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19-1089; Rev 3; 3/03
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps
General Description
The MAX4130-MAX4134 family of operational amplifiers combines 10MHz gain-bandwidth product and excellent DC accuracy with Rail-to-Rail(R) operation at the inputs and outputs. These devices require only 900A per amplifier, and operate from either a single supply (+2.7V to +6.5V) or dual supplies (1.35V to 3.25V) with a common-mode voltage range that extends 250mV beyond VEE and VCC. They are capable of driving 250 loads and are unity-gain stable. In addition, the MAX4131/ MAX4133 feature a shutdown mode in which the outputs are placed in a high-impedance state and the supply current is reduced to only 25A per amplifier. With their rail-to-rail input common-mode range and output swing, the MAX4130-MAX4134 are ideal for lowvoltage, single-supply operation. Although the minimum operating voltage is specified at 2.7V, the devices typically operate down to 1.8V. In addition, low offset voltage and high speed make them the ideal signalconditioning stages for precision, low-voltage dataacquisition systems. The MAX4130 is offered in the space-saving 5-pin SOT23 package. The MAX4131 is offered in the ultra-small 6-bump, 1mm x 1.5mm chipscale package (UCSPTM). o 6-Bump UCSP (MAX4131) o +2.7V to +6.5V Single-Supply Operation o Rail-to-Rail Input Common-Mode Voltage Range o Rail-to-Rail Output Voltage Swing o 10MHz Gain-Bandwidth Product o 900A Quiescent Current per Amplifier o 25A Shutdown Function (MAX4131/MAX4133) o 200V Offset Voltage o No Phase Reversal for Overdriven Inputs o Drive 250 Loads o Stable with 160pF Capacitive Loads o Unity-Gain Stable
Features
MAX4130-MAX4134
Ordering Information
PART MAX4130EUK-T MAX4131C/D MAX4131EBT-T MAX4131EUA MAX4131ESA TEMP RANGE -40C to +85C 0C to +70C -40C to +85C -40C to +85C -40C to +85C PINPACKAGE 5 SOT23-5 Dice* 6 UCSP-6 8 MAX 8 SO TOP MARK AABB -- AAX -- --
Selector Guide
PART MAX4130 MAX4131 MAX4132 MAX4133 MAX4134 AMPS PER PACKAGE 1 1 2 2 4 SHUTDOWN MODE -- Yes -- Yes -- PINPACKAGE 5 SOT23 6 UCSP, 8 MAX/SO 8 MAX/SO 14 SO 14 SO
*Dice are specified at TA = +25C. DC parameters only. Ordering Information continued at end of data sheet.
Typical Operating Circuit
+3V
________________________Applications
Battery-Powered Instruments Portable Equipment Data-Acquisition Systems Signal Conditioning Low-Power, Low-Voltage Applications
7 CS GND 5 SERIAL INTERFACE 3 6 8 SHDN DOUT SCLK MAX147 VDD AIN VREF 1 2 MAX4131 4
Pin Configurations appear at end of data sheet. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. UCSP is a trademark of Maxim Integrated Products, Inc. ________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply Rail-to-Rail I/O Op Amps MAX4130-MAX4134
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC - VEE) ...................................................7.5V IN+, IN-, SHDN Voltage ...................(VCC + 0.3V) to (VEE - 0.3V) Output Short-Circuit Duration (Note 1).......................Continuous (short to either supply) Continuous Power Dissipation (TA = +70C) 5-Pin SOT23 (derate 7.1mW/C above +70C)............571mW 6-Bump UCSP (derate 2.9mW/C above +70C).........308mW 8-Pin SO (derate 5.88mW/C above +70C)................471mW 8-Pin MAX (derate 4.10mW/C above +70C) ...........330mW 14-Pin SO (derate 8.00mW/C above +70C)..............640mW Operating Temperature Range MAX413_E__ ...................................................-40C to +85C Maximum Junction Temperature .....................................+150C Storage Temperature Range .............................-65C to +160C Lead Temperature (soldering, 10s) .................................+300C Bump Reflow Temperature .........................................+235C
Note 1: Provided that the maximum package power-dissipation rating is not exceeded.
