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19-1224; Rev 3; 1/0 7
High-Output-Drive, Precision, Low-Power, Single-
Supply, Rail-to-Rail I/O Op Amps with Shutdown
General Description
The MAX4165–MAX4169 family of operational amplifiers
combines excellent DC accuracy with high output current
drive, single-supply operation, and rail-to-rail inputs and
outputs. These devices operate from a single +2.7V to
+6.5V supply, or from dual ±1.35V to ±3.25V supplies.
They typically draw 1.2mA supply current, and are guar-
anteed to deliver 80mA output current.
The MAX4166/MAX4168 have a shutdown mode that
reduces supply current to 38µA per amplifier and
places the outputs into a high-impedance state. The
MAX4165–MAX4169’s precision performance com-
bined with high output current, wide input/output
dynamic range, single-supply operation, and low power
consumption makes them ideal for portable audio
applications and other low-voltage, battery-powered
systems. The MAX4165 is available in the space-saving
5-pin SOT23 package and the MAX4166 is available in
a tiny 2mm x 2mm x 0.8mm µDFN package.
Selector Guide
PART
MAX4165
MAX4166
MAX4167
MAX4168
MAX4169
AMPS PER
PACKAGE
Single
Single
Dual
Dual
Quad
SHUTDOWN
MODE
Yes
Yes
Applications
Portable/Battery-Powered Audio Applications
Portable Headphone Speaker Drivers
Laptop/Notebook Computers
Sound Ports/Cards
Set-Top Boxes
Cell Phones
Hands-Free Car Phones (kits)
Signal Conditioning
Digital-to-Analog Converter Buffers
Transformer/Line Drivers
Motor Drivers
Typical Operating Circuit appears at end of data sheet.
Features
80mA (min) Output Drive Capability
Rail-to-Rail Input Common-Mode Voltage Range
Rail-to-Rail Output Voltage Swing
1.2mA Supply Current per Amplifier
+2.7V to +6.5V Single-Supply Operation
5MHz Gain-Bandwidth Product
250µV Offset Voltage
120dB Voltage Gain (RL = 100kΩ1)
88dB Power-Supply Rejection Ratio
No Phase Reversal for Overdriven Inputs
Unity-Gain Stable for Capacitive Loads to 250pF
Low-Power Shutdown Mode:
Reduces Supply Current to 38µA Places
Outputs in High-Impedance State
Available in 5-Pin SOT23 Package (MAX4165) or
2mm x 2mm x 0.8mm µDFN (MAX4166)
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
MAX4165EUK-T -40°C to +85°C 5 SOT23-5
MAX4166EPA -40°C to +85°C 8 Plastic DIP
MAX4166ESA -40°C to +85°C 8 SO
MAX4166EUA -40°C to +85°C 8 µMAX
MAX4166ELA+T -40°C to +85°C 8 µDFN-8
+Denotes lead-free package.
Ordering Information continued on last page.
TOP
MARK
AABY
AAG
TOP VIEW
Pin Configurations
OUT 1
5 VCC
MAX4165
VEE 2
IN+ 3
4 IN-
SOT23-5
Pin Configurations continued at end of data sheet.
________________________________________________________________ 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.

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High-Output-Drive, Precision, Low-Power, Single-
Supply, Rail-to-Rail I/O Op Amps with Shutdown
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC to VEE) ....................................................7V
IN_+, IN_-, SHDN_............................(VEE - 0.3V) + (VCC + 0.3V)
OUT_ (shutdown mode) ...................(VEE - 0.3V) + (VCC + 0.3V)
Output Short-Circuit Duration to VCC or VEE (Note 1) .....Continuous
Continuous Power Dissipation (TA = +70°C)
5-Pin SOT23 (derate 7.10mW/°C above +70°C)..........571mW
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ...727mW
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
8-Pin µMAX (derate 4.10mW/°C above +70°C) ...........330mW
Note 1: Continuous power dissipation should also be observed.
