0 last (lsb) first (msb) d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d/a converter control signal address selected signal
mb88346b 6 3. address selected signal input data signal address selected sequence d8 d9 d10 d11 0000 don't care 0001 ao 1 selected 0010 ao 2 selected 0011 ao 3 selected 0100 ao 4 selected 0101 ao 5 selected 0110 ao 6 selected 0111 ao 7 selected 1000 ao 8 selected 1001 ao 9 selected 1010 ao 10 selected 1011 ao 11 selected 1100 ao 12 selected 1101 don't care 1110 don't care 1111 don't care
mb88346b 7 timing chart at data setting analog output voltage range ld clk di msb d11 d10 d9 d8 d2 d1 d0 lsb d/a output (ao 1 to ao 12 ) v dd v cc v aoh (v cc ) v aol (gnd) gnd v ss r-2r ladder output op amplifier output d/a output range (linear area) note : v cc = v dd , gnd = v ss
mb88346b 8 absolute maximum ratings warning: semiconductor devices can be permanently dam aged by application of stress (voltage, current, temperature, etc.) in excess of absolute maximum ratings. do not exceed these ratings. recommended operating conditions warning: the recommended operating conditions are require d in order to ensure the normal operation of the semiconductor device. all of the device?s electric al characteristics are warranted when the device is operated within these ranges. always use semiconductor devices within their recommended operating cond ition ranges. operation outside these ranges may adversely affect re liability and could result in device failure. no warranty is made with respect to uses, operat ing conditions, or combinations not represented on the data sheet. users considering application outside the listed conditions are advised to contact their fujitsu representatives beforehand. parameter symbol condition rating unit remarks min max power supply voltage v cc the case that gnd is referred. ta = + 25 c ? 0.3 + 7.0 v v dd ? 0.3 + 7.0 v v cc v dd input voltage v in ? 0.3 v cc + 0.3 v output voltage v out ? 0.3 v cc + 0.3 v power consumption p d ?? 250 mw operating temperature ta ?? 40 + 85 c storage temperature tstg ?? 55 + 150 c parameter symbol value unit min max power supply voltage v cc 4.5 5.5 v gnd ? 0v analog output source current i source ? 1.0 ma analog output sink current i sink ? 1.0 ma oscillation limited output capacitance c ol ? 1.0 f operating temperature ta ? 40 + 85 c
mb88346b 9 electrical characteristics 1. dc characteristics (1) digital block (v dd , v cc = + 5 v 10 % (v cc v dd ) , gnd, v ss = 0 v, ta = ? 40 c to + 85 c) note : i ol and i oh are output load current. (2) analog block (v dd , v cc = + 5 v 10 % (v cc v dd ) , gnd, v ss = 0 v, ta = ? 40 c to + 85 c) (continued) parameter symbol pin name conditions value unit min typ max power supply voltage v cc v cc ? 4.5 5.0 5.5 v power supply current i cc at clk = 1 mhz operating (at no load) ? 2.5 4.5 ma input leakage current i ilk clk di ld v in = 0 to v cc ? 10 ? 10 a ?l? level input voltage v il ??? 0.2 v cc v ?h? level input voltage v ih ? 0.5 v cc ?? v ?l? level output voltage v ol do i ol = 2.5 ma ?? 0.4 v ?h? level output voltage v oh i oh = ? 400 av cc ? 