Stresses beyond 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 beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(V CC = +2.7V to +6.5V, VEE = 0V, V CM = 0V, V OUT = V CC/2, R L tied to V CC/2, SHDN 2V (or open), T A = +25C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MAX4130EUK MAX4131ESA MAX4131EUA/ MAX4131EBT Input Offset Voltage VOS VCM = VEE to VCC MAX4132ESA/ MAX4133ESD MAX4132EUA MAX4134ESD Input Bias Current Input Offset Current Differential Input Voltage Common-Mode Input Voltage Range IB IOS RIN CMVR MAX4130EUK MAX4131ESA VEE - 0.25V < VCM < VCC + 0.25V MAX4131EUA/ MAX4131EBT MAX4132ESA/ MAX4133ESD MAX4132EUA MAX4134ESD Power-Supply Rejection Ratio Output Resistance Off-Leakage Current PSRR ROUT ILKG VCC = 2.7V to 6.5V AV = 1 SHDN < 0.8V, VOUT = 0V to VCC VCM = VEE to VCC VCM = VEE to VCC -1.5V < VDIFF < 1.5V VEE 0.25 67 78 68 74 66 64 78 90 98 88 dB 94 86 84 100 0.1 0.1 1 dB A MAX4131EBT All other packages 500 VCC 0.25 MIN TYP 0.35 0.20 0.35 0.25 0.40 0.35 50 MAX 1.50 0.60 1.20 mV 0.75 1.50 1.50 150 15 12 nA nA k V UNITS
Common-Mode Rejection Ratio
CMRR
2
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Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply Rail-to-Rail I/O Op Amps
DC ELECTRICAL CHARACTERISTICS (continued)
(V CC = +2.7V to +6.5V, VEE = 0V, V CM = 0V, V OUT = V CC/2, R L tied to V CC/2, SHDN 2V (or open), T A = +25C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS VOUT = 0.25V to 2.45V, RL = 100k VOUT = 0.4V to 2.3V, RL = 250 VOUT = 0.25V to 4.75V, RL = 100k VOUT = 0.4V to 4.6V, RL = 250 RL = 100k RL = 250 Output Voltage Swing VO MAX4132/ MAX4133/ MAX4134 Output Short-Circuit Current SHDN Logic Threshold SHDN Input Current Operating Supply Voltage Range Supply Current per Amplifier Shutdown Supply Current per Amplifier ISC VIL VIH IIL VCC ICC VCM = VOUT = VCC/2 SHDN > 0.8V, MAX4131- MAX4134 VCC = 2.7V VCC = 5V VCC = 2.7V VCC = 5V MAX4131-MAX4134 MAX4131-MAX4134 2.7 900 1000 25 40 Low High 2.0 1 3 6.5 1050 1150 40 A 60 RL = 100k RL = 250 VCC - VOH VOL - VEE VCC - VOH VOL - VEE VCC - VOH VOL - VEE VCC - VOH VOL - VEE MIN 92 72 94 75 TYP 108 82 dB 108 86 12 20 240 125 15 25 280 180 50 0.8 20 35 290 170 30 40 330 230 mA V A V A mV MAX UNITS
MAX4130-MAX4134
VCC = 2.7V Large-Signal Voltage Gain AV VCC = 5V
MAX4130/ MAX4131
ISHDN
DC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +6.5V, VEE = 0V, VCM = 0V, VOUT = VCC/2, RL tied to VCC/2, SHDN 2V (or open), TA = -40C to +85C, unless otherwise noted.) (Note 2)
PARAMETER SYMBOL CONDITIONS MAX4130EUK MAX4131ESA Input Offset Voltage VOS VCM = VEE to MAX4131EUA/MAX4131EBT VCC MAX4132ESA/MAX4133ESD MAX4132EUA MAX4134ESD Input Offset Voltage Tempco Input Bias Current TCVOS IB VCM = VEE to VCC 2 160 MIN TYP MAX 3.50 0.75 4.40 0.95 4.70 4.00 V/C nA mV UNITS
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3
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply Rail-to-Rail I/O Op Amps MAX4130-MAX4134