8-Pin µDFN (derate 4.8mW/°C above +70°C) .............380mW
10-Pin µMAX (derate 5.60mW/°C above +70°C) ..........444mW
14-Pin Plastic DIP (derate 10.00mW/°C above +70°C) 800mW
14-Pin SO (derate 8.33mW/°C above +70°C)...............667mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
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
(VCC = +2.7V to +6.5V, VEE = 0V, VCM = 0V, VOUT = (VCC / 2), RL = 100kΩ to (VCC / 2), VSHDN 2V, TA = +25°C, unless otherwise
noted.)
PARAMETER
Input Offset Voltage
Input Bias Current
Input Offset Current
Differential Input Resistance
Common-Mode Input
Voltage Range
Common-Mode
Rejection Ratio
Power-Supply Rejection Ratio
Output Resistance
Off-Leakage Current
in Shutdown
Large-Signal Voltage Gain
SYMBOL
VOS
IB
IOS
RIN(DIFF)
VCM
CMRR
PSRR
ROUT
IOUT(SHDN)
AVOL
CONDITIONS
MIN TYP
MAX416_EPA/EPD
0.25
MAX416_ESA/ESD
0.25
VCM = VEE to VCC
MAX416_EUA/EUB/ELA
0.35
MAX416_EUK
0.35
MAX4169E_D
0.25
VCM = VEE to VCC
±50
VCM = VEE to VCC
| VIN+ - VIN- | 1.8V
| VIN+ - VIN- | > 1.8V
±1
500
2
MAX
0.85
0.85
1.7
1.5
1.0
±150
±15
Inferred from CMRR test
VEE - 0.25
VCC + 0.25
VEE - 0.25V <
VCM < (VCC + 0.25V)
VCC = 2.7V to 6.5V
AVCL = +1V/V
MAX416_EPA/EPD
MAX416_ESA/ESD
MAX416_EUA/EUB/ELA
MAX416_EUK
MAX4169E_D
MAX416_EPA/EPD
MAX416_ESA/ESD
MAX416_EUA/EUB/ELA
MAX416_EUK
MAX4169E_D
72
72
62
63
71
72
72
72
72
70
93
93
89
90
93
88
88
86
86
88
0.1
VSHDN < 0.8V, VOUT = 0V to VCC
±0.001
±2
VCC = 5V
VOUT = 0.2V to 4.8V, RL = 100kΩ
VOUT = 0.6V to 4.4V, RL = 25Ω
95
71
120
83
UNITS
mV
nA
nA
kΩ
V
dB
dB
kΩ
μA
dB
2 _______________________________________________________________________________________

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High-Output-Drive, Precision, Low-Power, Single-
Supply, Rail-to-Rail I/O Op Amps with Shutdown
DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = +2.7V to +6.5V, VEE = 0V, VCM = 0V, VOUT = (VCC / 2), RL = 100kΩ to (VCC / 2), V SHDN 2V, TA = +25°C, unless otherwise
noted.)