0.4 ?? v parameter symbol pin name conditions value unit min typ max consumption current i dd v dd no load ? 0.2 0.5 ma analog power supply voltage v dd v dd v dd ? v ss 2.0 v 2.0 ? v cc v v ss v ss gnd ? v cc ? 2.0 v resolution res ao 1 to ao 12 monotonic increase ? 8 ? bit non linearity error le no load v dd v cc ? 0.1 v v ss 0.1 v ? 1.5 0 1.5 lsb differential linearity error d le no load v dd v cc ? 0.1 v v ss 0.1 v ? 1.0 ? 1.0 lsb output minimum voltage 1 v aol1 ao 1 to ao 12 no load, v ss = 0 v when digital setting is #00. v ss ? v ss + 0.1 v output minimum voltage 2 v aol2 i source = 500 a when digital setting is #00. v ss ? 2.0 v ss v ss + 0.2 v output minimum voltage 3 v aol3 i sink = 500 a when digital setting is #00. v ss ? v ss + 0.2 v output minimum voltage 4 v aol4 v dd = v cc = 5.0 v v ss = gnd = 0.0 v i source = 1.0 ma when digital setting is #00. v ss ? 0.3 v ss v ss + 0.3 v output minimum voltage 5 v aol5 v dd = v cc = 5.0 v v ss = gnd = 0.0 v i sink = 1.0 ma when digital setting is #00. v ss ? v ss + 0.3 v
mb88346b 10 (continued) (v dd , v cc = + 5 v 10 % (v cc v dd ) , gnd, v ss = 0 v, ta = ? 40 c to + 85 c) non linearity error : the error of the i/o curve from t he ideal straight line betwee n output voltages at "00" and "ff". differential linearity error : the error from the ideal incr ement given when the digital value is incremented by one bit. parameter symbol pin name conditions value unit min typ max output maximum voltage 1 v aoh1 ao 1 to ao 12 no load, v dd = v cc when digital setting is #ff. v dd ? 0.1 ? v dd v output maximum voltage 2 v aoh2 i source = 500 a when digital setting is #ff. v dd ? 0.2 ? v dd v output maximum voltage 3 v aoh3 i sink = 500 a when digital setting is #ff. v dd ? 0.2 v dd v dd + 0.2 v output maximum voltage 4 v aoh4 v dd = v cc = 5.0 v v ss = gnd = 0.0 v i source = 1.0 ma when digital setting is #ff. v dd ? 0.3 ? v dd v output maximum voltage 5 v aoh5 v dd = v cc = 5.0 v v ss = gnd = 0.0 v i sink = 1.0 ma when digital setting is #ff. v dd ? 0.3 v dd v dd + 0.3 v v aoh v aol #00 #ff note : v aoh and v aol do not always match v dd and v ss , respectively. analog output ideal straight line non linearity error digital setting
mb88346b 11 2. ac characteristics (v dd , v cc = + 5 v 10 % (v cc v dd ) , gnd, v ss = 0 v, ta = ? 40 c to + 85 c) ? load condition parameter symbol conditions value unit min max ?l? level clock pulse width t ckl ? 200 ? ns ?h? level clock pulse width t ckh ? 200 ? clock rising time clock falling time t cr t cf ?? 200 data setup time t dch ? 30 ? data hold time t chd ? 60 ? load setup time t chl ? 200 ? load hold time t ldc ? 100 ? ?h? level load pulse width t ldh ? 100 ? data output delay time t do refer to ?load condition (1) ?. 70 350 d/a output settling time t ldd refer to ?load condition (2) ?. ? 20 s c al = 50 pf r al = 10 k ? c l (20 pf c l 100 pf) (1) (2) measurement point measurement point do d/a output (ao 1 to ao 12 )
mb88346b 12 ? input/output timing ld di clk t cr t ckh t cf t ckl t dch t chd t chl t ldh t ldc t ldd t do d/a output (ao 1 to ao 12 ) do note : the d/a output evaluation level is 90 % and 10 % of v cc . the other evaluation level is 80 % and 20 % of v cc .
