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 Product type Premier Architecture CMOS CMRR (Typ) (dB) 120 Input bias current (Max) (pA) 20
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 Product type Premier Architecture CMOS CMRR (Typ) (dB) 120 Input bias current (Max) (pA) 20
SOIC (D) 8 19 mm² 4.9 x 3.9
  • 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
  • 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

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.

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.

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