AD7893AR-10REEL

Overview

The AD7893AR-10REEL is a 12-bit successive approximation analog-to-digital converter (ADC) from Analog Devices, housed in an 8-pin SOIC package. It operates from a single +5 V supply and features a fast conversion time of 6 μs with a maximum throughput rate of 117 kHz. The device accepts a bipolar analog input range of ±10 V and utilizes an on-chip track/hold amplifier. It communicates via a high-speed two-wire serial interface consisting of SCLK and SDATA pins. Key electrical specifications include a typical power dissipation of 25 mW, a signal-to-noise ratio of 70 dB, and relative accuracy of ±1 LSB.

Feature Summary

• Integrates a 12-bit ADC, track/hold amplifier, and serial interface logic within a compact 8-pin package to minimize board space.
• Supports single-supply operation at +5 V with low power consumption, making it suitable for battery-powered applications.
• Provides a simple two-wire serial interface for easy connection to microcontrollers and DSP processors.

Applications

• Battery-powered portable instrumentation
• Industrial process control systems
• Data acquisition modules

Procurement Notes

Verify the specific suffix 'REEL' indicates tape-and-reel packaging when sourcing components. Confirm that the AD7893-10 variant matches the required ±10 V input range for the target application. Ensure compatibility with the single +5 V supply voltage and external reference requirements specified in the datasheet.

Selection Notes

Select this component if a 12-bit resolution and ±10 V input range are required in an 8-pin form factor. Consider the 6 μs conversion time and 117 kHz throughput rate against system timing constraints. Verify that the serial interface protocol aligns with the host processor's capabilities and that the operating temperature range meets environmental specifications.

Part Context

The AD7893 belongs to Analog Devices' LC2MOS family of mixed-signal converters. This series combines precision bipolar circuits with low-power CMOS logic. The AD7893-10 specifically denotes the version configured for a ±10 V input range, distinguishing it from other variants like the AD7893-5 or AD7893-3 which support different voltage ranges.

Replacement Considerations

Check for availability of AD7893ARZ-10 or AD7893BR-10 as potential equivalents. Verify pinout compatibility and electrical parameter alignment before substitution. Note that ordering suffixes may indicate variations in packaging or temperature grade rather than functional changes.