General Description
The AK9844A 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 AK9844A 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 : ±1.5 LSB
    ▪ Output Voltage Range : GND to VCC
□ AUTO READ Function
□ Power down mode