DC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +6.5V, VEE = 0V, VCM = 0V, VOUT = VCC/2, RL tied to VCC/2, SHDN 2V (or open), TA = -40C to +85C, unless otherwise noted.) (Note 2)
PARAMETER Input Offset Current Common-Mode Input Voltage Range SYMBOL IOS CMVR MAX4130EUK MAX4131ESA Common-Mode Rejection Ratio CMRR VEE - 0.2V < VCM < VCC + 0.2V MAX4131EUA/MAX4131EBT MAX4132ESA/MAX4133ESD MAX4132EUA MAX4134ESD Power-Supply Rejection Ratio Off-Leakage Current PSRR ILKG VCC = 2.7V to 6.5V SHDN < 0.8V, VOUT = 0V to VCC VOUT = 0.25V to 2.45V, RL = 100k VOUT = 0.4V to 2.3V, RL = 250 VOUT = 0.25V to 4.75V, RL = 100k VOUT = 0.4V to 4.6V, RL = 250 RL = 100k RL = 250 RL = 100k Output Voltage Swing VO MAX4131EBT RL = 250 MAX4132/ MAX4133/ MAX4134 RL = 100k RL = 250 VCC - VOH VOL - VEE VCC - VOH VOL - VEE VCC - VOH VOL - VEE VCC - VOH VOL - VEE VCC - VOH VOL - VEE VCC - VOH VOL - VEE 84 66 dB 86 68 25 40 300 190 25 40 350 190 35 50 350 250 mV CONDITIONS VCM = VEE to VCC MAX4131EBT All other packages VEE 0.20 62 76 60 74 58 60 74 12 dB A dB MIN TYP MAX 24 18 VCC 0.20 UNITS nA V
VCC = 2.7V Large-Signal Voltage Gain AV VCC = 5V
MAX4130/ MAX4131ESA/ MAX4131EUA
4
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Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply Rail-to-Rail I/O Op Amps
DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = +2.7V to +6.5V, VEE = 0V, VCM = 0V, VOUT = VCC/2, RL tied to VCC/2, SHDN 2V (or open), TA = -40C to +85C, unless otherwise noted.) (Note 2)
PARAMETER SHDN Logic Threshold SHDN Input Current Operating Supply Voltage Range SYMBOL VIL VIH IIL VCC MAX4131EBT Supply Current per Amplifier ICC VCM = VOUT = VCC/2 All other devices VCC = 2.7V VCC = 5V VCC = 2.7V VCC = 5V VCC = 2.7V VCC = 5V CONDITIONS MAX4131-MAX4134 MAX4131-MAX4134 2.7 Low High 2.0 3 6.5 1200 1350 1100 1200 50 70 A A MIN TYP MAX 0.8 UNITS V A V
MAX4130-MAX4134
Shutdown Supply Current per Amplifier
ISHDN
SHDN > 0.8V, MAX4131-MAX4134
Note 2: All devices are 100% tested at TA = +25C. MAX4130EUK/MAX4131EBT temperature limits are guaranteed by design.
AC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +6.5V, VEE = 0V, SHDN 2V (or open), TA = +25C, unless otherwise noted.)
PARAMETER Gain-Bandwidth Product Phase Margin Gain Margin Total Harmonic Distortion Slew Rate Settling Time to 0.01% Turn-On Time SHDN Delay Input Capacitance Input Noise-Voltage Density Input Noise-Current Density Capacitive-Load Stability CIN en in CL f = 1kHz f = 1kHz AV = 1 SYMBOL GBWP M GM THD SR tS tON AV = 1, VOUT = 2V step VCC = 0V to 3V step, VOUT = VCC/2 MAX4131-MAX4134, VCC = 3V, VOUT = VCC/2 Enable Disable f = 10kHz, VOUT = 2VP-P (AV = 1) CONDITIONS MIN TYP 10 62 12 0.003 4 2.0 1 1 0.2 3 22 0.4 160 MAX UNITS MHz Degrees dB % V/s s s s pF nV/Hz pA/Hz pF
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5
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps MAX4130-MAX4134
Typical Operating Characteristics
(VCC = +5V, VEE = 0V, VCM = VCC / 2, TA = +25C, unless otherwise noted.)
