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TC1030
Linear Building Block - Quad Low Power Op Amp with Shutdown Modes
Features
* * * * Optimized for Single Supply Operation Small Package: 16-Pin QSOP Ultra Low Input Bias Current: Less than 100pA Low Quiescent Current, Operating: 20A (Typ.), Shutdown Mode: 6A (Typ.) * Rail-to-Rail Inputs and Outputs * Operates Down to 1.8V * Can Shut Down One, Two or Three Op Amps
General Description
The TC1030 is a quad CMOS operational amplifier designed for low power applications. It has a typical operating supply current of 20A which is constant over the supply voltage range of 1.8V to 5.5V. Each op amp has rail-to-rail inputs and output which allow operation at low supply voltages with large input and output signal swings. Two active low shutdown pins are provided. One pin disables op amp B while the other disables op amps C and D. Op amp A is always active. When disabled, the outputs of op amps B, C and D are in a high impedance state. Packaged in a 16-Pin QSOP, the TC1030 is ideal for battery operated applications. The TC1030 is packaged in a 16-Pin QSOP, making it ideal for battery operated applications.
Applications
* Power Management Circuits * Battery Operated Equipment * Consumer Products
Device Selection Table
Part Number TC1030EQR Package 16-Pin QSOP Temperature Range -40C to +85C
Functional Block Diagram
OUTA INA1 2 - - A D + 14 IND+
TC1030
16 15
OUTD IND-
Package Type
16-Pin QSOP
OUTA INAINA+ VDD INB+ INBOUTB SHDNB
1 2 3 4 5 6 7 8 16 15 14
INA+ 3
OUTD INDIND+ VSS INC+ INCOUTC SHDNC/D
INBVDD
4
INB+
5 + B 6 - C - +
TC1030EQR
13 12 11 10 9
OUTB SHDNB
7 8
2002 Microchip Technology Inc.
+
13
VSS INC+
12
11 10
INCOUTC
9
SHDNC/D
DS21341B-page 1
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TC1030
1.0 ELECTRICAL CHARACTERISTICS
*Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability.
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage ......................................................6.0V Voltage on Any Pin .......... (V SS - 0.3V) to (VDD + 0.3V) Junction Temperature....................................... +150C Operating Temperature Range............. -40C to +85C Storage Temperature Range .............. -55C to +150C
TC1030 ELECTRICAL SPECIFICATIONS
Electrical Characteristics: Typical values apply at 25C and VDD = 3.0V; TA = -40 to +85C, and VDD = 1.8V to 5.5V, unless otherwise specified. Symbol VDD VIH VIL ISI Op Amps IQ Supply Current, Operating -- 20 32 A All Outputs Open, SHDNB = VDD, SHDNC/D = VDD SHDNB = VSS, SHDNC/D = VSS SHDNB = VSS, SHDNC/D = VSS SHDNB = VSS, SHDNC/D = VSS RL = 10k to V SS RL = 10k to V SS RL = 10k, VDD = 5V VDD = 1.8V to 5.5V; VO = VDD to VSS VDD = 3V, VCM = 1.5V, TA = 25C, TA = -40C to 85C TA = 25C; VCM = VDD to VSS VDD = 3V; VCM = 1.5V Parameter Supply Voltage Input High Threshold Input Low Threshold Shutdown Input Current, SHDNB or SHDNC/D Min 1.8 80% VDD -- -- Typ -- -- -- -- Max 5.5 -- 20% VDD 100 Units V V V nA Test Conditions
Shutdown Inputs
ISHDN
Supply Current Shutdown Mode
-- 20 -- -- -- -- -- VSS - 0.2
6 -- -- 15 20 100 90 -- 100 0.3
10 -- 5 -- -- -- -- VDD + 0.2 500 1.5 100 -- --
A
M pF
ROUT(SD) Output Resistance in Shutdown COUT(SD) Out Capacitance in Shutdown TSEL TDESEL AVOL GBWP VICMR VOS IB Select Time (VOUT from SHDNB, SHDNC/D) = VIL Deselect Time (VOUT from SHDNB, SHDNC/D) = VIL Large Signal Voltage Gain Gain-Bandwidth Product Common Mode Input Voltage Range Input Offset Voltage Input Bias Current
sec
nsec V/mV kHz V
V
mV pA
-100 -- --
50 4 35
VOS(DRIFT) Input Offset Voltage Drift SR Slew Rate
V/C
mV/sec CL = 100pF; RL = 1 M to GND, Gain = 1 VIN = VSS to VDD V dB dB RL = 10k TA = 25C; VDD = 5V; VCM = VDD to VSS TA = 25C; VCM = VSS; VDD = 1.8V to 5V
