GENERAL DESCRIPTION

The AD5308/AD5318/AD5328 are octal 8-, 10-, and 12-bit buffered voltage output DACs in a 16-lead TSSOP. They operate from a single 2.5 V to 5.5 V supply, consuming 0.7 mA typical at 3 V. Their on-chip output amplifiers allow the outputs to swing rail-to-rail with a slew rate of 0.7 V/μs. The AD5308/AD5318/AD5328 use a versatile 3-wire serial interface that operates at clock rates up to 30 MHz and is compatible with standard SPI, QSPI, MICROWIRE, and DSP interface standards.

FEATURES

AD5308: 8 buffered 8-bit DACs in 16-lead TSSOP

A version: ±1 LSB INL, B version: ±0.75 LSB INL

AD5318: 8 buffered 10-bit DACs in 16-lead TSSOP

A version: ±4 LSB INL, B version: ±3 LSB INL

AD5328: 8 buffered 12-bit DACs in 16-lead TSSOP

A version: ±16 LSB INL, B version: ±12 LSB INL

Low power operation: 0.7 mA @ 3 V

Guaranteed monotonic by design over all codes

Power-down to 120 nA @ 3 V, 400 nA @ 5 V

Double-buffered input logic

Buffered/unbuffered/VDD reference input options

Output range: 0 V to VREF or 0 V to 2 VREF

Power-on reset to 0 V

Programmability

Individual channel power-down

Simultaneous update of outputs (LDAC)

Low power, SPI-®, QSPI-™, MICROWIRE-™, and DSP-compatible 3-wire serial interface

On-chip rail-to-rail output buffer amplifiers

Temperature range: −40°C to +125°C

Qualified for automotive applications

APPLICATIONS

Portable battery-powered instruments

Digital gain and offset adjustment

Programmable voltage and current sources

Optical networking

Automatic test equipment

Mobile communications

Programmable attenuators

Industrial process control