ICM7722

Rev A0.1

ICmic reserves the right to change specifications without prior notice

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IC M IC R O S Y S T E M S

IC M IC R O S Y S T E M S

12-Bit 1.2v Low Power Dual DAC

With Serial Interface and Voltage Output

FEATURES

•

12-Bit 1.2v Dual DAC in 8 Lead TSSOP

Package

•

Ultra-Low Power Consumption

•

Guaranteed Monotonic

•

Wide Voltage Output Swing Buffer

•

Three-wire SPI/QSPI and Micro-wire

Interface Compatible

•

Schmitt-Triggered Inputs for Direct

Interfacing to opto-couplers

APPLICATION

•

Battery-Powered Applications

•

Audio Applications

•

Industrial Process Control

•

Digital Gain and Offset Adjustment

OVERVIEW

The ICM7722 is a 12-Bit Voltage Output, ultra

Low Power,

Dual DAC, with guaranteed

monotonic behavior. This DAC is available in

8- Lead TSSOP package.

The input interface is an easy to use three-wire

SPI, QSPI and Micro-wire compatible interface.

The DAC has Schmitt- Triggered inputs for

Direct Interfacing to opto-couplers easily.

BLOCK DIAGRAM

VOB

ICM7722

AMPLIFIER

INPUT

REGISTER B

DAC B

SDI

SCK

REFIN

INPUT CONTROL LOGIC, REGISTERS AND LATCHES

DAC

REGISTER B

CS

DAC A

DAC

REGISTER A

INPUT

REGISTER A

AMPLIFIER

VOA