• OPA2277PA PDIP-8


Op Amp Dual Low Offset Voltage Amplifier ±18V 8-Pin PDIP Tube


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  • Part Number : OPA2277PA

  • Package/Case : PDIP-8

  • Brands : TI

  • Components Categories : Instrumentation, OP Amps, Buffer Amps

  • Datesheet : OPA2277PA DataSheet (PDF)

Quick Inquiry

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Overview of OPA2277PA

The OPA2277PA is a precision dual operational amplifier featuring low offset voltage, low input bias current, and high open-loop gain. This IC is designed for applications requiring accurate signal amplification and high input impedance.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • V+ : Positive power supply
  • -V : Negative power supply
  • Vout A : Output for amplifier A
  • V- : Negative power supply
  • NC : No Connection
  • NC : No Connection
  • Vout B : Output for amplifier B
  • V- : Negative power supply
  • V+ : Positive power supply
  • NC : No Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the OPA2277PA IC for a visual representation.

Key Features

  • Precision Dual Op-Amp: Provides two high-precision operational amplifiers in a single package.
  • Low Offset Voltage: Features low offset voltage for accurate signal processing.
  • Low Input Bias Current: Offers low input bias current for minimal signal degradation.
  • High Open-Loop Gain: High open-loop gain ensures stable and reliable amplification.
  • Wide Operating Voltage Range: Operates within a wide voltage range for versatile applications.
  • High Input Impedance: Provides high input impedance for interfacing with various signal sources.

Note: For detailed technical specifications, please refer to the OPA2277PA datasheet.


  • Signal Conditioning: Ideal for precision signal conditioning and amplification.
  • Data Acquisition Systems: Suitable for use in data acquisition systems requiring high accuracy.
  • Instrumentation: Used in instrumentation applications for precise measurements.


The OPA2277PA is a dual operational amplifier designed for accurate signal processing and amplification. It offers high precision and reliability for a wide range of applications.

Usage Guide

  • Power Supply: Connect V+ (Pin 1 and Pin 9) and -V (Pin 2 and Pin 8) to the positive and negative power supplies.
  • Input Connections: Apply input signals to the respective amplifier inputs for signal amplification.

Frequently Asked Questions

Q: Can the OPA2277PA operate in single-supply applications?
A: Yes, the OPA2277PA can operate in single-supply configurations for various applications.


For similar functionalities, consider these alternatives to the OPA2277PA:

  • OPA2227PA: Another precision dual op-amp offering similar performance characteristics.
  • LTC1050CN8: This is a precision operational amplifier from Linear Technology with comparable specifications.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4 Vos (offset voltage at 25°C) (max) (mV) 0.02
GBW (typ) (MHz) 1 Features Small Size
Slew rate (typ) (V/µs) 0.8 Rail-to-rail No
Offset drift (typ) (µV/°C) 0.1 Iq per channel (typ) (mA) 0.79
Vn at 1 kHz (typ) (nV√Hz) 8 CMRR (typ) (dB) 140
Rating Catalog Operating temperature range (°C) -40 to 85
Input bias current (max) (pA) 1000 Iout (typ) (A) 0.035
Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 2
Input common mode headroom (to positive supply) (typ) (V) -2 Output swing headroom (to negative supply) (typ) (V) 0.5
Output swing headroom (to positive supply) (typ) (V) -1.2 THD + N at 1 kHz (typ) (%) 0.002

Warranty & Returns

Warranty, Returns, and Additional Information

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    Returns for refund: within 90 days

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