1 Features

1• Unity-Gain Bandwidth: 250 MHz

• Wide Bandwidth: 100-MHz GBW

• High Slew Rate: 150 V/μs

• Low Noise: 6.5 nV/√Hz

• Rail-to-Rail I/O

• High Output Current: > 100 mA

• Excellent Video Performance:

– Differential Gain: 0.02%, Differential Phase:

0.09°

– 0.1-dB Gain Flatness: 40 MHz

• Low Input Bias Current: 3 pA

• Quiescent Current: 4.9 mA

• Thermal Shutdown

• Supply Range: 2.5 V to 5.5 V

• Shutdown IQ < 6 μA

• MicroSIZE Package

• Create a Custom Design Using the OPA357 With

the WEBENCH® Power Designer

2 Applications

• Video Processing

• Ultrasound

• Optical Networking, Tunable Lasers

• Photodiode Transimpedance Amplifiers

• Active Filters

• High-Speed Integrators

• Analog-to-Digital (A/D) Converter Input Buffers

• Digital-to-Analog (D/A) Converter Output

Amplifiers

• Barcode Scanners

• Communications

3 Description

The OPA357 series of high-speed, voltage-feedback

CMOS operational amplifiers is designed for video

and other applications requiring wide bandwidth.

These devices are unity-gain stable and can drive

large output currents. Differential gain is 0.02% and

differential phase is 0.09°. Quiescent current is only

4.9 mA per channel.

The OPA357 series of op amps is optimized for

operation on single or dual supplies as low as 2.5 V

(±1.25 V) and up to 5.5 V (±2.75 V). Common-mode

input range extends beyond the supplies. The output

swing is within 100 mV of the rails, supporting wide

dynamic range.

The single version (OPA357) comes in the miniature

SOT23-6 package. The dual version (OPA2357) is

offered in the VSSOP-10 package.

The dual version features completely independent

circuitry for lowest crosstalk and freedom from

interaction. Both versions are specified over the

extended –40°C to +125°C temperature range.

参考价格：6.4210

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