GAIN AND PHASE vs. FREQUENCY
60 AV = +1000 NO LOAD
MAX4130/34-01
GAIN AND PHASE vs. FREQUENCY (WITH CLOAD)
180 144 60 AV = +1000 RL = CL = 160pF GAIN
POWER-SUPPLY REJECTION vs. FREQUENCY
144 108 72 36 0 PHASE (DEGREES) 0 -20 PSR (dB) -40 -60 -80 -100 10 100 1k 10k 100k 1M 10M 100M AV = +1
MAX4130/34-03
MAX4130/34-02
180
40 GAIN (dB)
GAIN
108 72 PHASE (DEGREES) GAIN (dB)
40
20
36 0
20
0
PHASE
-36 -72
0 PHASE -20
-36 -72
-20
-108 -144
-108 -144
-40 100
1k
10k
100k
1M
10M
-180 100M
-40 100
1k
10k
100k
1M
10M
-180 100M
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
OUTPUT IMPEDANCE vs. FREQUENCY
MAX4130/34-05
SUPPLY CURRENT PER AMPLIFIER vs. TEMPERATURE
MAX4130/34-06
SHUTDOWN SUPPLY CURRENT vs. TEMPERATURE
45 SUPPLY CURRENT (A) 40 35 30 25 20 15 10 VCC = +2.7V VCC = +6.5V
MAX4130/34-07
100 AV = +1 OUTPUT IMPEDANCE ()
1150 1100 SUPPLY CURRENT (A) 1050 1000 950 900 850 VCC = +2.7V VCC = +6.5V
50
10
1
0.10
5 0 -40 -25 -10 5 20 35 50 65 80 95 -40 -25 -10 5 20 35 50 65 80 95 TEMPERATURE (C) TEMPERATURE (C)
0.01 100 1k 10k 100k 1M 10M 100M FREQUENCY (Hz)
800
OUTPUT LEAKAGE CURRENT vs. TEMPERATURE
MAX4130/34-08
INPUT BIAS CURRENT vs. COMMON-MODE VOLTAGE
MAX4130/34-10
INPUT BIAS CURRENT vs. TEMPERATURE
MAX4130/34-11
20 15 LEAKAGE CURRENT (A) 10 5 0 -5 -10
AV = +1 SHDN = 0V VCC = +6.5V VCC = +2.7V
40 30 INPUT BIAS CURRENT (nA) 20 10 0 -10 -20 -30 -40 -50 -60 VCC = +2.7V VCC = +6.5V
60 40 20 0 -20 VCC = +2.7V, VCM = VEE -40 VCC = +6.5V, VCM = VEE -60 VCC = +6.5V, VCM = VCC
VOUT SHORT TO VEE
INPUT BIAS CURRENT (nA)
VCC = +2.7V, VCM = VCC
VOUT SHORT TO VCC
VCC = +6.5V VCC = +2.7V 20 35 50 65 80 95
-40 -25 -10
5
0
1
2
3
4
5
6
-40 -25 -10
5
20 35 50 65
80 95
TEMPERATURE (C)
COMMON-MODE VOLTAGE (V)
TEMPERATURE (C)
6
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Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps
Typical Operating Characteristics (continued)
(VCC = +5V, VEE = 0V, VCM = VCC / 2, TA = +25C, unless otherwise noted.)
INPUT OFFSET VOLTAGE vs. TEMPERATURE
MAX4130/34-09
MAX4130-MAX4134
MINIMUM OPERATING VOLTAGE vs. TEMPERATURE
MAX4130/34-21
COMMON-MODE REJECTION vs. TEMPERATURE
COMMON-MODE REJECTION (dB) 115 110 105 100 95 90 85 80 VCM = 0.3V TO 5.3V VCM = 0.2V TO 5.2V
MAX4130/34-12
3.00 2.25 1.50 VOLTAGE (mV) 0.75 0 -0.75 -1.50 -2.25 -3.00 -40 -25 -10 5 20 35 50 65 SO PACKAGE SOT23 PACKAGE
1.9 MINIMUM OPERATING VOLTAGE (V) 1.8 1.7 1.6 1.5 1.4 1.3 1.2 -40 -25 -10 5 20 35 50 65
120 VCM = 0V TO 5.0V
80 95
80 95
-40 -25 -10
5
20 35 50 65
80 95
TEMPERATURE (C)
TEMPERATURE (C)
TEMPERATURE (C)
LARGE-SIGNAL GAIN vs. OUTPUT VOLTAGE
MAX4130/34-19
LARGE-SIGNAL GAIN vs. OUTPUT VOLTAGE
MAX4130/34-16
LARGE-SIGNAL GAIN vs. OUTPUT VOLTAGE
115 110 105 GAIN (dB) VCC = +2.7V RL TO VCC RL = 100k RL = 10k
MAX4130/34-18 MAX4130/34-20
120 115 110 105 GAIN (dB) 100 95 90 85 80 75 70 0 100 200 300 400 500 VCC = +6.5V RL TO VCC RL = 100k RL = 10k
130 120 110 GAIN (dB)
120
VCC = +6.5V RL TO VEE
RL = 2k RL = 500
RL = 100k 100 90 80 70 RL = 10k RL = 2k
100 95 90 85 80 75 70
RL = 2k
RL = 500
RL = 500
600
0
100
200
300
400
500
600
0
100
200
300
400
500
600
OUTPUT VOLTAGE: EITHER SUPPLY (mV)
OUTPUT VOLTAGE: EITHER SUPPLY (mV)
OUTPUT VOLTAGE: EITHER SUPPLY (mV)
LARGE-SIGNAL GAIN vs. OUTPUT VOLTAGE
VCC = +2.7V RL TO VEE
MAX4130/34-15
LARGE-SIGNAL GAIN vs. TEMPERATURE
115 110 VCC = +6.5V, RL TO VEE GAIN (dB) VOUT(P-P) = VCC -1V RL = 500
MAX4130/34-17
LARGE-SIGNAL GAIN vs. TEMPERATURE