VOUT CMRR PSRR
Output Signal Swing Common Mode Rejection Ratio Power Supply Rejection Ratio
VSS + 0.05 70 80
-- -- --
VDD - 0.05 -- --
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DS21341B-page 2
2002 Microchip Technology Inc.
TC1030
TC1030 ELECTRICAL SPECIFICATIONS
Electrical Characteristics: Typical values apply at 25C and VDD = 3.0V; TA = -40 to +85C, and VDD = 1.8V to 5.5V, unless otherwise specified. Symbol ISRC Parameter Output Source Current Min 3 Typ -- Max -- Units mA Test Conditions VIN + = VDD, VIN- = VSS Output Shorted to VSS VDD = 1.8V; Gain = 1 VIN + = VSS, VIN- = VDD Output Shorted to VDD VDD = 1.8V; Gain = 1 0.1Hz to 10Hz
ISINK
DC Output Sink Current
4
--
--
mA
En en
Input Noise Voltage Input Noise Voltage Density
-- --
10 125
-- --
Vpp
nV/HZ 1kHz
2002 Microchip Technology Inc.
DS21341B-page 3
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TC1030
2.0 PIN DESCRIPTION
The description of the pins are listed in Table 2-1.
TABLE 2-1:
Pin No. (16-Pin QSOP) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
PIN FUNCTION TABLE
Symbol OUTA INAINA+ VDD INB+ INBOUTB SHDNB SHDNC/D OUTC INCINC+ VSS IND+ INDOUTD Description Op amp output. Op amp inverting input. Op amp non-inverting input. Positive supply voltage. Op amp non-inverting input. Op amp inverting input. Op amp output. Shutdown op amp B. Shutdown op amps C and D. Op amp output. Op amp inverting input. Op amp non-inverting input. Negative supply voltage. Op amp non-inverting input. Op amp inverting input. Op amp output.
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DS21341B-page 4
2002 Microchip Technology Inc.
TC1030
3.0 DETAILED DESCRIPTION 4.0 TYPICAL APPLICATIONS
The TC1030 is one of a series of very low power, linear building block products targeted at low voltage, single supply applications. The TC1030 minimum operating voltage is 1.8V, and maximum supply current is only 32A (fully enabled). It combines four op amps in a single package. Microchip's op amps are internally compensated to be unity-gain stable and have a typical gain bandwidth product of 90kHz with typical slew rates of 35V/msec. The amplifier's input range extends beyond both supplies by 200mV and the outputs will swing to within several millivolts of the supplies depending on the load current being driven. Two shutdown mode pins are incorporated for easy adaptation to system power management schemes. In this state, the shutdown pins allow the user to power on one, two, three, or all four op amps (see Table 4-1). Pin SHDNB can be used to disable op amp B and pin SHDNC/D to disable op amps C and D. Op amp A is always powered on regardless of the states of the shutdown pins. When both shutdown pins are low, the total quiescent current of the TC1030 is only 6A, typical. Input offset voltage is 500V max at 25C with an input bias current of less than 100pA. This makes the TC1030 extremely suitable for precision, low power applications. The TC1030 lends itself to a wide variety of applications, particularly in battery-powered systems. It typically finds application in power management, process supervisory and interface circuitry.
