UPC667CT 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPC667CT

10-BIT D/A CONVERTER

NEC => Renesas Technology 

µPC667

Pin Name

Pin No.

VREF

25

Input/

Output

Input

Function

Reference voltage

The output full-scale range is set

according to the voltage applied to

this pin. Apply standard 4.0 V.

When no adjustment is necessary,

connect the output from VROUT pin

directly to this pin.

AOUT

26

Output Analog signal

Analog signal output pin.

Equivalent Circuit

AVCC

5 kΩ

AGND

20 µA

AGND

AVCC

AVCC

112.5 Ω

225 Ω

112.5 Ω

AGND

112.5 Ω

R-2R

Ladder

resistance

COMP

27

— Phase compensation

Phase compensating capacitor

connection pin for full-scale ampli-

fier. Approx. 0.1 µF capacitor must

be connected between this pin and

AVCC pin.

AVCC

AGND AGND

AVCC

9.7 kΩ 9.7 kΩ

AGND

AVCC

AVCC

AVCC

AGND

NC

24, 28

23, 29

13, 15 to 19

— Power supply for analog circuit

— Ground for analog circuit

— No Connection

AGND

AGND

AVCC

COMP

AGND

5

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