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ELECTRIC

MITSUBISHI

M62366GP

MITSUBISHI<Dig.Ana.INTERFACE>

3V TYPE 8-BIT 12CH D-A CONVERTER WITH BUFFER AMPLIFIERS

2

EXPLANATION OF TERMINALS

Pin No.

Symbol

Function

17

14

16

15

18

19

2

3

4

5

6

7

8

9

DI

Do

CLK

LD

Ao2

Serial data input terminal to input 12-bit long serial data

When H-level signal is input to this terminal,the value stored in 12-bit shift register is loaded

in decoder and D-A converter output register

D-A converter lower reference voltage input terminal

Ao3

8-bit D-A converter output terminal

Terminal to output MSB data of 12-bit shift register

Shift clock input terminal.Input signal at DI pin is input to 12-bit shift register at rise of shift clock pulse

Power supply terminal

12

13

11

20

10

1

GND terminal

GND

Ao4

Ao5

Ao6

Ao7

Ao8

Ao1

Ao9

Ao10

Ao11

Ao12

D-A converter upper reference voltage input terminal

BLOCK DIAGRAM FOR EXPLANATION OF TERMINALS

20

11

10

18

13

1

GND

Vcc

(VrefU)

Vss

(VrefL)

Ao1

Ao12

12-BIT SHIFT REGISTER

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

ADDRESS DECODER

...............

8-BIT

LATCH

............

8-BIT

LATCH

............

..............................................12

..............................................

...................................................................................................

12

4

3

2

1

D7

D0

D7

D0

12

8

-

-

14

15

Do

LD

17

16

DI

CLK

8-BIT

R-2R + SEGMENT

D-A CONVERTER

8-BIT

R-2R + SEGMENT

D-A CONVERTER

1