GENERAL DESCRIPTION
The AK9844 includes 4 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 AK9844 is optimally designed for various circuit adjustments for consumer and industrial equipments and it is ideally suited for replacing mechanical trimmers.

FEATURES
□ EEPROM SECTION
    • 4 word x 8-bit organization (Dedicated for DAC data)
    • 256 word x 16-bit organization (General purpose memory)
    • Serial data interface
    • Sequential register read
    • Automatic write cycle
    • 100K write cycles
    • 10 year data retention
□ D/A SECTION
    • 4 channels
    • Resolution : 8-bits
    • Differential Non-Linearity : ±1.0 LSB
    • Linearity Error : ±2.0 LSB
    • Output Voltage Range : GND ∼ VCC
□ AUTO READ Function
□ Power down mode