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OPA695IDR

TIOPA695IDR

Texas Instruments
High-speed current-feedback amplifier with very fast slew and drive capability, suitable as an alternative for video and ADC drive applications.
Active1,676 in stock
Datasheet Digi-Key Compare Prices

Overview

The OPA695IDR is an ultra-high bandwidth, current-feedback operational amplifier designed for high-speed signal chains requiring exceptional slew rates and drive capability. It features a 600MHz bandwidth and a massive 5000V/us slew rate, making it an ideal choice for buffering high-performance ADCs and driving video lines.

Why Choose This Part

The primary advantage is its industry-leading 5000V/us slew rate which minimizes large-signal distortion at high frequencies. It also offers a significant output drive capability of 140mA and a power-down feature that reduces current from 14mA to just 160uA for power-sensitive designs.

Applications

High-Resolution ADC Driver
Provides the necessary speed and low distortion to drive high-speed analog-to-digital converters in communications and test systems.
Broadband Video Distribution
Excels in driving standard and high-definition video signals across long cable runs with high linearity.
IF Amplification
Used in intermediate frequency stages of RF receivers where high gain and low noise are critical.
Arbitrary Waveform Generators
Serves as an output buffer for DACs to reproduce complex high-frequency waveforms accurately.

Key Specifications

Slew Rate 4300V/us
Mounting Type Surface Mount
-3db Bandwidth 1.7 GHz
Amplifier Type Current Feedback
Package / Case 8-SOIC (0.154", 3.90mm Width)
Current - Supply 12.9mA
Number of Circuits 1
Current - Input Bias 20 uA
Operating Temperature -40degC ~ 85degC
Voltage - Input Offset 300 uV
Supplier Device Package 8-SOIC
Current - Output / Channel 120 mA
Voltage - Supply Span (Max) 12 V
Voltage - Supply Span (Min) 5 V

Getting Started

When designing with the OPA695IDR, prioritize a high-frequency PCB layout with short signal paths and low-ESR bypass capacitors (0.1uF and 6.8uF) placed directly at the supply pins. Ensure the current-feedback resistor (Rf) is optimized according to the datasheet's gain tables to maintain stability and maximize bandwidth.

OPA695 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
OPA695IDR (this part) SOIC-8 1,676
OPA695ID 6-23 2,489
Also available as: OPA695AID
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