PARAMETER
Output Voltage Swing
Output Source/Sink Current
(Note 2)
SHDN Logic Threshold
(Note 3)
SHDN Input Bias Current
Operating Supply-Voltage
Range
Quiescent Supply Current
(per Amplifier)
Shutdown Supply Current
(per Amplifier)
SYMBOL
VOUT
VCC = 5V
CONDITIONS
RL = 100kΩ
RL = 25Ω
VCC - VOH
VOL - VEE
VCC - VOH
VOL - VEE
MIN
TYP MAX
15 30
10 25
340 430
160 350
VOUT = 0.6V to (VCC - 0.6V)
±80 ±125
VIL Shutdown mode
VIH Normal mode
VEE < V S HDN < VCC
0.8
2.0
±3.0
VCC Inferred from PSRR test
2.7 6.5
ICC
VCC = 5V
VCC = 3V
ICC(SHDN) V S HDN < 0.8V
VCC = 5V
VCC = 3V
1.3 1.5
1.2 1.4
58 75
38 49
UNITS
mV
mA
V
µA
V
mA
µA
DC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +6.5V, VEE = 0V, VCM = 0V, VOUT = (VCC / 2), RL = 100kΩ to (VCC / 2), V SHDN 2V, TA = -40°C to +85°C, unless
otherwise noted.) (Note 4)
PARAMETER
Input Offset Voltage
Offset-Voltage Tempco
Input Bias Current
Input Offset Current
Common-Mode Input
Voltage Range
Common-Mode
Rejection Ratio
Power-Supply Rejection Ratio
SYMBOL
VOS
ΔVOS/ΔT
IB
IOS
VCM
CMRR
PSRR
CONDITIONS
MIN TYP
MAX416_EPA/EPD
MAX416_ESA/ESD
VCM = VEE to VCC
MAX416_EUA/EUB/ELA
MAX416_EUK
MAX4169E_D
±3
VCM = VEE to VCC
VCM = VEE to VCC
MAX
1.0
1.0
4.9
4.3
1.2
±225
±21
UNITS
mV
µV/°C
nA
nA
Inferred from CMRR test
VEE - 0.15
VCC + 0.15
V
VEE - 0.15V < VCM <
(VCC + 0.15V)
VCC = 2.7V to 6.5V
MAX416_EPA/EPD
MAX416_ESA/ESD
MAX416_EUA/EUB/ELA
MAX416_EUK
MAX4169E_D
MAX416_EPA/EPD
MAX416_ESA/ESD
MAX416_EUA/EUB/ELA
MAX416_EUK
MAX4169E_D
71
71
56 dB
57
69
67
67
65 dB
65
66
_______________________________________________________________________________________ 3

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High-Output-Drive, Precision, Low-Power, Single-
Supply, Rail-to-Rail I/O Op Amps with Shutdown
DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = +2.7V to +6.5V, VEE = 0V, VCM = 0V, VOUT = (VCC / 2), RL = 100kto (VCC / 2), V SHDN 2V, TA = -40°C to +85°C, unless
otherwise noted.)
PARAMETER
Off-Leakage Current
in Shutdown
Large-Signal Voltage Gain
Output Voltage Swing
Output Source/Sink Current
(Note 2)
SHDN Logic Threshold
(Note 3)
SHDN Input Bias Current
Operating Supply-Voltage
Range
Quiescent Supply Current
(per Amplifier)
Shutdown Supply Current
(per Amplifier)
SYMBOL
CONDITIONS
MIN
IOUT(SHDN) VSHDN < 0.8V, VOUT = 0V to VCC
AVOL
VOUT
VCC = 5V
VCC = 5V
VOUT = 0.2V to 4.8V, RL = 100k
VOUT = 0.6V to 4.4V, RL = 25
RL = 100k
VCC - VOH
VOL - VEE
RL = 25
VCC - VOH
VOL - VEE
90
66
VOUT = 0.6V to (VCC - 0.6V)
±80
VIL Shutdown mode
VIH Normal mode
VEE < V S HDN < VCC
2.0
VCC
ICC
ICC(SHDN)
Inferred from PSRR test
VCC = 5V
VCC = 3V
V S HDN < 0.8V
2.7
VCC = 5V
VCC = 3V
TYP
MAX
±5
UNITS
µA
40
30
490
400
0.8
±3.5
6.5
1.7
1.6
82
54
dB
mV
mA
V
µA
V
mA
µA
Note 2: Although the minimum output current is guaranteed to be ±80mA, exercise caution to ensure that the absolute maximum
power-dissipation rating of the package is not exceeded.
Note 3: SHDN logic thresholds are referenced to VEE.
Note 4: The MAX4165EUK is 100% tested at +25°C. All temperature limits are guaranteed by design.
