AD5328BRUZ

Digital To Analog Converters Overview

The AD5328BRUZ is an octal, 12-bit buffered voltage output digital-to-analog converter (DAC) housed in a 16-lead TSSOP package. It operates from a single 2.5 V to 5.5 V supply with a typical current consumption of 0.7 mA at 3 V. The device features on-chip rail-to-rail output buffer amplifiers capable of a 0.7 V/μs slew rate. It utilizes a versatile 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards, supporting clock rates up to 30 MHz. Key specifications include ±12 LSB maximum integral nonlinearity (INL), guaranteed monotonicity by design, and power-down currents as low as 400 nA at 5 V.

Digital To Analog Converters Feature Summary

• Octal architecture providing eight independent 12-bit DAC channels with rail-to-rail buffered outputs.
• Low power operation with 0.7 mA typical current at 3 V and deep power-down modes reducing consumption to 120 nA at 3 V or 400 nA at 5 V.
• Dual reference inputs (VREFABCD and VREFEFGH) configurable for buffered, unbuffered, or VDD-driven modes.
• Asynchronous LDAC input allows simultaneous updating of all DAC outputs from their respective input registers.

Digital To Analog Converters Applications

• Portable battery-powered instruments
• Digital gain and offset adjustment circuits
• Programmable voltage and current sources
• Optical networking equipment
• Automatic test equipment

Digital To Analog Converters Procurement Notes

Verify the specific suffix 'BRUZ' corresponds to the B-version accuracy grade (±12 LSB INL) and the TSSOP-16 package configuration. Confirm that the required operating temperature range aligns with the industrial specification of −40°C to +125°C. Ensure the system design accommodates the dual reference pin structure for the eight channels.

Digital To Analog Converters Selection Notes

Select the AD5328BRUZ when eight independent 12-bit resolution channels are required within a compact 16-lead footprint. Choose this component over the AD5308 or AD5318 if higher resolution is necessary without altering the board layout, as all three devices share identical pinouts. Consider the B-version accuracy specifications if tighter linearity tolerances than the A-version are required for the application.

Digital To Analog Converters Part Context

The AD5328BRUZ belongs to the AD5308/AD5318/AD5328 family of octal DACs manufactured by Analog Devices Inc. This family shares a common 16-lead TSSOP pinout, allowing designers to swap between 8-bit, 10-bit, and 12-bit resolutions without redesigning the printed circuit board. The BRUZ suffix indicates the B-grade accuracy version packaged in tape and reel format.

Digital To Analog Converters Replacement Considerations

The AD5328ARUZ serves as a direct functional replacement with identical pinout and features but offers A-version accuracy specifications (±16 LSB INL). Other family members like the AD5318BRUZ provide lower resolution (10-bit) while maintaining the same package and interface compatibility.