HC-5524 查看數據表（PDF） - Harris Semiconductor

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HC-5524

SLIC Subscriber Line Interface Circuit

Harris Semiconductor 

HC-5524

Functional Diagram (Continued)

PLCC

38

TF2

39

TF1

R

TF -

+

22

TIP

R

R

R

R

4.5kΩ

VRX

OUT 1

27

19

R

-IN 1

20

VFB

37

2R

-

+

OP AMP

R/2

RF1

2R

2R

TA

-

+

2R

SHD

24

RING

25

RFS

42

RF2

41

RF1

100kΩ

100kΩ

100kΩ

100kΩ

4.5kΩ

25kΩ

LA

-

+

25kΩ

90kΩ

90kΩ

90kΩ

RTD

GKD

RF

-

+

90kΩ

4

C1

VB/2

REF

31

C2

FAULT

DET

GM -

+

NOTES:

6. R = 108kΩ.

7. NC = 1, 5, 6, 7, 14, 15, 16, 21 23, 26, 28, 29, 30, 40.

VTX

32

VB+

3

DG

35

AG

2

44

BIAS

NETWORK

43

8

9

SH

10

THERM

LTD

TSD

13

33

GK

34

36

11

12

RFC

17

RF2

18

ILIMIT

BG

VB-

F1

F0

RS

TST

PRI

PR

RD

SHD

GKD

ALM

7

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