MAX4091ASA
Analog Devices Inc./Maxim IntegratedUnited States

MAX4091ASA

ObsoleteInstrumentation, OP Amps, Buffer Amps8 SO

IC OPAMP GP 1 CIRCUIT 8SOIC

MAX4091ASA is a single-channel, micropower, single-supply rail-to-rail operational amplifier with 2.7V to 6V supply voltage, max 165µA quiescent current, 500kHz gain-bandwidth product, in an 8-pin SO package, operating from -40°C to +125°C.Checked against the datasheet

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Technical parameters

Key specs

Supply voltage2.7 ~ 6 V
Gain bandwidth product500 kHzTyp
Input offset voltage30 µVTyp · ±3.5mV (Max) at VCM=VEE to VCC
Quiescent current165 µAMax · 200μA (Max) at VCC=2.7V，225μA (Max) at VCC=5V
Channels1

Datasheet-verified parameters

21 items
ParameterValue and test conditionsSource
Supply Voltage Range2.7V to 6.0V (Min 2.7V, Max 6.0V)
Gain-Bandwidth Product500kHz
Input Offset Voltage30µV (Typ), ±3.5mV (Max) at VCM=VEE to VCC
Quiescent Current165µA (Max) per Op Amp; 200µA (Max) at VCC=2.7V; 225µA (Max) at VCC=5V
Channels1
Package8 SO
Operating Temperature-40°C to +125°C
Absolute Maximum Rating - Supply Voltage7V (VCC to VEE)
Absolute Maximum Rating - Junction Temperature+150°C
Input Common-Mode RangeVEE - 0.05V to VCC + 0.05V
Common-Mode Rejection Ratio62dB (Min), 90dB (Typ)
Power-Supply Rejection Ratio80dB (Min), 100dB (Typ)
Large-Signal Voltage Gain115dB (Typ)
Output Voltage Swing High75mV (Max) with RL=100kΩ; 250mV (Max) with RL=1kΩ
Output Voltage Swing Low75mV (Max) with RL=100kΩ; 250mV (Max) with RL=1kΩ
Input Bias Current±200nA (Max)
Input Offset Current±20nA (Max)
Input-Noise Voltage Density12nV/√Hz (Typ) at f=10kHz
Capacitive-Load Stability2000pF (Typ) at AV=1
Settling Time12µs (Typ) to 0.1%, 2V step
Total Harmonic Distortion Plus Noise0.003% (Typ) at f=1kHz, RL=10kΩ, CL=15pF, AV=1, VOUT=2VP-P
All parameters (19)ExpandCollapse
Power
Current - Input Bias20 nA
Current - Supply130µA
Voltage - Supply Span (Max)6 V
Voltage - Supply Span (Min)2.7 V
AC and DC characteristics
Gain Bandwidth Product500 kHz
Slew Rate0.2V/µs
Voltage - Input Offset30 µV
Environment and package
Mounting TypeSurface Mount
Operating Temperature-40°C ~ 125°C
PackageTube
Package / Case8-SOIC (0.154", 3.90mm Width)
Supplier Device Package8-SOIC
Other
Amplifier TypeGeneral Purpose
Base Product NumberMAX4091
MfrAnalog Devices Inc./Maxim Integrated
Number of Circuits1
Output TypeRail-to-Rail
Product StatusObsolete
SeriesBeyond-the-Rails™

Pinout and package

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Package: 8 SO
PinNameFunctionSource
1N.C.(No Connection)
2IN-(Inverting Input)
3IN+(Noninverting Input)
4VEE(Negative Supply)
5N.C.(No Connection)
6OUT(Amplifier Output)
7VCC(Positive Supply)
8N.C.(No Connection)

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DatasheetDatasheet · 514.9 KB · 2026-10-29
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