ASAHI KASEI
[AK9822/24]
AK9822 / 24
2K / 4Kbit EEPROM with 2ch 8bit D/A Converter
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
Block Diagram
DAD01E-00
-1-
1999/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