130 125 120 115 110 105 100 95 90 RL = 100k VOUT(P-P) = VCC - 0.6V -40 -25 -10 5 20 35 50 65 80 95 VCC = +2.7V, RL TO VCC OR VEE VCC = +6.5V, RL TO VCC OR VEE
120 110 100 GAIN (dB) 90 80
120
RL = 500 RL = 2k RL = 10k
GAIN (dB)
RL = 100k
105 100 95 90 VCC = +2.7V, RL TO VEE VCC = +6.5V, RL TO VCC VCC = +2.7V, RL TO VCC -40 -25 -10 5 20 35 50 65 80 95
70 60 0 100 200 300 400 500 600 OUTPUT VOLTAGE: EITHER SUPPLY (mV)
85 80
85 TEMPERATURE (C)
TEMPERATURE (C)
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7
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps MAX4130-MAX4134
Typical Operating Characteristics (continued)
(VCC = +5V, VEE = 0V, VCM = VCC / 2, TA = +25C, unless otherwise noted.)
MINIMUM OUTPUT VOLTAGE vs. TEMPERATURE
MAX4130/34-13
MAXIMUM OUTPUT VOLTAGE vs. TEMPERATURE
RL TO VEE 250 VCC - VOUT (mV) 200 150 100 50 0 -40 -25 -10 5 20 35 50 65 80 95 TEMPERATURE (C) VCC = +6.5V, RL = 100k (TOP) VCC = +2.7V, RL = 100k (BOTTOM) VCC = +2.7V, RL = 500
MAX4130/34-14
TOTAL HARMONIC DISTORTION AND NOISE vs. FREQUENCY
2Vp-p SIGNAL 500kHz LOWPASS FILTER RL = 10k TO VCC / 2
MAX4130/34-22A
160 RL TO VCC 140 120 VOUT - VEE (mV) 100 80 60 40 20 0 -40 -25 -10 5 VCC = +6.5V, RL = 100k VCC = +2.7V, RL = 100k 20 35 50 65 VCC = +2.7V, RL = 500 VCC = +6.5V, RL = 500
300 VCC = +6.5V, RL = 500
0.030 0.025 THD AND NOISE (%) 0.020 0.015 0.010 0.005 0 10 100 1k 10k FREQUENCY (Hz)
80 95
100k
TEMPERATURE (C)
TOTAL HARMONIC DISTORTION AND NOISE vs. PEAK-TO-PEAK SIGNAL AMPLITUDE
MAX4130/34-23
CHANNEL SEPARATION vs. FREQUENCY
MAX4130/34-25a
MAX4131 SMALL-SIGNAL TRANSIENT RESPONSE (NONINVERTING)
AV = +1
MAX4130/34-24
0.1
CHANNEL SEPARATION (dB)
120 110 100 90 80
RL = 250 0.01 RL = 2k RL = 10k RL = 100k
VOLTAGE (50mV/div)
AV = +1 10kHz SINE WAVE RL TO VCC / 2 500kHz LOWPASS FILTER
140 VS = +5V 130
THD + NOISE (%)
IN
OUT
0.001 4.0 4.2 4.4 4.6 4.8 5.0 PEAK-TO-PEAK SIGNAL AMPLITUDE (V)
1k
10k
100k FREQUENCY (Hz)
1M
10M
TIME (200ns/div)
MAX4131 SMALL-SIGNAL TRANSIENT RESPONSE (INVERTING)
MAX4130/34-25
MAX4131 LARGE-SIGNAL TRANSIENT RESPONSE (NONINVERTING)
MAX4130/34-26
MAX4131 LARGE-SIGNAL TRANSIENT RESPONSE (INVERTING)
AV = -1
MAX4130/34-27
AV = -1
AV = +1
VOLTAGE (50mV/div)
VOLTAGE (2V/div)
VOLTAGE (2V/div)
IN
IN
IN
OUT
OUT
OUT
TIME (200ns/div)
TIME (2s/div)
TIME (2s/div)
8
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Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps
Pin Description
PIN MAX4130 1 2 3 4 5 -- MAX4131 SO/MAX UCSP 6 A2 4 3 2 7 1, 5 A1 B1 B2 A3 -- MAX4132 -- 4 -- -- 8 -- MAX4133 -- 4 -- -- 14 5, 7, 8, 10 MAX4134 -- 11 -- -- 4 -- NAME OUT VEE IN+ INVCC N.C. Output Negative Supply. Connect to GND for single-supply operation. Noninverting Input Inverting Input Positive Supply No Connection. Not internally connected. Shutdown Control. Connect to VCC or leave floating to enable amplifier. FUNCTION
MAX4130-MAX4134
-- -- -- --
8 -- -- --
B3 -- -- --
-- 1, 7 2, 6 3, 5 1, 13 2, 12 3, 11
-- 1, 7 2, 6 3, 5
SHDN
OUT1, OUT2 Outputs for Amps 1 and 2 IN1-, IN2IN1+, IN2+ Inverting Inputs for Amps 1 and 2 Noninverting Inputs for Amps 1 and 2 Shutdown Control. Provides independent shutdown control for amps 1 and 2. Connect to VCC or leave floating to enable amplifiers. Outputs for Amps 3 and 4 Inverting Inputs for Amps 3 and 4 Noninverting Inputs for Amps 3 and 4
--
--
--
--
6, 9
--
SHDN1, SHDN2
-- -- --
-- -- --
-- -- --
-- -- --
-- -- --
8, 14 9, 13 10, 12
OUT3, OUT4 IN3-, IN4IN3+, IN4+
MAX4130 MAX4131 MAX4132 MAX4133 MAX4134 R3 R3
