AD8055AR

Instrumentation, Op Amps, Buffer Amps Overview

The AD8055AR is a single-channel, low-cost voltage feedback amplifier manufactured by Analog Devices Inc. It features a 300 MHz -3 dB bandwidth at unity gain and a typical slew rate of 1400 V/µs. The device operates on dual ±5 V or single +12 V supplies with a quiescent current of 6.5 mA. It provides an output drive current exceeding 60 mA and maintains low distortion of -72 dBc at 10 MHz. Input offset voltage is typically 3 mV with a maximum of 5 mV. The component is housed in an 8-lead SOIC package and supports an operating temperature range from -40°C to +125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• High-speed performance with 300 MHz bandwidth and 1400 V/µs slew rate
• Low noise density of 6 nV/√Hz for signal integrity
• Excellent video specifications including 0.01% differential gain error into 150 Ω loads
• Capable of driving over 60 mA load current while maintaining low power consumption

Instrumentation, Op Amps, Buffer Amps Applications

• Video line drivers
• Photodiode preamplifiers
• A-to-D drivers
• Active filters
• Differential line drivers

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix against the manufacturer's official guide to confirm package type and reel configuration. Ensure the selected variant matches the required operating temperature range, as options exist for both industrial and extended ranges. Confirm RoHS compliance status if lead-free construction is mandatory for the assembly process. Cross-reference the datasheet revision to ensure all electrical parameters align with the design requirements.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this amplifier when high bandwidth and fast settling times are required without the complexity of current feedback architectures. It is suitable for applications demanding low power consumption alongside high output drive capability. Consider the 8-lead SOIC package for surface mount integration. Evaluate thermal dissipation limits under heavy load conditions to ensure junction temperatures remain within safe operating boundaries during continuous operation.

Instrumentation, Op Amps, Buffer Amps Part Context

The AD8055AR belongs to the AD8055/AD8056 family of low-cost voltage feedback amplifiers designed to offer performance characteristics typically found in current feedback devices. This series combines ease of use with high speed, making it ideal for portable and battery-powered applications where size and power efficiency are critical constraints.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The AD8056AR is the dual-channel equivalent within the same family.