AD8023AR-REEL7

Overview

The AD8023AR-REEL7 is a triple video amplifier manufactured by Analog Devices Inc. It features a current feedback architecture with a unity gain bandwidth of 250 MHz and a slew rate of 1200 V/µs. The device operates on dual supplies from ±2.1 V to ±7.5 V or single supply from +4.2 V to +15 V, consuming a maximum of 10.0 mA per amplifier. Each channel provides 70 mA output current and drives unlimited capacitive loads. Key specifications include a 3 dB bandwidth of 125 MHz, 0.06% differential gain error, and 0.02° differential phase error. It includes a high-speed disable function with a 30 ns turn-off time.

Feature Summary

• High current output drive capability optimized for large capacitive loads
• Integrated high-speed disable function for power-down and multiplexing
• Excellent video performance with low differential gain and phase errors
• Internal short circuit protection with high overload recovery speed

Applications

• LCD Displays
• Video Line Driver
• Broadcast and Professional Video
• Computer Video Plug-In Boards
• Consumer Video

Procurement Notes

Verify the specific REEL7 suffix indicates a 7-inch tape and reel packaging format as defined in the ordering guide. Confirm the AD8023A model designation matches the required industrial temperature range of -40°C to +85°C. Ensure compatibility with the 14-lead SOIC package dimensions before integration.

Selection Notes

Select this component for applications requiring high-speed signal processing with significant capacitive loading. The current feedback topology allows for consistent bandwidth across varying gains. Verify that the required closed-loop gain configuration aligns with the recommended feedback resistor values to maintain stability and minimize peaking.

Part Context

This part belongs to the AD8023 family of triple video amplifiers. It is distinct from voltage feedback operational amplifiers due to its current feedback architecture, which offers superior slew rates and bandwidth consistency. The device is designed specifically for demanding video signal paths where signal integrity and fast settling times are critical.

Replacement Considerations

Direct substitutes within the same package and pinout must be verified against the datasheet. Check if alternative parts support the same 70 mA output current and unlimited capacitive load drive capabilities without external compensation components.

FAQ

How does the disable function operate?

Pulling the Disable pin approximately 1.6 V above the negative supply voltage powers down the amplifier, reducing quiescent current to about 1.3 mA and creating a high-impedance output state.

What is the maximum capacitive load the AD8023 can drive?

The AD8023 is capable of driving unlimited capacitive loads when used with the appropriate feedback resistor, though a small series output resistor is recommended for optimal pulse response.