OPA1692 - SoundPlus™ Low-Power, Low-Noise, High-Performance Dual Bipolar-Input Audio Op Amp

The OPA169x operational amplifiers achieve a new level of performance for low-poweramplifiers with a low 4.2-nV/√Hz noise density and distortion of –127 dB at1 kHz. This op amps offer rail-to-rail output swing to within 200 mV of the powersupplies with a 2-kΩ load, which increases headroom and maximizes dynamic range. These devices havea high output drive capability of ±50 mA.

The OPA169x operational amplifiers operate over a wide supply range of ±1.75 V to ±18 V,or 3.5 V to 36 V (on 650 µA of supply current per channel), are unity-gain stable, and provideexcellent dynamic behavior over a wide range of load conditions.

The OPA169x op amps are specified for a temperature range of –40°C to 125°C.

• Low Noise: 4.2 nV/√Hz at 1 kHz
• Low Distortion: –127 dB at 1 kHz
• Low Quiescent Current:
  650 µA per Channel
• Slew Rate: 23 V/µs
• Wide Gain Bandwidth: 5.1 MHz
• Unity-Gain Stable
• Rail-to-Rail Output
• Wide Supply Range:
  ±1.75 V to ±18 V, or 3.5 V to 36 V

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