L3037FN 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

L3037FN

SUBSCRIBER LINE INTERFACE CIRCUIT

STMicroelectronics 

L3037

L3037 PIN FUNCTIONALITY (PLCC44)

No.

1

2

3

4

5

6

7

8

9

10 to14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32 to 36

37

38

39

40

41

42

43

44

Name

VCC

ILTF

RDC

CF

BASE

BGND

VREG

STIP

TIP

VB

RING

SRING

CRT

ODET

RGIN

OGK

GST

D1

D0

LIM

VSS

REL

CREV

GREL

CAC

RS

ZB

VB

Tx

Rx

ZAC

TTXIN

RTTX

ACFD

AGND

IREF

Function

Supply input (+5V)

Analog output (current source)

Analog input (current input)

Analog input (voltage input)

Analog output (voltage source)

Ground input (0V)

Supply input (VREG)

Analog input (voltage input)

Analog output (voltage output)

Supply input (-VBAT)

Analog output (voltage output)

Analog input (voltage input)

Analog input/output (voltage input / current output)

Digital output (voltage output with internal pull up)

Analog input (current input)

Digital output (voltage output with internal pull up)

Digital input (voltage input, internal pull down)

Digital input (voltage input)

Digital input (voltage input)

Digital input (voltage input 3 levels: 0, +5, open)

Supply input (-5V)

Digital output (voltage output open drain)

Analog input/output (voltage input/current output)

Ground input (0V)

Analog input (current input)

Analog input/output (current output/voltage input)

Analog input (voltage input)

Supply input (-VBAT)

Analog output (voltage output)

Analog input (voltage input)

Analog output (voltage output)

Analog input (voltage input)

Analog output (voltage output)

Analog input (voltage input)

Ground input (0V)

Analog input/output (voltage output/current input)

L3037 FUNCTIONAL DIAGRAM

GREL REL

CRT

RGIN

OGK

ODET

D0

D1

GST

LIM

LOGIC

INTERFACE

&

DECODER

LINE

STATUS

TTXIN

RX

ZAC

ZB

TX

1

-

1+

2.32

1

AC

PROCESSOR

ICRT

VREF

ILT

ICRT

SUPERVISION

0 CROSS

DETECT.

COMMANDS

IA

ILT

(IA+IB)/200

1

IB

-1

ILL

(IA-IB)/200

LINE

INTERFACE

AC+DC

AC

(IA+IB)/200

DC

BIAS

REFERENCE

&

BIAS

SWITCHING

DC

PROCESSOR

IREV

SUPPLY

REGULATOR

D94TL136

2/22

ACFD RS

CAC RTTX

IREF VCC VSS AGND

CREV

VB

CF BASE

STIP

TIP

RING

SRING

BGND

VREG

ILTF

RDC

Share Link: