AK9822M View Datasheet(PDF) - Asahi Kasei Microdevices

Part Name

Description

Manufacturer

AK9822M

2K / 4Kbit EEPROM with 2ch 8bit D/A Converter

Asahi Kasei Microdevices 

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

Linearity Error

Output Voltage Range

: ‘1.0 LSB

: ‘1.5 LSB

: GND ∼ VCC

† Wide VCC operation

• EEPROM section

: 1.8V∼5.5V

• D/A Converter Section : 2.7V∼5.5V

† Power Down Function

DAD01E-00

Block Diagram

-1-

1999/05

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