ADL5569BCPZ-R7

Overview

The ADL5569BCPZ-R7 is a dual, high-performance differential amplifier with a typical -3 dB bandwidth of 6.5 GHz and a preset voltage gain of 20 dB. It features an input noise spectral density of 1.0 nV/√Hz at 100 MHz and operates from a single 5 V supply with a quiescent current of 86 mA per amplifier. The device supports differential or single-ended inputs to differential outputs, offering adjustable gain via external resistors. Fabricated on a high-speed SiGe process, it provides excellent distortion performance for driving high-speed ADCs.

Feature Summary

• Dual differential amplifier architecture optimized for wideband applications up to 6.5 GHz
• Low noise input stage with 1.0 nV/√Hz noise spectral density at 100 MHz
• Adjustable gain capability from 6 dB to 20 dB using external series resistors
• Flexible coupling options supporting both AC-coupled and DC-coupled configurations

Applications

• Differential ADC drivers for GSPS ADCs
• High speed data acquisition systems
• Single-ended to differential conversion
• DAC buffering
• RF/IF gain blocks

Procurement Notes

Verify the specific suffix BCPZ-R7 against the manufacturer's ordering guide to confirm package type and reel quantity specifications. Ensure the component matches the Rev C datasheet requirements for supply voltage and thermal management. Confirm that the lead time and availability status align with current production schedules before finalizing procurement plans.

Selection Notes

Select this component when applications require ultra-high dynamic range and low distortion across a broad frequency spectrum extending to 6.5 GHz. It is suitable for designs needing precise gain adjustment and low noise performance for driving high-resolution analog-to-digital converters. Consider the 5 V single-supply requirement and thermal dissipation needs associated with the 86 mA quiescent current per amplifier channel.

Part Context

The ADL5569 belongs to Analog Devices' portfolio of high-speed RF and IF amplifiers designed for demanding signal processing tasks. Manufactured using a specialized silicon germanium (SiGe) process, it offers superior linearity and noise characteristics compared to standard bipolar technologies. This dual-channel configuration allows for compact board layouts in complex receiver architectures requiring balanced signal paths.

Replacement Considerations

Consult the official Analog Devices replacement matrix for verified cross-reference part numbers. Ensure any substitute maintains the 6.5 GHz bandwidth, 20 dB gain, and 16-lead LFCSP package dimensions. Verify compatibility with existing PCB land patterns and thermal design constraints before implementation.

FAQ

How is the gain of the ADL5569 adjusted?

The internal gain is preset to 20 dB but can be reduced by adding two external resistors in series with the inputs. This allows for flexible gain selection ranging from 6 dB to 20 dB for differential inputs.

What is the output common-mode voltage range?

The operating output common-mode voltage range is specified from 2.0 V to 3.0 V when powered by a 5 V supply. This range can be adjusted by applying a voltage to the VCOM or VCOM2 pins.

Can the ADL5569 be used for DC coupling?

Yes, the device supports DC coupling. For DC-coupled applications, the output common-mode voltage can be adjusted using the VCOM pins to match the required input levels of downstream components.