AD5660CRMZ-2REEL7

Overview

The AD5660CRMZ-2REEL7 is a single-channel, 16-bit digital-to-analog converter (DAC) from the nanoDAC family. It features an internal 2.5 V reference with a temperature coefficient of 5 ppm/°C, enabling a full-scale output range of 5 V. The device operates on a single 4.5 V to 5.5 V supply and includes a power-on reset circuit that initializes the output to 0 V. It utilizes a versatile 3-wire serial interface compatible with SPI, QSPI, Microwire, and DSP standards, supporting clock rates up to 30 MHz. The DAC offers rail-to-rail output swing and low power consumption.

Feature Summary

• 16-bit resolution with guaranteed monotonicity by design
• Internal 2.5 V reference with ±5 ppm/°C temperature coefficient
• 8 µs typical settling time for ¼ to ¾ scale changes
• Power-down current reduced to 480 nA at 5 V

Applications

• Process control systems
• Data acquisition systems
• Portable battery-powered instruments
• Programmable voltage and current sources

Procurement Notes

Verify the specific grade (A, B, or C) required for integral nonlinearity specifications, as the datasheet defines distinct accuracy grades for the AD5660-2 variant. Confirm package availability matches the MSOP-8 form factor associated with the CRMZ suffix. Ensure supply voltage constraints align with the 4.5 V to 5.5 V operational range specified for this reference configuration.

Selection Notes

Select the AD5660CRMZ-2REEL7 when a 5 V full-scale output is required with high precision. The internal 2.5 V reference eliminates the need for external components, reducing board space. Choose this part over the -1 variant if operating above 3.3 V, as the -1 version is optimized for 2.7 V to 3.3 V supplies with a 1.25 V reference. Consider the A Grade for tighter linearity requirements compared to B or C Grades.

Part Context

This component belongs to the AD5620/AD5640/AD5660 nanoDAC series, which provides pin-compatible options across 12-, 14-, and 16-bit resolutions. The AD5660 represents the highest resolution tier in this family. The 'CRMZ' designation indicates an MSOP-8 package, while the '-2' suffix specifies the inclusion of the internal 2.5 V reference for 5 V operation. The 'REEL7' suffix denotes tape-and-reel packaging.

Replacement Considerations

The AD5662 is listed as a related device offering similar 16-bit performance but requires an external reference. Direct pin-for-pin replacement within the same family includes the AD5660CRMZ-1 (1.25 V ref) or AD5660CRMZ-3 (midscale power-up). Verify that any substitute maintains the required serial interface compatibility and power supply voltage range.