General Description

The AK9822/24 includes 2 channel, 8 bit D/A converters with on-chip output buffer amps and it is capable to store the input digital data of each D/A converter by on-chip non-volatile CMOS EEPROM. The AK9822/24 is optimally designed for various circuit adjustments for consumer and industrial equipments and it is ideally suited for replacing mechanical trimmers.

Feature

□ EEPROM section

AK9822 • • • 128 words Õ 16bit

AK9824 • • • 256 words Õ 16bit

One chip microcomputer interface

Sequential register read

□ D/A Converter section

2 channel

Resolution : 8bit

Differential Non-Linearity : ‘1.0 LSB

Linearity Error : ‘1.5 LSB

Output Voltage Range : GND ∼ VCC

□ Wide VCC operation

• EEPROM section : 1.8V∼5.5V

• D/A Converter Section : 2.7V∼5.5V

□ Power Down Function