AD5675RBCPZ-RL

Overview

The AD5675RBCPZ-RL 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 drift of 2 ppm/°C and operates on a single 2.7 V to 5.5 V supply. The device supports a 400 kHz I²C-compatible serial interface and includes user-selectable gain of 1 or 2 via the GAIN pin or bit, enabling full-scale outputs of 2.5 V or 5 V respectively. Packaged in a 20-lead LFCSP, it guarantees monotonicity and incorporates a power-on reset circuit with RSTSEL functionality for controlled startup states.

Feature Summary

• Octal architecture with 16-bit resolution and ±3 LSB maximum INL
• Integrated 2.5 V reference with 2 ppm/°C temperature coefficient
• I²C serial interface with 400 kHz clock speed
• User-selectable gain (×1 or ×2) for 2.5 V or 5 V full-scale output

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 performance specifications such as INL and offset error vary between grades. Confirm the package type matches the design, as the AD5675R series is available in both TSSOP and LFCSP packages. Ensure the ordering suffix corresponds to the correct reel quantity and packaging format specified by the manufacturer.

Selection Notes

Select the A Grade for tighter accuracy specifications, including ±8 LSB max INL, or the B Grade for standard performance with ±3 LSB max INL. Consider the power supply range; the device requires VDD between 2.7 V and 5.5 V. If a 5 V full-scale output is needed, ensure the GAIN pin is tied to VLOGIC or configured via software. Verify logic compatibility, as VLOGIC supports 1.62 V to 5.5 V.

Part Context

The AD5675RBCPZ-RL belongs to the nanoDAC+ family, which integrates precision references and buffered outputs in compact packages. It shares the same core architecture and interface protocols as the AD5671R (12-bit) and AD5676R (SPI interface). The 'BCPZ' suffix indicates the B Grade, LFCSP package, and RoHS compliance.

Replacement Considerations

The AD5671R offers identical functionality but with 12-bit resolution. The AD5676R provides 16-bit resolution but uses an SPI interface instead of I²C. Direct pin-for-pin replacement requires verifying the interface protocol and resolution requirements of the host system.