MAX4130 MAX4131 MAX4132 MAX4133 MAX4134
R3 = R1
R2
R3 = R1
R2
R1
R2
R1
R2
Figure 1a. Reducing Offset Error Due to Bias Current (Noninverting)
Figure 1b. Reducing Offset Error Due to Bias Current (Inverting) 9
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Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps MAX4130-MAX4134
Applications Information
Rail-to-Rail Input Stage
Devices in the MAX4130-MAX4134 family of highspeed amplifiers have rail-to-rail input and output stages designed for low-voltage, single-supply operation. The input stage consists of separate NPN and PNP differential stages that combine to provide an input common-mode range that extends 0.2V beyond the supply rails. The PNP stage is active for input voltages close to the negative rail, and the NPN stage is active for input voltages near the positive rail. The input offset voltage is typically below 200V. The switchover transition region, which occurs near VCC / 2, has been extended to minimize the slight degradation in common-mode rejection ratio caused by the mismatch of the input pairs. Their low offset voltage, high bandwidth, and rail-to-rail common-mode range make these op amps excellent choices for precision, low-voltage data-acquisition systems. Since the input stage switches between the NPN and PNP pairs, the input bias current changes polarity as the input voltage passes through the transition region. Reduce the offset error caused by input bias currents flowing through external source impedances by matching the effective impedance seen by each input (Figures 1a, 1b). High source impedances, together with input capacitance, can create a parasitic pole that produces an underdamped signal response. Reducing the input impedance or placing a small (2pF to 10pF) capacitor across the feedback resistor improves response. The MAX4130-MAX4134s' inputs are protected from large differential input voltages by 1k series resistors and back-to-back triple diodes across the inputs (Figure 2). For differential input voltages less than 1.8V, input resistance is typically 500k. For differential input voltages greater than 1.8V, input resistance is approximately 2k. The input bias current is given by the following equation: IBIAS = VDIFF - 1.8V 2k
1k
1k
Figure 2. Input Protection Circuit 10 ______________________________________________________________________________________
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps
Rail-to-Rail Output Stage
The minimum output voltage is within millivolts of ground for single-supply operation where the load is referenced to ground (VEE). Figure 3 shows the input voltage range and output voltage swing of a MAX4131 connected as a voltage follower. With a +3V supply and the load tied to ground, the output swings from 0.00V to 2.90V. The maximum output voltage swing depends on the load, but will be within 150mV of a +3V supply, even with the maximum load (500 to ground). Driving a capacitive load can cause instability in most high-speed op amps, especially those with low quiescent current. The MAX4130-MAX4134 have a high tolerance for capacitive loads. They are stable with capacitive loads up to 160pF. Figure 4 gives the stable operating region for capacitive loads. Figures 5 and 6 show the response with capacitive loads and the results of adding an isolation resistor in series with the output (Figure 7). The resistor improves the circuit's phase margin by isolating the load capacitor from the op amp's output.
