AK9844 View Datasheet(PDF) - Asahi Kasei Microdevices

Part Name

Description

Manufacturer

AK9844

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

Asahi Kasei Microdevices 

ASAHI KASEI

„ Ordering Guide

AK9844F

„ Pin Layout

-20 to 70°C

[AK9844]

14-pin SOP (1.27mm pitch)

„ Pin Description

No. Pin Name

1 GND

2 PROTECT

3 PD

4 VCC

5 VREF1

6 AO0

7 AO1

8 AO2

AO3

10 VREF2

11 CS

12 SK

13 DO

14 DI

I/O

Function

- Ground Pin, 0V

I Protect Pin

"L" : Programming to the D/A Section of EEPROM is

disabled.

"H" : Normal operation

I Power-down Pin

"L" : Power down mode

"H" : Normal mode

- Power Supply

I Voltage Reference Input1

The analog output ranges of the AO0 and the AO1 are set

by the VREF1 pin.

O Analog Output Pins (8-bit D/A outputs)

I Voltage Reference Input2

The analog output ranges of the AO2 and the AO3 are set

by the VREF2 pin.

I Chip Select Pin (Schmitt-trigger input)

I Serial Clock Pin (Schmitt-trigger input)

O Serial Data Input Pin

I Serial Data Output Pin

DAD02E-00

-2-

1999/05

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