ASAHI KASEI
[AK9822/24]
AK9822 / 24
2K / 4Kbit EEPROM with 2ch 8bit D/A Converter
General Description
The AK9822/24 i...
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 -11999/05
ASAHI KASEI
[AK9822/24]
Ordering Guide
AK9822M AK9824M
-40°C∼+85°C -40°C∼+85°C
8pin SSOP 8pin SSOP
Pin Layout
Pin Description No. 1 2 3 4 5 6 7 8 Pin Name AO1 CS SK DO GND DI VCC AO0 I/O O I I O I O Analog Output Pin Chip Select Pin Serial Clock Pin Serial Data Output Pin Ground Pin Serial Data Input Pin Power Supply Analog Output Pin (Schmitt-trigger input) (Schmitt-trigger input) Function
DAD01E-00 -2-
1999/05
ASAHI KASEI
[AK9822/24]
Functional Description
The AK9822/24 is composed of EEPROM and the 8bit D/A converter of two channels with the output buffer amplifie...