stlc30r81 STMicroelectronics, stlc30r81 Datasheet - Page 3

• Manufacturer Part Number: stlc30r81
• Description: Integrated Ringing Slic For Short Loop Applications
• Manufacturer: STMicroelectronics

PIN DESCRIPTION (continued)
* Input pins provided with 15µA sink to AGND pull-down
ABSOLUTE MAXIMUM RATINGS
Note: 1. In case of power up, power failure or hot insertion with V
OPERATING RANGE
A/R/BGND AGND respect BGND
A/BGND
Symbol
Symbol
V
V
N°
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
V
V
V
V
V
T
BAT1
BAT2
BAT
opt
CC
DD
CC
DD
be exceeded. This effect can be prevented ensuring that V
diode (e.g. BAT49X or equivalent between .V
GDK/AL
RLPBK
BGND
AGND
CSVR
RING
RLIM
IREF
RG+
CAC
ILTF
N.C.
RTH
N.C.
N.C.
N.C.
N.C.
DET
RG-
Battery voltage
Positive supply voltage
Control interface Supply Voltage
Operating temperature range
Positive supply voltage
Control interface Supply Voltage
Battery voltage
Battery voltage
AGND respect BGND
Pin
TIP
RD
Type
Out
Out
Out
Out
In
In
In
In
In
In
In
In
In
In
In
In
Sinusoidal ring signals input stage. A 100K external resistor must be connected to
AGND to bias the input stage
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.
AC feed back input / AC-DC split capacitor is connected between this node and ILTF
Ring trip threshold setting resistor
Transversal Line Current Image
Analog Ground
No Connection
Off-Hook threshold programming pin
Limiting current programming pin
Voltage reference output to generate internal reference current
No Connection.
Battery supply filter capacitor.
No Connection
Battery Ground
B wire termination output. IB is the current sunk into this pin.
External loop back resistor connects with this pin and tip
No Connection.
A wire termination output. IA is the current sourced from this pin.
No Connection.
Off-Hook and Ring-Trip detection bit active low
Ground-key detection bit active low
Parameter
Parameter
BAT1
and V
BAT2
BAT1
BAT2
).
, V
is always present before V
CC
present and V
Function
BAT2
floating the Absolute Maximum Rating can
BAT1
and V
-0.3 to +0.3
-40 to –22
-74 to –65
-0.4 to +7
-0.4 to +7
-82 +V
3.3 to 3.6
-40 to 85
-2 to +2
3 to 5.5
Value
Value
CC
or connecting one schottky
CC
STLC30R81
Unit
Unit
V
V
V
V
V
V
V
V
V
C
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