Product details


Number of channels (#) 2 Total supply voltage (Min) (+5V=5, +/-5V=10) 4.5 Total supply voltage (Max) (+5V=5, +/-5V=10) 36 GBW (Typ) (MHz) 53 Slew rate (Typ) (V/us) 24 Rail-to-rail Out Vos (offset voltage @ 25 C) (Max) (mV) 1 Iq per channel (Typ) (mA) 3.9 Vn at 1 kHz (Typ) (nV/rtHz) 4.3 Features Burr-Brown™ Audio, Premium Sound THD + N @ 1 kHz (Typ) (%) 0.000029 Rating Catalog Operating temperature range (C) -40 to 125 Output current (Typ) (mA) 100 Architecture CMOS CMRR (Typ) (dB) 120 Input bias current (Max) (pA) 20 open-in-new Find other Audio op amps

Package | Pins | Size

SOIC (D) 8 19 mm² 4.9 x 3.9 open-in-new Find other Audio op amps


  • Ultra-low noise:
    • Voltage noise: 2.9 nV/√Hz at 10 kHz
    • Current noise: 6 fA/√Hz at 1 kHz
  • Low distortion:
    • 0.000029% (–131 dB) at 1 kHz
    • 0.000035% (–129 dB) at 20 kHz
  • High open-loop gain: 150 dB
  • High output current: 100 mA
  • Low input bias current: 10 pA
  • Slew rate: 24 V/µs
  • Gain bandwidth product: 53 MHz
  • Rail-to-rail output
  • Wide supply range:
    ±2.25 V to ±18 V or 4.5 V to 36 V
  • Quiescent current: 3.9 mA per channel

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open-in-new Find other Audio op amps


The OPA1656 is a Burr-Brown™ operational amplifier (op amp) designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. The FET-input architecture achieves a low 2.9-nV/√Hz voltage noise density and 6-fA/√Hz current noise density, allowing for very low noise performance in a wide variety of circuits. The high bandwidth and high open-loop-gain design of the OPA1656 delivers a low distortion of 0.000035% (–129 dB) at 20 kHz, and improves audio signal fidelity across the full audio bandwidth. This device also features excellent output current drive capability, offering rail-to-rail output swing to within 250 mV of the power supplies with a 2-kΩ load, and can deliver 100 mA of output current.

The OPA1656 operates over a very wide supply range of ±2.25 V to ±18 V or (4.5 V to 36 V) on 3.9 mA of supply current to accommodate the power supply constraints of many types of audio products. The temperature range is specified from –40°C to +125°C. The device is offered in an 8-pin SOIC package.

open-in-new Find other Audio op amps
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Technical documentation

Design & development

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Hardware development

document-generic User guide

Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.

The (...)

  • Simplifies prototyping of SMT IC’s
  • Supports 6 common package types
  • Low Cost

Design tools & simulation

SBOMAW6.ZIP (157 KB) - PSpice Model
SBOMAW7.TSC (301 KB) - TINA-TI Reference Design
SBOMAW8.ZIP (11 KB) - TINA-TI Spice Model
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide
Analog engineer's calculator
ANALOG-ENGINEER-CALC — 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 op-amp gain with feedback (...)
  • Expedites circuit design with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
    • Noise calculations
    • Common unit translation
  • Solves common amplifier circuit design problems
    • Gain selections using standard resistors
    • Filter configurations
    • Total noise for common amplifier configurations
  • (...)

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SOIC (D) 8 View options

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