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STLC30R81 데이터시트(PDF) 3 Page - STMicroelectronics

부품명 STLC30R81
상세설명  INTEGRATED RINGING SLIC FOR SHORT LOOP APPLICATIONS
PDF  17 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLC30R81 데이터시트(HTML) 3 Page - STMicroelectronics

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STLC30R81
* 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 VBAT1, VCC present and VBAT2 floating the Absolute Maximum Rating can
be exceeded. This effect can be prevented ensuring that VBAT2 is always present before VBAT1and VCC or connecting one schottky
diode (e.g. BAT49X or equivalent between .VBAT1and VBAT2).
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
VBAT
Battery voltage
-82 +VCC
V
VCC
Positive supply voltage
-0.4 to +7
V
VDD
Control interface Supply Voltage
-0.4 to +7
V
A/R/BGND
AGND respect BGND
-2 to +2
V
Symbol
Parameter
Value
Unit
Topt
Operating temperature range
-40 to 85
°C
VCC
Positive supply voltage
3.3 to 3.6
V
VDD
Control interface Supply Voltage
3 to 5.5
V
VBAT1
Battery voltage
-40 to –22
V
VBAT2
Battery voltage
-74 to –65
V
A/BGND
AGND respect BGND
-0.3 to +0.3
V
PIN DESCRIPTION (continued)
N°
Pin
Type
Function



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