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Precision op amps (Vos<1mV)

OPA177

ACTIVE

Precision Operational Amplifier

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Data sheet

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Drop-in replacement with upgraded functionality to the compared device.
OPA277 ACTIVE Dual, 36-V, 10µV offset, 0.1µV/˚C drift, bipolar, operational amplifier Next generation performance upgrade with higher speed and improved DC precision at lower power

OPA177

ACTIVE
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Product details

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 6 Vos (offset voltage at 25°C) (max) (mV) 0.025 Offset drift (typ) (µV/°C) 0.1 Input bias current (max) (pA) 2000 GBW (typ) (MHz) 0.6 Slew rate (typ) (V/µs) 0.3 Rail-to-rail No Iq per channel (typ) (mA) 1.3 Vn at 1 kHz (typ) (nV√Hz) 7.5 CMRR (typ) (dB) 140 Rating Catalog Operating temperature range (°C) -40 to 85 Iout (typ) (A) 0.022 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 1 Input common mode headroom (to positive supply) (typ) (V) -1 Output swing headroom (to negative supply) (typ) (V) 1 Output swing headroom (to positive supply) (typ) (V) -1
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 6 Vos (offset voltage at 25°C) (max) (mV) 0.025 Offset drift (typ) (µV/°C) 0.1 Input bias current (max) (pA) 2000 GBW (typ) (MHz) 0.6 Slew rate (typ) (V/µs) 0.3 Rail-to-rail No Iq per channel (typ) (mA) 1.3 Vn at 1 kHz (typ) (nV√Hz) 7.5 CMRR (typ) (dB) 140 Rating Catalog Operating temperature range (°C) -40 to 85 Iout (typ) (A) 0.022 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 1 Input common mode headroom (to positive supply) (typ) (V) -1 Output swing headroom (to negative supply) (typ) (V) 1 Output swing headroom (to positive supply) (typ) (V) -1
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) PDIP (P) 8 92.5083 mm² (9.81 mm × 9.43 mm)
  • Low offset voltage: 25 µV (max)
  • Low offset voltage drift: 0.3 µV/°C (max)
  • High open-loop gain: 134 dB (min)
  • Low quiescent current: 1.3 mA (typ)
  • Low input bias ±2 nA (max)
  • Wide supply voltage range: 6 V to 36 V
  • Replaces industry-standard op amps: OP-07, OP-77, OP-177, AD707, and more
  • For improved performance with ±40-V overvoltage protection, see the OPA206
  • Low offset voltage: 25 µV (max)
  • Low offset voltage drift: 0.3 µV/°C (max)
  • High open-loop gain: 134 dB (min)
  • Low quiescent current: 1.3 mA (typ)
  • Low input bias ±2 nA (max)
  • Wide supply voltage range: 6 V to 36 V
  • Replaces industry-standard op amps: OP-07, OP-77, OP-177, AD707, and more
  • For improved performance with ±40-V overvoltage protection, see the OPA206

The OPA177 precision bipolar op amp feature very low offset voltage and drift. Laser-trimmed offset, drift and input bias current virtually eliminate the need for costly external trimming. High performance and low cost make these devices an excellent choice for a wide range of precision instrumentation.

The low quiescent current of the OPA177 dramatically reduces warm-up drift and errors due to thermoelectric effects in input interconnections. The OPA177 provides an effective alternative to chopper-stabilized amplifiers. The low noise of the OPA177 helps maintain maximum signal integrity.

OPA177 performance grade-outs are available. Packaging options include 8-pin plastic DIP and SO-8 surface-mount packages.

The OPA177 precision bipolar op amp feature very low offset voltage and drift. Laser-trimmed offset, drift and input bias current virtually eliminate the need for costly external trimming. High performance and low cost make these devices an excellent choice for a wide range of precision instrumentation.

The low quiescent current of the OPA177 dramatically reduces warm-up drift and errors due to thermoelectric effects in input interconnections. The OPA177 provides an effective alternative to chopper-stabilized amplifiers. The low noise of the OPA177 helps maintain maximum signal integrity.

OPA177 performance grade-outs are available. Packaging options include 8-pin plastic DIP and SO-8 surface-mount packages.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet OPA177 0.1-μV/°C Offset Drift, 10-μV Offset, Low-Noise, Bipolar Operational Amplifier datasheet (Rev. A) PDF | HTML Sep 28, 2023
E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML Mar 28, 2017
Application note Boost Instrument Amp CMR With Common-Mode Driven Supplies Sep 27, 2000

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

AMP-PDK-EVM — Amplifier performance development kit evaluation module

The amplifier performance development kit (PDK) is an evaluation module (EVM) kit to test common operational amplifier (op amp) parameters and is compatible with most op amps and comparators. The EVM kit offers a main board with several socketed daughtercard options to fit package needs, allowing (...)

User guide: PDF | HTML
Supported products & hardware
Simulation model

OPA177 PSpice Model (Rev. B)

SBOM044B.ZIP (75 KB) - PSpice model
Supported products & hardware
Simulation model

OPA177 TINA-TI Reference Design (Rev. B)

SBOC187B.TSC (103 KB) - TINA-TI reference design
Supported products & hardware
Simulation model

OPA177 TINA-TI Spice Model (Rev. A)

SBOM266A.ZIP (3 KB) - TINA-TI Spice model
Supported products & hardware
Calculation tool

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)

Supported products & hardware
Calculation tool

OPAMP-NOISECALC — Noise Calculator

This folder contains three tools to help in understandning and managing noise in cicuits. The included tools are:

  • A noise generator tool - This is a Lab View 4-Run Time executable that generates Gaussian white noise, uniform white noise, 1/f noise, short noise, and 60Hz line noise. Temporal data, (...)
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SOIC (D) 8 Ultra Librarian
PDIP (P) 8 Ultra Librarian
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