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STLC30R81

* Input pins provided with 15µA sink to AGND pull-down

ABSOLUTE MAXIMUM RATINGS

Note:

OPERATING RANGE

24

RG+

In

Sinusoidal ring signals input stage. A 100K external resistor must be connected to

AGND to bias the input stage

25

RG-

In

Sinusoidal ring signals input stage. A 100K external resistor must be connected to

AGND to bias the input stage. If not used must be tied to ground.

26

CAC

In

AC feed back input / AC-DC split capacitor is connected between this node and ILTF

27

RD

In

Ring trip threshold setting resistor

28

ILTF

In

Transversal Line Current Image

29

AGND

In

Analog Ground

30

N.C.

No Connection

31

RTH

In

Off-Hook threshold programming pin

32

RLIM

In

Limiting current programming pin

33

IREF

In

Voltage reference output to generate internal reference current

34

N.C.

No Connection.

35

CSVR

In

Battery supply filter capacitor.

36

N.C.

No Connection

37

BGND

In

Battery Ground

38

RING

Out

B wire termination output. IB is the current sunk into this pin.

39

RLPBK

In

External loop back resistor connects with this pin and tip

40

N.C.

No Connection.

41

TIP

Out

A wire termination output. IA is the current sourced from this pin.

42

N.C.

No Connection.

43

DET

Out

Off-Hook and Ring-Trip detection bit active low

44

GDK/AL

Out

Ground-key detection bit active low

Symbol

Parameter

Value

Unit

Battery voltage

V

Positive supply voltage

-0.4 to +7

V

Control interface Supply Voltage

-0.4 to +7

V

A/R/BGND

AGND respect BGND

-2 to +2

V

Symbol

Parameter

Value

Unit

Operating temperature range

-40 to 85

°C

Positive supply voltage

3.3 to 3.6

V

Control interface Supply Voltage

3 to 5.5

V

Battery voltage

-40 to –22

V

Battery voltage

-74 to –65

V

A/BGND

AGND respect BGND

-0.3 to +0.3

V

PIN DESCRIPTION (continued)

N°

Pin

Type

Function