AD5697RBRUZ

Overview

The AD5697RBRUZ is a dual, 12-bit buffered voltage output digital-to-analog converter (DAC) from the nanoDAC+ family. It features an internal 2.5 V reference with a typical drift of 2 ppm/°C and operates on a single 2.7 V to 5.5 V supply. The device utilizes a 400 kHz I2C-compatible serial interface and includes a user-selectable gain pin for full-scale outputs of 2.5 V or 5 V. Key performance metrics include a total unadjusted error (TUE) of ±0.1% FSR maximum, offset error of ±1.5 mV maximum, and a settling time of 7 µs. It is available in a 16-lead TSSOP package.

Feature Summary

• Dual 12-bit resolution with rail-to-rail buffered voltage outputs
• Integrated low-drift 2.5 V reference (2 ppm/°C typical)
• I2C-compatible serial interface supporting up to 400 kHz clock rates
• Power-on reset circuit with RSTSEL pin for zero or midscale initialization

Applications

• Base station power amplifiers
• Programmable logic controller I/O cards
• Industrial automation systems
• Data acquisition systems

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and temperature range. Ensure compatibility with system voltage levels, as the digital interface supports 1.8 V logic while analog supplies range from 2.7 V to 5.5 V. Confirm RoHS compliance status for the specific batch prior to integration.

Selection Notes

Select this component when a dual-channel DAC with high precision and low power consumption is required. The internal reference eliminates the need for external components, reducing board space. Consider the GAIN pin configuration to determine if a 2.5 V or 5 V output span is needed. Verify that the 16-lead TSSOP package fits the design constraints compared to the LFCSP option.

Part Context

The AD5697R belongs to the nanoDAC+ family, which emphasizes low power and small form factors. It shares architectural similarities with the AD5687R (SPI interface) and AD5694R (quad channel). The BRUZ suffix specifically denotes the 16-lead TSSOP package variant within the AD5697R series.

Replacement Considerations

The AD5697RBCPZ-RL7 serves as a functional replacement offering identical electrical specifications but utilizes a 16-lead LFCSP package instead of the TSSOP. Designers must account for footprint differences during substitution.