4.1
Voice Band Receive Filter
The majority of spectral energy for human voices is found to be in a 2.7kHz frequency band from 300Hz to 3kHz. To properly recover a voice signal in applications such as radios, cellular phones and voice pagers a lowpower bandpass filter that is matched to the human voice spectrum can be implemented using Microchip's CMOS op amps. Figure 4-1 shows a unity gain multipole Butterworth filter with ripple less than 0.15dB in the human voice band. The lower 3dB cut-off frequency is 70Hz (single order response) while the upper cut-off frequency is 3.5kHz (fourth order response).
4.2
Supervisory Audio Tone (SAT) Filter for Cellular
Supervisory Audio Tones (SAT) provide a reliable transmission path between cellular subscriber units and base stations. The SAT tone functions much like the current/voltage used in land line telephone systems to indicate that a phone is off the hook. The SAT tone may be one of three frequencies: 5970, 6000 or 6030Hz. A loss of SAT implies that channel conditions are impaired and if SAT is interrupted for more than 5 seconds a cellular call is terminated. Figure 4-2 shows a high Q (30) second order SAT detection bandpass filter using Microchip's CMOS op amp architecture. This circuit nulls all frequencies except the three SAT tones of interest.
TABLE 4-1:
SHDNC/D VIL VIL VIH VIH
TC1030 SHUTDOWN POWER CONTROL LOGIC
SHDNB VIL VIH VIL VIH OP AMPS ENABLED A A,B A,C,D A,B,C,D OP AMPS DISABLED B,C,D C,D B None MAX. DEVICE SUPPLY CURRENT 10A 16A 24A 32A
2002 Microchip Technology Inc.
DS21341B-page 5
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TC1030
FIGURE 4-1: MULTI-POLE BUTTERWORTH VOICE BAND RECEIVE FILTER
Gain = 0dB Fch = 3.5kHz -24dB/Octave Fcl = 70Hz +6dB/Octave Passband Ripple < 0.15dB 750pF 0.1F 22.6k VDD /2 VOUT + - 22.6k 1/4
TC1030
VIN 21.0k 21.0k
6800pF
VDD 21.0k + 1/4
2400pF
470pF
-
FIGURE 4-2:
SECOND ORDER SAT BANDPASS FILTER
Gain = 0dB Q = 30 Q = FC BW (3dB) FC = 6kHz VDD 24.3k .036F 1/4 - VOUT .036F 48.7k
VIN
TC1030
+ 11.2 VDD/2 VDD/2
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DS21341B-page 6
2002 Microchip Technology Inc.
TC1030
5.0
Note:
TYPICAL CHARACTERISTICS
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.
Op Amp Supply Voltage vs. Supply Current
28 26 SHDNB = VDD SHDNC/D = VDD 28 26
Op Amp Supply Current vs. Temperature
Op Amp Power Supply Rejection Ratio (PSRR) vs. Frequency
0 -10 -20 V V
IN = PP
SUPPLY CURRENT (A)
SUPPLY CURRENT (A)
24 22 20 18 16 14 12 0 1 3 4 5 2 SUPPLY VOLTAGE (V) 6 7
24
PSRR (dB)
22 20 18 VDD = 3V 16 14 12 -40 -20
VDD = 5.5V
-30 -40 -50 -60 -70
VDD = 1.8V
0 20 40 60 TEMPERATURE (C)
80
100
1K
10K
100K
FREQUENCY (Hz)
Op Amp DC Open-Loop Gain vs. Supply Voltage
140 DC OPEN-LOOP GAIN (dB) 120 100 2000 80 1500 60 40 20 0 0.0 1000 500 3000
Op Amp DC Open-Loop Gain vs. Temperature
50 45 OUTPUT CURRENT (mA) 2500 40 35 30 25 20 15 10 5 25C TEMPERATURE (C) 85C
Op Amp Short-Circuit Current vs. Supply Voltage
ISINK
1.0
2.0
3.0
4.0
5.0
6.0
0 -40C
0 0.0
1.0
SUPPLY VOLTAGE (V)
2.0 3.0 4.0 5.0 SUPPLY VOLTAGE (V)
6.0
0 OUTPUT CURRENT (mA) -5 -10 RLOAD (k)
1000 10% Overshoot
V V
INPUT VOLTAGE (mV)
Op Amp Short-Circuit Current vs. Supply Voltage
Op Amp Load Resistance vs. Load Capacitance
= 1.5V
Op Amp Small-Signal Transient Response
100 50 0
100
Region of Marginal Stability
-15 -20 -25 -30 -35 0.0 ISRC
OUTPUT VOLTAGE (mV)
10
Region of Stable Operation
100 50 0 10 20 30 40 50 60 70 80 90 TIME (sec)
