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OPA892
  • OPA892
  • OPA892
  • OPA892
  • OPA892
  • OPA892
  • OPA892

OPA892

ACTIVE

2-GHz 10-V/V stable 0.95-nV√Hz operational amplifier with ultra-low total harmonic distortion (THD)

Texas Instruments OPA892 Product Info

1 April 2026 3

Parameters

Architecture

Voltage FB

Number of channels

1

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

9

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

36

GBW (typ) (MHz)

2000

BW at Acl (MHz)

290

Acl, min spec gain (V/V)

10

Slew rate (typ) (V/µs)

700

Vn at flatband (typ) (nV√Hz)

0.95

Vn at 1 kHz (typ) (nV√Hz)

1

Iq per channel (typ) (mA)

7.5

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

1

Rail-to-rail

No

Features

Decompensated

Rating

Catalog

Operating temperature range (°C)

-40 to 85

CMRR (typ) (dB)

106

Input bias current (max) (pA)

20000000

Offset drift (typ) (µV/°C)

1

Iout (typ) (mA)

200

2nd harmonic (dBc)

82

3rd harmonic (dBc)

108

Frequency of harmonic distortion measurement (MHz)

1

Package

SOIC (D)-8-29.4 mm² 4.9 x 6

Features

  • Ultra-low 0.95nV/√Hz voltage noise
  • High speed:
    • 2GHz gain-bandwidth product
    • 700V/µs slew rate
    • 30ns settling time (0.1%)
  • Stable at gains ≥10V/V
  • Output drive, IO = 200mA (typical)
  • Very low distortion:
    • THD = –78dBc (f = 1MHz, RL = 150Ω)
    • THD+N = –114dBc (f = 1kHz, BW = 80kHz)
  • Wide range of power supplies:
    • VCC = ±4.5V to ±18V
  • Offset nulling pins on the OPA892
  • Ultra-low 0.95nV/√Hz voltage noise
  • High speed:
    • 2GHz gain-bandwidth product
    • 700V/µs slew rate
    • 30ns settling time (0.1%)
  • Stable at gains ≥10V/V
  • Output drive, IO = 200mA (typical)
  • Very low distortion:
    • THD = –78dBc (f = 1MHz, RL = 150Ω)
    • THD+N = –114dBc (f = 1kHz, BW = 80kHz)
  • Wide range of power supplies:
    • VCC = ±4.5V to ±18V
  • Offset nulling pins on the OPA892

Description

The OPA892 and OPA2892 (OPAx892) are ultra-low voltage noise, high-speed voltage-feedback amplifiers that are an excellent choice for applications requiring low voltage noise, including communication and imaging. The single-amplifier OPA892 and the dual-amplifier OPA2892 offer very good ac performance with a 290MHz bandwidth, a 700V/µs slew rate, and a 30ns settling time (0.1%) for a gain of 10V/V. The OPAx892 are stable at gains of 10 or greater and –9 or less. These amplifiers have a high drive capability of 200mA and draw only 7.5mA of supply current per amplifier. With a total harmonic distortion (THD) of –68dBc at f = 1MHz, the OPAx892 are designed for applications requiring low distortion. Because the distortion remains low over a wide range of output voltages, the OPAx892 is useful in large dynamic-range applications such as imaging, sonar, and audio.

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