AD7887WARMZ-RL

Overview

The AD7887WARMZ-RL is a 12-bit successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. It operates from a single supply voltage ranging from 2.7 V to 5.25 V and supports throughput rates up to 125 kSPS with a 2 MHz serial clock. The device features two single-ended analog input channels and an integrated 2.5 V reference, or allows for external reference input between 1.2 V and VDD. It utilizes a flexible serial interface compatible with SPI, QSPI, Microwire, and DSP standards. The component is housed in an 8-lead MSOP package and is qualified for automotive applications under the AEC-Q100 standard.

Feature Summary

• Configurable dual-channel operation via on-chip control register
• Integrated internal 2.5 V reference or external reference capability
• Flexible power management including automatic shutdown after conversion
• Read-only ADC mode available by tying data input low

Applications

• Battery-powered systems such as personal digital assistants and mobile communications
• Medical instruments requiring low power consumption
• Instrumentation and control systems
• High-speed modems

Procurement Notes

Verify the specific suffix 'WARMZ-RL' against official documentation to confirm it denotes the MSOP package, automotive grade qualification, and reel packaging format. Ensure compatibility with system requirements for the specified operating temperature range and voltage levels before procurement.

Selection Notes

Select this component when a small form factor 12-bit ADC is required for battery-operated devices. Consider the AD7887 for applications needing dual-channel sampling with minimal power dissipation. Verify that the serial interface timing meets the microcontroller's capabilities and that the input voltage ranges align with the sensor outputs.

Part Context

The AD7887 belongs to the AD7887 series of micropower, high-speed ADCs. It is designed to provide high performance in a compact 8-lead package. The WARMZ-RL designation indicates a specific variant within this family, tailored for automotive environments and supplied in reel packaging for automated assembly processes.

Replacement Considerations

Check for direct pin-compatible alternatives within the ADI portfolio if availability is constrained. Ensure any substitute maintains the 12-bit resolution, 125 kSPS speed, and MSOP package dimensions. Verify that the replacement supports the same automotive qualification standards if required.