MAX4130-MAX4134
VCC = 3V, RL = 10k to VEE LOAD CAPACITANCE (pF)
500 450 400 350 300 250 200 150 100 50 RL TO VEE VOUT = VCC/2 0.1 1 STABLE OPERATING REGION 10 100 UNSTABLE OPERATING REGION
VOLTAGE (1V/div)
IN
OUT
TIME (1s/div)
0 LOAD RESISTANCE (k)
Figure 3. Rail-to-Rail Input/Output Voltage Range
Figure 4. Capacitive-Load Stability
VOLTAGE (50mV/div)
OUT
VOLTAGE (50mV/div)
IN
VCC = 5V RL = 10k CL = 130pF
VCC = 5V CL = 1000pF RS = 39 IN
OUT
TIME (200ns/div)
TIME (500ns/div)
Figure 5. MAX4131 Small-Signal Transient Response with Capacitive Load
Figure 6. MAX4131 Transient Response to Capacitive Load with Isolation Resistor 11
______________________________________________________________________________________
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps MAX4130-MAX4134
Power-Up and Shutdown Mode
The MAX4130-MAX4134 amplifiers typically settle within 1s after power-up. Figures 9 and 10 show the output voltage and supply current on power-up, using the test circuit of Figure 8. The MAX4131 and MAX4133 have a shutdown option. When the shutdown pin (SHDN) is pulled low, the supply current drops below 25A per amplifier and the amplifiers are disabled with the outputs in a highimpedance state. Pulling SHDN high or leaving it floating enables the amplifier. In the dual-amplifier MAX4133, the shutdown functions operate independently. Figures 11 and 12 show the output voltage and supply current responses of the MAX4131 to a shutdown pulse, using the test circuit of Figure 8.
VCC 0V TO 2.7V STEP FOR POWER-UP TEST; 2.7V FOR SHUTDOWN ENABLE TEST
*0.1F
2k
OUT
RS
SHDN 0V TO 2.7V STEP FOR SHUTDOWN TEST 2k 10 SUPPLY-CURRENT MONITORING POINT
CL
10k
*FOR SHUTDOWN TEST ONLY.
Figure 7. Capacitive-Load Driving Circuit
Figure 8. Power-Up/Shutdown Test Circuit
VCC VOLTAGE (1V/div)
VCC (1V/div)
OUT
IEE (500A/div)
TIME (5s/div)
TIME (5s/div)
Figure 9. Power-Up Output Voltage 12
Figure 10. Power-Up Supply Current
______________________________________________________________________________________
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps MAX4130-MAX4134
SHDN VOLTAGE (1V/div)
SHDN 1V/div
OUT
SUPPLY CURRENT 500A/div
TIME (1s/div)
TIME (1s/div)
Figure 11. Shutdown Output Voltage
Figure 12. Shutdown Enable/Disable Supply Current
Power Supplies and Layout
The MAX4130-MAX4134 operate from a single +2.7V to +6.5V power supply, or from dual supplies of 1.35V to 3.25V. For single-supply operation, bypass the power supply with a 0.1F ceramic capacitor in parallel with at least 1F. For dual supplies, bypass each supply to ground. Good layout improves performance by decreasing the amount of stray capacitance at the op amp's inputs and outputs. Decrease stray capacitance by placing external components close to the op amp's pins, minimizing trace lengths and resistor leads.
UCSP Applications Information
For the latest application details on UCSP construction, dimensions, tape carrier information, PC board techniques, bump-pad layout, and the recommended reflow temperature profile, as well as the latest information on reliability testing results, go to Maxim's website at www.maxim-ic.com/ucsp and search for the Application Note: UCSP-A Wafer-Level Chip-Scale Package.
______________________________________________________________________________________
13
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps MAX4130-MAX4134
__________________________________________________________Pin Configurations
TOP VIEW
TOP VIEW BUMPS ON BOTTOM
OUT 1
5
VCC
IN+
B1
A1
VEE
VEE 2
MAX4130
IN-
B2
A2
OUT
MAX4131
IN+ 3 4 INSHDN B3 A3 VCC
SOT23
UCSP
N.C. 1 IN1- 2 IN1+ 3 VEE 4
8
SHDN VCC OUT N.C.
