HC5513 datasheet(19/20 Pages) RENESAS

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HC5513

FN3963 Rev.12.00

Page 19 of 20

August 2003

Application Circuit

1 HPT

2 RD

3 DT

4 DR

5 TIPX

6 RINGX

7 BGND

8 VCC

9 RINGRLY

10 VBAT

11 RSG

HPR 22

VTX 21

VEE 20

RSN 19

AGND 18

RDC 17

C1 16

C2 15

DET 14

EO 13

E1 12

TIP

RING

VBAT

RRT

-5V

RF1

RF2

CRC

CTC

RINGING

(VBAT + 90VRMS)

VBAT

CHP (NOTE 32)

-5V

RTX

RDC1

CDC

RDC2

RFB

CODEC/FILTER

RRX

CRT

NOTE 31

-5V

RSG

U1 SLIC (Subscriber Line Interface Circuit)

HC5513

U2 Combination CODEC/Filter e.g.

CD22354A or Programmable CODEC/

Filter, e.g. SLAC

CDC 1.5F, 20%, 10V

CHP 10nF, 20%, 100V (Note 2)

CRT 0.39F, 20%, 100V

CTC, CRC 2200pF, 20%, 100V

Relay Relay, 2C Contacts, 5V or 12V Coil

D1 - D5 IN4007 Diode

Surgector SGT27S10

PTC Polyswitch TR600-150

D6 Diode, 1N4454

RF1, RF2 Line Resistor, 20, 1% Match, 2 W

Carbon column resistor or thick film on

ceramic

R1, R3 200k, 5%, 1/4W

R2 910k, 5%, 1/4W

R4 1.2M, 5%, 1/4W

RB 18.7k,1%, 1/4W

RD 39k, 5%, 1/4W

RDC1, RDC2 41.2k, 5%, 1/4W

RFB 20.0k, 1%, 1/4W

RRX 280k, 1%, 1/4W

RT 562k, 1%, 1/4W

RTX 20k, 1%, 1/4W

RRT 150, 5%, 2W

RSG VBAT = -28V, RSG = 

VBAT = -48V, RSG = 21.4k, 1/4W 5%

NOTES:

31. It is recommended that the anodes of D3 and D4 be shorted to ground through a battery referenced surgector (SGT27S10).

32. To meet the specified 25dB 2-wire return loss at 200Hz, CHP needs to be 20nF, 20%, 100V.

FIGURE 21. APPLICATION CIRCUIT

+5V

RELAY

12V

PTC

Surgector

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