AD5675RBRUZ

Overview

The AD5675RBRUZ is an octal, 16-bit buffered voltage output digital-to-analog converter (DAC) from Analog Devices. It features a 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 uses a 2-wire I²C serial interface compatible up to 400 kHz and supports 1.8 V logic levels via the VLOGIC pin. Key performance metrics include a maximum INL of ±3 LSB, a gain error of ±0.06% FSR, and a settling time of 5 µs. It incorporates power-on reset circuitry and a low-power shutdown mode consuming 1 µA typical current.

Feature Summary

• Octal architecture with 16-bit resolution and 2.5 V internal reference
• I²C interface with 1.8 V logic compatibility and 400 kHz clock rate
• High accuracy: ±3 LSB INL, ±0.06% FSR gain error, 5 µs settling time
• User-selectable gain (×1 or ×2) for full-scale outputs of 2.5 V or 5 V

Applications

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

Procurement Notes

Verify the specific grade (A or B) required for your application, as specifications such as INL and offset error vary between grades. Confirm that the TSSOP-20 package meets your thermal and PCB layout constraints. Ensure the design accounts for the 2.7 V to 5.5 V supply range and the 1.62 V to 5.5 V logic voltage range.

Selection Notes

Select this component when multiple isolated analog outputs are needed in a compact form factor. The integrated 2 ppm/°C reference simplifies design by removing external precision references. Consider the gain select pin if a 5 V full-scale output is required from a 2.5 V reference. Verify that the 15 mA output drive capability meets the load requirements.

Part Context

The AD5675RBRUZ belongs to the nanoDAC+ family, which integrates high-precision DACs with on-chip references. It shares the same core architecture as the AD5671R but offers 16-bit resolution compared to the 12-bit variant. The 'BRU' suffix indicates the B-grade performance level and the TSSOP-20 package type.

Replacement Considerations

The AD5675BRUZ is a non-RoHS compliant version of the same electrical device. For higher resolution needs, consider the AD5677R series. For SPI interface compatibility, the AD5676R is a functional alternative within the same family.