MAX4092 Maxim, MAX4092 Datasheet

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MAX4092

Manufacturer Part Number
MAX4092
Description
The single MAX4091, dual MAX4092, and quad MAX4094 operational amplifiers combine excellent DC accuracy with rail-to-rail operation at the input and output
Manufacturer
Maxim
Datasheet

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0
The single MAX4091, dual MAX4092, and quad
MAX4094 operational amplifiers combine excellent DC
accuracy with Rail-to-Rail
output. Since the common-mode voltage extends from
V
gle supply (2.7V to 6V) or split supplies (±1.35V to
±3V). Each op amp requires less than 130µA of supply
current. Even with this low current, the op amps are
capable of driving a 1kΩ load, and the input-referred
voltage noise is only 12nV/√Hz. In addition, these op
amps can drive loads in excess of 2000pF.
The precision performance of the MAX4091/MAX4092/
MAX4094 combined with their wide input and output
dynamic range, low-voltage, single-supply operation,
and very low supply current, make them an ideal
choice for battery-operated equipment, industrial, and
data acquisition and control applications. In addition,
the MAX4091 is available in space-saving 5-pin SOT23,
8-pin µMAX, and 8-pin SO packages. The MAX4092 is
available in 8-pin µMAX and SO packages, and the
MAX4094 is available in 14-pin TSSOP and 14-pin SO
packages.
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.
19-2272; Rev 0; 1/02
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Beyond-the-Rails is a trademark of Maxim Integrated Products, Inc.
________________________Applications
CC
N.C.
IN+
V
IN-
EE
TOP VIEW
to V
1
2
3
4
Portable Equipment
Battery-Powered Instruments
Data Acquisition and Control
Low-Voltage Signal Conditioning
Single/Dual/Quad, Micropower, Single-Supply,
EE
µMAX/SO
, the devices can operate from either a sin-
MAX4091
________________________________________________________________ Maxim Integrated Products
8
7
6
5
General Description
N.C.
V
OUT
N.C.
CC
®
operation at the input and
OUT
V
IN+
EE
1
2
3
SOT23
MAX4091
5
4
4
Pin Configurations/Functional Diagrams
V
IN-
CC
OUT1
IN1+
IN1-
V
EE
o Low-Voltage, Single-Supply Operation (2.7V to 6V)
o Beyond-the-Rails™ Inputs
o No Phase Reversal for Overdriven Inputs
o 30µV Offset Voltage
o Rail-to-Rail Output Swing with 1kΩ Load
o Unity-Gain Stable with 2000pF Load
o 165µA (max) Quiescent Current Per Op Amp
o 500kHz Gain-Bandwidth Product
o High Voltage Gain (115dB)
o High Common-Mode Rejection Ratio (90dB) and
o Temperature Range (-40°C to +125°C)
MAX4091AUK-T
MAX4091ASA
MAX4091AUA
MAX4092ASA
MAX4092AUA
MAX4094AUD
MAX4094ASD
1
2
3
4
Power-Supply Rejection Ratio (100dB)
Rail-to-Rail Op Amps
PART
µMAX/SO
MAX4092
8
7
6
5
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
TEMP RANGE
V
OUT2
IN2-
IN2+
CC
Ordering Information
OUT1
OUT2
IN1+
IN2+
IN1-
IN2-
V
CC
1
2
3
4
5
6
7
TSSOP/SO
MAX4094
PIN-PACKAGE
5 SOT23-5
8 SO
8 µMAX
8 SO
8 µMAX
14 TSSOP
14 SO
Features
14
13
12
11
10
9
8
OUT4
IN4-
IN4+
V
IN3+
IN3-
OUT3
EE
1

Related parts for MAX4092

MAX4092 Summary of contents

Page 1

... In addition, the MAX4091 is available in space-saving 5-pin SOT23, 8-pin µMAX, and 8-pin SO packages. The MAX4092 is available in 8-pin µMAX and SO packages, and the MAX4094 is available in 14-pin TSSOP and 14-pin SO packages. ...

