AD7240BQ

Overview

The AD7240BQ is a high-speed, 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. It utilizes LC2MOS technology to achieve rapid settling times and high accuracy. The device features a bipolar output voltage range and operates on a single supply voltage between 5V and 16V. Key electrical specifications include a maximum conversion time of 550ns and an integral nonlinearity error of 0.5 LSB. It is housed in an 18-lead CERDIP package and supports parallel word input for efficient data interfacing.

Feature Summary

• LC2MOS technology ensures high speed and low power consumption
• Bipolar analog output capability for versatile signal generation
• Parallel word input interface simplifies digital control logic
• High accuracy with 0.5 LSB integral nonlinearity specification

Applications

• High-speed waveform generation systems
• Precision test and measurement equipment
• Industrial process control applications
• Data acquisition system signal conditioning

Procurement Notes

Verify the specific suffix 'BQ' against the manufacturer's official documentation to confirm the exact temperature range and packaging variant. Ensure that the procurement source provides valid traceability for the ceramic dual in-line package. Cross-reference the part number with current availability status as older revisions may have limited supply chains or require obsolescence management strategies.

Selection Notes

Select this component when a 12-bit resolution combined with sub-microsecond settling time is required. The parallel interface is suitable for systems where bus width is not a constraint but speed is critical. Consider the bipolar output requirement and the specific operating voltage range of 5V to 16V during system design integration to ensure compatibility with existing power rails.

Part Context

The AD7240 series represents Analog Devices' legacy high-performance DAC lineup utilizing LC2MOS architecture. This family bridges the gap between standard CMOS converters and specialized high-speed applications. The AD7240BQ specifically denotes the commercial or industrial grade variant within this lineage, offering robust performance characteristics for demanding analog signal processing tasks in professional electronic environments.

Replacement Considerations

The AD7240BQ is listed as obsolete in some official channels. Potential substitutes include the AD7240BR or other members of the AD724x family if pin compatibility and electrical specifications align. Verify functional equivalence carefully before substitution.