STLC30R81

12/17

STLC30R81 plus external generic CODEC or Ringing Waveform Generator

Figure 11. STLC30R81 plus Generic Ringing Source - Application Diagram

ELECTRICAL CHARACTERISTICS

The limits listed below are guaranteed with the specified test condition and in the 0 to 70°C temperature range.

Performance over -40 to +85°C range are guaranteed by product characterization.

AC CHARACTERISTICS

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Long Impedance

Each Wire

40

Ω

Long Current Capability AC

H.I feeding / wire (On-Hook)

5

mApk

Standby

13

mApk

Active per wire Ilim=current

limited in active mode (see also

Ilim+

mApk

L/T

Long. To Transv.

With normal Rp value

@ f = 1KHz

60

dB

T/L

Transv. To Long.

40

dB

2wRL

2W return loss

300 to 3400Hz

22

dB

D01TL515A

(*) Single ended mode: Rg-pin connected to GND. Differential mode

(**) ALTERNATIVE TO A CONTROLLED POWER UP SEQUENCE

CRX+

CH

100K

23

RXin+

ILTF

RD

CAC

CAC

28

27

26

4

5

D2

43

DET

44

GDK/AL

3

D0

2

CS

RING

41

TIP

38

25

14

16

TIP

RING

from external

CODEC or

Ringing Waveform

Generator

35

STLC30R81

LCP

1521S

CRT

D1

7

31

11

RES

RTH

CRT

RTH

RLIM

RXin-

22

6

D3

0.1

µF

0.1

µF

CRX-

17

TX

CTX 100nF

CONTROL

WORD

TO OTHER SLICs

AGND

BGND

32

RLIM

REF

33

IREF

12

29

37

10

9

CREV

CREV

CSRV

CSRV

GRX=+6dB

GTX=-12dB

(*)

Rg-

VBAT1

VBAT2

D1

D2

D3

100K

RD

24

100K

100K

Rg+

ZA

ZAC

ZB

ZAC

RS

ZB

RS

20

19

21

ZAC1

18

RLPBK

RLPBK

39

DS1

(**)