
Asahi Kasei Microdevices
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