OPA1632DGNR Fully-Differential I/O High 2.4GHz Gain Bandwidth Ultra-Low Noise & THD High 180mA Output Wide Supply Range RF Shielding Industry-Standard Package

OPA1632DGNR Fully-Differential I/O High 2.4GHz Gain Bandwidth Ultra-Low Noise & THD High 180mA Output Wide Supply Range RF Shielding Industry-Standard Package

Features

• Excellent sound quality

• Ultra low distortion: 0.000028%

• Low noise: 1.25 nV/√Hz

• High speed:

  –Slew rate: 72 V/μs

  –Gain bandwidth product: 180 MHz

• Fully differential architecture:

  –Balanced input and output converts single ended input to balanced differential output

• Wide supply range: ±2.5 V to ±15 V

• Shutdown current: 0.85 mA (VS = ± 5 V)

• Temperature range: –40°C to +85°C

Applications

• Professional audio mixer or control surface

• Professional microphones and wireless systems

• Professional speaker systems

• Professional audio amplifier

• Soundbar

• Turntable

• Professional video camera

• Guitar and other instrument amplifier

• Data acquisition (DAQ)

Description

The OPA1632 is a fully differential amplifier (FDA) designed to drive high-performance audio analog-to digital converters (ADCs) or as a predriver for class-D amplifiers.

The OPA1632 delivers excellent audio quality, very low noise, large output voltage swing, and high current drive. The OPA1632 has an excellent gain bandwidth of 180 MHz, and a very fast slew rate of 72 V/μs that helps to produce exceptionally low distortion. A very low input voltage noise of 1.25 nV/√Hz further provides maximum signal-to noise ratio and dynamic range.

The flexibility of the fully differential architecture allows for easy implementation of a single-ended to fully differential output conversion. Differential output reduces even-order harmonics and minimizes common-mode noise interference. The OPA1632 provides excellent performance when used to drive high-performance audio ADCs such as the PCM1804. A shutdown feature is included to save power when the device is not in use.

The OPA1632 is characterized to operate from 40°C to +85°C and is available in an SO-8 package and a thermally-enhanced HVSSOP-8 PowerPAD™ integrated circuit package.

INFORMATION

Drawing

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