AD5672RBCPZ-REEL7

Overview

The AD5672RBCPZ-REEL7 is an octal, 12-bit buffered voltage output digital-to-analog converter (DAC) from Analog Devices. It features a low-drift 2.5 V internal reference with a typical temperature coefficient of 2 ppm/°C and operates on a single 2.7 V to 5.5 V supply. The device supports a user-selectable gain of 1 or 2, providing full-scale outputs of 2.5 V or 5 V respectively. It utilizes a 50 MHz SPI interface with readback capability and includes a power-on reset circuit ensuring outputs initialize to zero or midscale. Packaged in a 20-lead LFCSP, it guarantees monotonic operation across the -40°C to +125°C temperature range.

Feature Summary

• Octal architecture with 12-bit resolution and ±1 LSB maximum INL
• Integrated 2.5 V reference with 2 ppm/°C typical drift
• User-selectable gain (1x or 2x) for 2.5 V or 5 V full-scale output
• 50 MHz SPI interface with daisy-chain and readback support

Applications

• Optical transceivers
• Base station power amplifiers
• Process control PLC input/output cards
• Industrial automation systems
• Data acquisition systems

Procurement Notes

Verify the specific suffix REEL7 indicates reel packaging when sourcing. Confirm the LFCSP package type matches the design footprint. Ensure the internal reference configuration aligns with system requirements, as it is enabled by default. Check RoHS compliance status for environmental regulations.

Selection Notes

Select this component for applications requiring multiple synchronized analog outputs with high channel density. The 12-bit resolution suits general-purpose control loops where extreme precision is not critical. Consider the 2.5 V internal reference if external references are undesirable. Verify logic voltage compatibility (1.8 V compatible) with the host microcontroller.

Part Context

This part belongs to the nanoDAC+ family, designed for high performance and wide operating ranges. It shares architectural similarities with the AD5676R but offers 12-bit resolution instead of 16-bit. The LFCSP package provides a compact form factor suitable for space-constrained PCB layouts compared to larger TSSOP options.

Replacement Considerations

The AD5676R serves as a higher-resolution alternative within the same family. For I2C interfaces, consider the AD5671R. External reference variants like the AD5672 exist but lack the integrated low-drift reference.