mb88346b 13 example characteristics (v) + 0.3 + 0.2 + 0.1 v dd ? 0.1 ? 0.2 ? 0.3 + 0.3 + 0.2 + 0.1 v ss ? 0.1 ? 0.2 ? 0.3 ? 0.1 ? 0.5 0 0.5 1.0 (ma) example of analog output voltage vs . sink/source current characteristics analog output voltage sink current i sink source current i source
mb88346b 14 ordering information part no. package remarks mb88346bp 20-pin plastic dip (dip-20p-m02) mb88346bpf 20-pin plastic sop (fpt-20p-m01) MB88346BPFV 20-pin plastic ssop (fpt-20p-m03)
mb88346b 15 package dimensions (continued) 20-pin plastic dip ( dip-20p-m02 ) dimensions in mm (inches). note : the values in parentheses are reference values. +.012 ?0 +.008 ?.012 ?0 +.012 +0.30 ?0 ?0 +0.30 +0.20 ?0.30 .050 3.00(.118)min 4.36(.172)max typ 7.62(.300) (.244.010) 6.200.25 .970 .034 0.86 index-1 max 1.27(.050) 1.27 0.250.05 (.010.002) 0.51(.020)min 15?max 24.64 typ 2.54(.100) index-2 (.018.003) 0.460.08 1994 fujitsu limited d20003s-3c-4 c
mb88346b 16 (continued) 20-pin plastic sop (fpt-20p-m01) note 1) *1 : these dimensi ons include resin protrusion. note 2) *2 : these dimensions do not include resin protrusion. note 3) pins width and pins thickness include plating thickness. note 4) pins width do not include tie bar cutting remainder. dimensions in mm (inches). note: the values in parentheses are reference values. c 2002 fujitsu limited f20003s-c-7-7 0.13(.005) m details of "a" part 7.800.40 5.300.30 (.209.012) (.307.016) ?.008 +.010 ?0.20 +0.25 12.70 index 1.27(.050) 0.10(.004) 1 10 11 20 0.470.08 (.019.003) ?0.04 +0.03 0.17 .007 +.001 ?.002 "a" 0.25(.010) (stand off) 0~8 ? (mounting height) 2.00 +0.25 ?0.15 .079 +.010 ?.006 0.500.20 (.020.008) 0.600.15 (.024.006) 0.10 +0.10 ?0.05 ?.002 +.004 .004 .500 * 1 * 2 0.10(.004)
mb88346b 17 (continued) 20-pin plastic ssop (fpt-20p-m03) note 1) *1 : resin protrusion. (each side : +0.15 (.006) max). note 2) *2 : these dimensions do not include resin protrusion. note 3) pins width and pins th ickness include plating thickness. note 4) pins width do not include tie bar cutting remainder. dimensions in mm (inches). note: the values in parentheses are reference values. c 2003 fujitsu limited f20012s-c-4-6 6.500.10(.256.004) 4.400.10 6.400.20 (.252.008) (.173.004) .049 ?.004 +.008 ?0.10 +0.20 1.25 (mounting height) 0.10(.004) 0.65(.026) 0.240.08 (.009.003) 1 10 20 11 "a" 0.100.10 (stand off) 0.170.03 (.007.001) m 0.13(.005) (.004.004) details of "a" part 0~8 ? (.024.006) 0.600.15 (.020.008) 0.500.20 0.25(.010) lead no. index * 1 * 2
mb88346b fujitsu limited all rights reserved. the contents of this document are subject to change without notice. customers are advised to consult with fujitsu sales representatives before ordering. the information, such as descriptions of function and application circuit examples, in this document are presented solely for the purpose of reference to show examples of operations and uses of fujitsu semiconductor device; fujitsu does not warrant proper operation of the device with respect to use based on such information. when you develop equipment incorporating the device based on such information, you must assume any responsibility arising out of such use of the information. fujitsu assumes no liability for any damages whatsoever arising out of the use of the information. any information in this document, including descriptions of function and schematic diagrams, shall not be construed as license of the use or exercise of any intellectual property right, such as patent right or copyright, or any ot her right of fujitsu or any third party or does fujitsu warrant non-in fringement of any third-party?s intellectual property right or othe r right by using such information. fujitsu assumes no liability for any infringement of the intellectual property rights or other rights of third parties which would result from the use of information contained herein. the products described in this document are designed, developed and manufactured as contemplated for general use, including without limitation, ordinary industrial use, general office use, personal use, and household use, but are not designed, developed and manufactured as contemplated (1) for use accompanying fatal risks or dangers that, unless extremel y high safety is secured, could have a serious effect to the public, and could lead directly to death, personal injury, severe physical damage or other loss (i.e., nuclear reaction control in nuclear facility, ai rcraft flight control, air traffic control, mass transport control, medical life support system, missile launch control in weapon syst em), or (2) for use requiring extremely high reliability (i.e., su bmersible repeater and artificial satellite). please note that fujitsu will not be liable against you and/or any third party for any claims or damages arising in connection with above-mentioned uses of the products. any semiconductor devices have an inherent chance of failure. you must protect against injury, damage or loss from such failures by incorporating safety design m easures into your facility and equipment such as redundancy, fi re protection, and prevention of over-current levels and other abnormal operating conditions. if any products described in this document represent goods or technologies subject to certain restrictions on export under the foreign exchange and foreign trade law of japan, the prior authorization by japanese government will be required for export of those products from japan. f0503 ? 2005 fujitsu limited printed in japan

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