Page 2

... SOT23 (derate 7.1mW/°C above +70°C)...........571mW 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 ...

Page 3

... R = 10kΩ 15pF OUT P 0.1%, 2V step step / 1kHz (MAX4092/MAX4094 / OUT CC A MIN MAX CONDITIONS V Inferred from PSRR test ...

Page 4

Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps ( +25°C, unless otherwise noted GAIN AND PHASE vs. FREQUENCY MAX4091 toc01 80 180 A = 1000 V NO LOAD 60 120 GAIN 60 ...

Page 5

Single/Dual/Quad, Micropower, Single-Supply 5V +25°C, unless otherwise noted SUPPLY CURRENT PER AMPLIFIER vs. TEMPERATURE 220 OUT CM CC 200 180 ...

Page 6

... Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps ( +25°C, unless otherwise noted MAXIMUM OUTPUT VOLTAGE vs. TEMPERATURE 200 180 160 140 V = 2.7V 120 100 6V 100k 2.7V 100k -60 ...

Page 7

... LARGE-SIGNAL TRANSIENT RESPONSE MAX4091 toc28 10kΩ 2V/div V OUT 2V/div 20µs/div PIN MAX4091 MAX4091 MAX4092 SOT23 SO/µMAX 1 6 — — — — — — — ...

Page 8

... This rail-to-rail swing at the input and the output substantially increases the dynamic range, especially in low-supply-voltage applications. Figure 1 shows the input and output waveforms for the MAX4092, config- ured as a unity-gain noninverting buffer operating from a single 3V supply. The input signal is 3.0V sinusoid centered at 1 ...

Page 9

... ICs for periods of time. For example, when using a MAX4092 to buffer the inputs of a multi-channel analog- to-digital converter (ADC), much of the circuitry could be powered down between data samples to increase battery life ...

Page 10

... Noninverting Configuration 10 ______________________________________________________________________________________ Test Circuits/Timing Diagrams Figure 2a. Reducing Offset Error Due to Bias Current: Inverting Configuration IN+ V OUT R2 R1 IN– Figure 3. Input Stage Protection Circuitry OUT MAX409_ MAX4091 MAX4092 MAX4094 TO INTERNAL 1.7kΩ CIRCUITRY TO INTERNAL 1.7kΩ CIRCUITRY ...

Page 11

... Rail-to-Rail Op Amps Test Circuits/Timing Diagrams (continued OUT 100 Figure 5. MAX4092 Voltage Follower with 1000pF Load Figure 6b. MAX4092 Voltage Follower with 500pF Load (R = 20kΩ ∞ 50mV/div V OUT 50mV/div 10µs/div R = 20kΩ ...

Page 12

... Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps = ∞ 50mV/div V OUT 50mV/div 10µs/div Figure 6c. MAX4092 Voltage Follower with 500pF Load = ∞ 50mV/div V OUT 50mV/div 10µs/div Figure 8a. Driving a 5000pF Capacitive Load 12 ______________________________________________________________________________________ Test Circuits/Timing Diagrams (continued) MAX409_ V IN Figure 7 ...

Page 13

Single/Dual/Quad, Micropower, Single-Supply 1kΩ MAX409_ 3 1kΩ Figure 9. Power-Up Test Configuration Figure 10b. Power-Up Settling Time (V ______________________________________________________________________________________ Rail-to-Rail Op Amps Test Circuits/Timing Diagrams (continued OUT 4 500mV/div Figure 10a. Power-Up Settling ...

Page 14

Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps 14 ______________________________________________________________________________________ Package Information ...

Page 15

Single/Dual/Quad, Micropower, Single-Supply, ______________________________________________________________________________________ Rail-to-Rail Op Amps Package Information (continued) 15 ...

Page 16

... Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps 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. 16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © ...

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