AC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +6.5V, VEE = 0V, VCM = 0V, VOUT = (VCC / 2), RL = 2.5kto (VCC / 2), V SHDN 2V, CL = 15pF, TA = +25°C, unless
otherwise noted.)
PARAMETER
Gain-Bandwidth Product
Full-Power Bandwidth
Slew Rate
Phase Margin
Gain Margin
Total Harmonic Distortion
Settling Time to 0.01%
Input Capacitance
Input Voltage-Noise Density
Input Current-Noise Density
Channel-to-Channel Isolation
Capacitive Load Stability
Shutdown Time
Enable Time from Shutdown
Power-Up Time
SYMBOL
GBWP
FPBW
SR
PM
GM
THD
tS
CIN
en
in
t S HDN
tENABLE
tON
CONDITIONS
VOUT = 4Vp-p, VCC = 5V
f = 10kHz, VOUT = 2Vp-p, AVCL = +1V/V
AVCL = +1V/V, 2V step
f = 1kHz
f = 1kHz
f = 1kHz, RL = 100k(MAX4167–MAX4169)
AVCL = +1V/V, no sustained oscillations
MIN TYP MAX UNITS
5 MHz
260 kHz
2 V/µs
68 degrees
21 dB
0.005
%
2.1 µs
3 pF
26 nV/Hz
0.4 pA/Hz
125 dB
250 pF
1 µs
1 µs
5 µs
4 _______________________________________________________________________________________

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High-Output-Drive, Precision, Low-Power, Single-
Supply, Rail-to-Rail I/O Op Amps with Shutdown
__________________________________________Typical Operating Characteristics
(VCC = +5.0V, VEE = 0V, RL = 100k, TA = +25°C, unless otherwise noted.)
GAIN AND PHASE vs. FREQUENCY
70 MAX4165-01 216
60 AVCL = +1000V/V 180
50 144
40 108
30 72
20 36
10 0
0 -36
-10 -72
-20 -108
-30
100
1k 10k 100k 1M
FREQUENCY (Hz)
-144
10M
OUTPUT IMPEDANCE vs. FREQUENCY
1000
100
10
1
0.1
1
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
GAIN AND PHASE vs. FREQUENCY
(CL = 250pF)
70 MAX4165-02 216
60
AVCL = +1000V/V
CL = 250pF
180
50 144
40 108
30 72
20 36
10 0
0 -36
-10 -72
-20 -108
-30
100
1k 10k 100k 1M
FREQUENCY (Hz)
-144
10M
SUPPLY CURRENT PER AMPLIFIER
vs. TEMPERATURE
1.6
VCC = +6.5V
1.4
1.2
1.0 VCC = +2.7V
0.8
0.6
0.4
0.2
0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
10
0 AVCL = +1
-10
-20
-30
-40
-50
-60
-70
-80
-90
100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
SHUTDOWN SUPPLY CURRENT
PER AMPLIFIER vs. TEMPERATURE
80
70 VCC = +6.5V
60
50
40
30 VCC = +2.7V
20
10
0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
INPUT BIAS CURRENT
vs. COMMON-MODE VOLTAGE
80
60
VCC = +2.7V
40
VCC = +6.5V
20
0
-20
-40
-60
0
12345 6
COMMON-MODE VOLTAGE (V)
7
INPUT BIAS CURRENT
vs. TEMPERATURE
80
60
40
VCC = +2.7V, VCM = VCC
20 VCC = +6.5V, VCM = VCC
0
VCC = +2.7V, VCM = VEE
-20 VCC = +6.5V, VCM = VEE
-40
-60
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
2.25
1.75
1.25
0.75
0.25
-0.25
-0.75
-1.25
-1.75
-2.25
-40
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
SOT23-5
PACKAGE
SO PACKAGE
-20 0 20 40 60
TEMPERATURE (°C)
80
_______________________________________________________________________________________ 5