OUT1 1 IN1- 2 IN1+ 3 VEE 4
8
VCC OUT2 IN2IN2+
MAX4131
7 6 5
MAX4132
7 6 5
SO/MAX
SO/MAX
OUT1 1 IN1- 2 IN1+ 3 VEE 4 N.C. 5 SHDN1 6 N.C. 7
14 VCC 13 OUT2 12 IN2-
OUT1 1 IN1- 2 IN1+ 3 VCC 4 IN2+ 5 IN2- 6 OUT2 7
14 OUT4 13 IN412 IN4+
MAX4133
11 IN2+ 10 N.C. 9 8 SHDN2 N.C.
MAX4134
11 VEE 10 IN3+ 9 8 IN3OUT3
SO
SO
14
______________________________________________________________________________________
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps
Ordering Information (continued)
PART MAX4132ESA MAX4132EUA MAX4133C/D MAX4133ESD MAX4134ESD TEMP RANGE -40C to +85C -40C to +85C 0C to +70C -40C to +85C -40C to +85C PINPACKAGE 8 SO 8 MAX Dice* 14 SO 14 SO TOP MARK -- -- -- -- --
Chip Information
MAX4130 TRANSISTOR COUNT: 170 MAX4131 TRANSISTOR COUNT: 170 MAX4132 TRANSISTOR COUNT: 340 MAX4134 TRANSISTOR COUNT: 680
MAX4130-MAX4134
*Dice are specified at TA = +25C, DC parameters only.
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
PACKAGE OUTLINE, SOT-23, 5L
21-0057
E
1 1
______________________________________________________________________________________
SOT-23 5L .EPS
15
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps MAX4130-MAX4134
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
SOT23, 8L .EPS
REV.
SEE DETAIL "A" b
C L
e
SYMBOL A A1 A2 b C D E E1 L L2 e e1
MIN 0.90 0.00 0.90 0.28 0.09 2.80 2.60 1.50 0.30
MAX 1.45 0.15 1.30 0.45 0.20 3.00 3.00 1.75 0.60 0.25 BSC. 0.65 BSC. 1.95 REF.
C L
E
C L
E1
PIN 1 I.D. DOT (SEE NOTE 6) e1 D C
C L
0
0
8
L2 A A2 A1
SEATING PLANE C
GAUGE PLANE
L
0
NOTE:
1. ALL DIMENSIONS ARE IN MILLIMETERS. 2. FOOT LENGTH MEASURED FROM LEAD TIP TO UPPER RADIUS OF HEEL OF THE LEAD PARALLEL TO SEATING PLANE C. 3. PACKAGE OUTLINE EXCLUSIVE OF MOLD FLASH & METAL BURR. 4. PACKAGE OUTLINE INCLUSIVE OF SOLDER PLATING. 5. COPLANARITY 4 MILS. MAX. 6. PIN 1 I.D. DOT IS 0.3 MM MIN. LOCATED ABOVE PIN 1. 7. SOLDER THICKNESS MEASURED AT FLAT SECTION OF LEAD BETWEEN 0.08mm AND 0.15mm FROM LEAD TIP. 8. MEETS JEDEC MO178.
PROPRIETARY INFORMATION TITLE:
DETAIL "A"
PACKAGE OUTLINE, SOT-23, 8L BODY
APPROVAL DOCUMENT CONTROL NO.
21-0078
1 1
D
16
______________________________________________________________________________________
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
6L, UCSP.EPS
MAX4130-MAX4134
PACKAGE OUTLINE, 3x2 UCSP 21-0097 G
1 1
______________________________________________________________________________________
17
Single/Dual/Quad, Wide-Bandwidth, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps MAX4130-MAX4134
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
SOICN .EPS
INCHES DIM A A1 B C e E H L MAX MIN 0.069 0.053 0.010 0.004 0.014 0.019 0.007 0.010 0.050 BSC 0.150 0.157 0.228 0.244 0.016 0.050
MILLIMETERS MAX MIN 1.35 1.75 0.10 0.25 0.35 0.49 0.19 0.25 1.27 BSC 3.80 4.00 5.80 6.20 0.40 1.27
N
E
H
VARIATIONS:
1
INCHES
MILLIMETERS MIN 4.80 8.55 9.80 MAX 5.00 8.75 10.00 N MS012 8 AA 14 AB 16 AC
TOP VIEW
DIM D D D
MIN 0.189 0.337 0.386
MAX 0.197 0.344 0.394
D C
A e B A1
0 -8 L
FRONT VIEW
SIDE VIEW
PROPRIETARY INFORMATION TITLE:
PACKAGE OUTLINE, .150" SOIC
APPROVAL DOCUMENT CONTROL NO. REV.
21-0041
B
1 1
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
18 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 (c) 2003 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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