AK9813B 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK9813B

12ch 8bit D/A Converter with EEPROM

Asahi Kasei Microdevices 

ASAHI KASEI

[AK9813B]

AK9813B

12ch 8bit D/A Converter with EEPROM

General Description

The AK9813B includes 12 channel, 8bit D/A converters with on-chip output buffer amps and it is

capable to store the input digital data of each DAC by on-chip non-volatile CMOS EEPROM. The

AK9813B is optimally designed for various circuit adjustments for consumer and industrial

equipments and it is ideally suited for replacing mechanical trimmers.

Features

… EEPROM SECTION

・12 words x 8bit x 4 organization for DAC

… D/A CONVERTER SECTION

・12 channels

・Resolution : 8bit

・DNL

: -1 to +2 LSB

・INL

: ±1.5 LSB

・Analog Output Voltage Range : GND to VCC

… Operating Voltage Range

・Digital section : 2.7V to 5.5V

・Analog section : 4.5V to 5.5V, 2.7V to 3.6V

… 24pin VSOP

DO

SEL

ECL

CS/LD

EA0

EA1

VCC

GND

CLK DI

Shift

Register

Control Logic

Channel

& Address 8

Decoder

EEPROM

384bit

(12 x 8bit x 4)

VDD VSS

8bit Latch 8 8bit D/A

--

+

AO1

8bit Latch 8 8bit D/A

--

+

AO2

8bit Latch 8 8bit D/A

--

+

AO11

8bit Latch 8 8bit D/A

--

+

AO12

Block Diagram

DAD04E-01

-1-

2002/11

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