STLC3080 STMicroelectronics, STLC3080 Datasheet - Page 3

• Manufacturer Part Number: STLC3080
• Description: IC INTERFACE LINE SUBSCRB 44TQFP
• Manufacturer: STMicroelectronics

Specifications of STLC3080

• Function: Subscriber Line Interface Concept (SLIC)
• Number Of Circuits: 1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 5.5mA
• Power (watts): 1.1W
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Includes: Automatic Activation Mode, BORSCHT Functions, Ring Trip Detection, Slave Mode
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -

PIN DESCRIPTION
* Input pins provided with 15 A sink to AGND pull-down.
Pins
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
1
2
3
4
5
6
7
8
9
CKRING
GDK/ AL
CSOUT
RGND
MODE
TTXIN
AGND
CREV
CSVR
VREG
BGND
Name
RELR
BASE
ZAC1
REL1
REL0
RING
CSIN
RLIM
RDC
IREF
RES
CRT
V
CAC
ILTF
RTH
PCD
ZAC
DET
RT2
RT1
V
V
TIP
RS
RX
D0
D1
D2
R0
R1
TX
ZB
BAT
DD
CC
Chip-Select for output control bits DET and GDK . Active Low. (*)
Chip-Select for input control bits latches D0 D1 D2 R0 R1 . Active Low. (*)
Control Interface input bit 0. (*)
Control Interface input bit 1. (*)
Control Interface input bit 2. (*)
Relay driver 0 command. Active High. (*)
Relay driver 1 command. Active High. (*)
Reset Input; active low.
Control interface Power Supply. V
Positive Power Supply (+5V).
Ring-Trip time constant capacitor.
Relay 1 driver output.
Relay 0 driver output.
Ringer Relay driver output.
Relay drivers ground.
Negative Battery Supply.
4 wires output stage (Transmitting Port).
Cancelling input of Balance Network for 2 to 4 wires conversion.
Protection resistors image. The image resistor is connected between this node and ZAC.
AC impedance synthesis.
RX buffer output/ AC impedance is connected between this node and ZAC.
4 wires input stage (Receiving Port). A 100K external resistor must be connected to AGND to
bias the input stage.
Metering Signal Input (AC) and Line Voltage Drop Programming (DC). If not used must be connectd
to AGND.
AC feedback input/ AC-DC split capacitor is connected between this node and ILTF.
DC current feedback input. The RDC resistor is connected between this node and ILTF.
Transversal Line Current Image.
Input pin to sense ringing current , for Ring-Trip detection.
Input pin to sense ringing current , for Ring-Trip detection.
Analog ground.
Off-Hook threshold programming pin.
Limiting current programming pin.
Voltage reference output to generate internal reference current.
Reverse polarity transition time programming.
Battery supply filter capacitor.
Driver of the external transistor. Connected to the base.
Regulated voltage. Provides the negative supply to the power line drivers. It is connected to the
emitter of the external transistor.
Battery ground.
B wire termination output. IB is the current sunk into this pin.
A wire termination output. IA is the current sourced from this pin.
Power Cross Detection Input
Interface Control Mode selection.
Clock at ringing frequency for relay synch and time reference for Automatic activation
Off-hook and Ring-Trip detection bit. Tri-State Output/Active Low.
Ground-Key/Alarm detection bit. Tri-State Output. Active Low.
DD
= 3.3V or V
Description
DD
= V
CC
.
STLC3080
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