1 1.0 2.0 3.0 4.0 5.0 SUPPLY VOLTAGE (V) 6.0 0 250 500 750 1000 12501500 1750 2000
2002 Microchip Technology Inc.
DS21341B-page 7
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TC1030
5.0
INPUT VOLTAGE (mV)
TYPICAL CHARACTERISTICS (CONTINUED)
Op Amp Large-Signal Transient Response
6 4 2 0 6 4 2 0 10 20 30 40 50 60 70 80 90 TIME (sec)
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DS21341B-page 8
2002 Microchip Technology Inc.
TC1030
6.0
6.1
PACKAGING INFORMATION
Package Marking Information
Package marking data not available at this time.
6.2
Taping Form
Component Taping Orientation for 16-Pin QSOP (Narrow) Devices
User Direction of Feed
PIN 1
W
P Standard Reel Component Orientation for TR Suffix Device
Carrier Tape, Reel Size, Number of Components Per Reel and Reel Size
Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size
16-Pin QSOP (N)
12 mm
8 mm
2500
13 in
6.3
Package Dimensions
16-Pin QSOP (Narrow)
PIN 1
.157 (3.99) .150 (3.81) .244 (6.20) .228 (5.80)
.196 (4.98) .189 (4.80)
.010 (0.25) .004 (0.10) .069 (1.75) .053 (1.35) 8 MAX. .050 (1.27) .016 (0.41) Dimensions: inches (mm)
.010 (0.25) .007 (0.19)
.025 (0.635) TYP.
.012 (0.31) .008 (0.21)
2002 Microchip Technology Inc.
DS21341B-page 9
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TC1030
NOTES:
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DS21341B-page 10
2002 Microchip Technology Inc.
TC1030
Sales and Support
Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following: 1. 2. 3. Your local Microchip sales office The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277 The Microchip Worldwide Site (www.microchip.com)
Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products.
2002 Microchip Technology Inc.
DS21341B-page11
TC1030
NOTES:
DS21341B-page12
2002 Microchip Technology Inc.
TC1030
Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchip's products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights.
Trademarks The Microchip name and logo, the Microchip logo, FilterLab, KEELOQ, microID, MPLAB, PIC, PICmicro, PICMASTER, PICSTART, PRO MATE, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. dsPIC, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP, ICEPIC, microPort, Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM, MXDEV, PICC, PICDEM, PICDEM.net, rfPIC, Select Mode and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. Serialized Quick Turn Programming (SQTP) is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. (c) 2002, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received QS-9000 quality system certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona in July 1999 and Mountain View, California in March 2002. The Company's quality system processes and procedures are QS-9000 compliant for its PICmicro (R) 8-bit MCUs, KEELOQ(R) code hopping devices, Serial EEPROMs, microperipherals, non-volatile memory and analog products. In addition, Microchip's quality system for the design and manufacture of development systems is ISO 9001 certified.
2002 Microchip Technology Inc.
DS21341B-page 13
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DS21341B-page 14
2002 Microchip Technology Inc.
*B14312SD*

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