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OPA4377-Q1
  • OPA4377-Q1

OPA4377-Q1

ACTIVE

Automotive-Qualified CMOS Operational Amplifier With Low Noise and 5.5MHz GBW

Texas Instruments OPA4377-Q1 Product Info

1 April 2026 3

Parameters

Number of channels

4

Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)

5.5

Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)

2.2

Vos (offset voltage at 25°C) (max) (mV)

1

Offset drift (typ) (µV/°C)

0.32

Input bias current (max) (pA)

10

GBW (typ) (MHz)

5.5

Features

EMI Hardened

Slew rate (typ) (V/µs)

2

Rail-to-rail

In, Out

Iq per channel (typ) (mA)

0.76

Vn at 1 kHz (typ) (nV√Hz)

7.5

CMRR (typ) (dB)

90

Rating

Automotive

Operating temperature range (°C)

-40 to 125

Iout (typ) (A)

0.03

Architecture

CMOS

Input common mode headroom (to negative supply) (typ) (V)

-0.1

Input common mode headroom (to positive supply) (typ) (V)

0.1

Output swing headroom (to negative supply) (typ) (V)

0.01

Output swing headroom (to positive supply) (typ) (V)

-0.01

THD + N at 1 kHz (typ) (%)

0.00027

Package

TSSOP (PW)-14-32 mm² 5 x 6.4

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified with the Following Results:
    • Device Temperature Grade 1: –40°C to
      +125°C Ambient Operating Temperature
      Range
    • Device HBM ESD Classification Level 3A
    • Device CDM ESD Classification Level C6
  • Low Noise: 7.5 nV/√Hz at 1 kHz
  • 0.1-Hz to 10-Hz Noise: 0.8 µVPP
  • Quiescent Current: 760 µA (typical)
  • Low Offset Voltage: 250 µV (typical)
  • Gain Bandwidth Product: 5.5 MHz
  • Rail-to-Rail Input and Output
  • Single-Supply Operation
  • Supply Voltage: 2.2 V to 5.5 V
  • Space-Saving Packages:
    • SOT-23, VSSOP, TSSOP
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified with the Following Results:
    • Device Temperature Grade 1: –40°C to
      +125°C Ambient Operating Temperature
      Range
    • Device HBM ESD Classification Level 3A
    • Device CDM ESD Classification Level C6
  • Low Noise: 7.5 nV/√Hz at 1 kHz
  • 0.1-Hz to 10-Hz Noise: 0.8 µVPP
  • Quiescent Current: 760 µA (typical)
  • Low Offset Voltage: 250 µV (typical)
  • Gain Bandwidth Product: 5.5 MHz
  • Rail-to-Rail Input and Output
  • Single-Supply Operation
  • Supply Voltage: 2.2 V to 5.5 V
  • Space-Saving Packages:
    • SOT-23, VSSOP, TSSOP

Description

The OPAx377-Q1 family of operational amplifiers are wide-bandwidth CMOS amplifiers that provide very low noise, low input bias current, and low offset voltage while operating on a low quiescent current of 0.76 mA (typical).

The OPAx377-Q1 op amps are optimized for low-voltage, single-supply applications. The exceptional combination of ac and dc performance make them ideal for a wide range of applications, including small signal conditioning, audio, and active filters. In addition, these parts have a wide supply range with excellent PSRR, making them attractive for applications that run directly from batteries without regulation.

The OPA377-Q1 is available in the SOT23-5 package. The dual, OPA2377-Q1, is offered in the MSOP-8 package and the quad OPA4377-Q1 is offered in the TSSOP-14 package. All versions are specified for operation from –40°C to +125°C.

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