TC7129 데이터 시트보기 (PDF) - Microchip Technology

부품명

상세내역

제조사

TC7129

4-1/2 Digit Analog-to-Digital Converters with On-Chip LCD Drivers

Microchip Technology 

TC7129

TABLE 2-1: PIN FUNCTION TABLE (CONTINUED)

Pin No.

Pin No.

Pin No.

40-Pin PDIP 44-Pin PQFP 44-Pin PLCC

Symbol

Function

36

34

40

DGND

Internal ground reference for digital section. See Section 4.2.1

“±5V Power Supply”.

37

35

41

RANGE

3 μA pull-down for 200 mV scale. Pulled high externally for 2V

scale.

38

36

42

39

37

43

40

38

44

DP2

DP1

OSC2

Internal 3 μA pull-down. When high, decimal point 2 will be on.

Internal 3 μA pull-down. When high, decimal point 1 will be on.

Output of first clock inverter. Input of second clock inverter.

—

6,17, 28, 39 12, 23, 34, 1

NC

No connection.

DS21459D-page 6

© 2006 Microchip Technology Inc.

Share Link: