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OPA890 - Voltage-Feedback Operational Amplifier

General Description

The OPA890 represents a major step forward in unity-gain stable, voltage-feedback op amps.

A new internal architecture provides slew rate and full-power bandwidth previously found only in wideband, current-feedback op amps.

These capabilities provide exceptional full power bandwidth.

Key Features

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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OPA890 www.ti.com SBOS369B – MAY 2007 – REVISED DECEMBER 2009 Low-Power, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER with Disable Check for Samples: OPA890 FEATURES 1 •2 FLEXIBLE SUPPLY RANGE: +3V to +12V Single Supply ±1.5V to ±6V Dual Supplies • UNITY-GAIN STABLE • WIDEBAND +5V OPERATION: 115MHz (G = +2V/V) • OUTPUT VOLTAGE SWING: ±4V • HIGH SLEW RATE: 500V/μs • LOW QUIESCENT CURRENT: 1.1mA • LOW DISABLE CURRENT: 30μA APPLICATIONS • VIDEO LINE DRIVING • xDSL LINE DRIVERS/RECEIVERS • HIGH-SPEED IMAGING CHANNELS • ADC BUFFERS • PORTABLE INSTRUMENTS • TRANSIMPEDANCE AMPLIFIERS • ACTIVE FILTERS +5V DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 VDD GND ½ DAC7822 VREF R1 RFB IOUT1 IOUT2 R2 R2_3 R3 -5V 2.5pF +7.5V 5.56kW OPA890 VOUT 0V £ VOUT £ 5V 0.1mF -2.