TC514 Просмотр технического описания (PDF) - Microchip Technology

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Компоненты Описание

производитель

TC514

Precision Analog Front Ends with Dual Slope ADC

Microchip Technology 

TC500/A/510/514

+5V

+

Input 1

–

+

Input 2

–

+

Input 3

–

+

Input 4

–

Analog

Mux Control Logic

IBM®

Printer Port

2

Port

0378

3

Hex

10

25 1

18 CH1+ VDD VOUT

CAP–

28

13

CH1–

17 CH2+

26

CAP+

12 CH2–

CREF+ 7

16 CH3+

11 CH3–

CREF- 6

15 CH4+

VREF+ 9

10 CH4– TC514

20 A0

VREF- 8

1 μF

1 μF

10 kΩ

0.22 μF

MCP1525

10 kΩ

0.01 μF

10 kΩ

19 A1

22

A

21

B

23 CMPTR

BUF 4 100 kΩ

CAZ 3

CINT 2 0.22 μF

0.33 μF

ACOM 5

DGND

27

FIGURE 9-4:

TC514 To IBM® Compatible Printer Port.

DS21428E-page 22

© 2008 Microchip Technology Inc.

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