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參數(shù)資料
| 型號(hào)： | STLC30R80 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | INTEGRATED RINGING SLIC FOR SHORT LOOP APPLICATIONS |
| 中文描述： | 綜合振鈴用戶接口短環(huán)路應(yīng)用 |
| 文件頁(yè)數(shù)： | 3/13頁(yè) |
| 文件大?。?/td> | 172K |
| 代理商： | STLC30R80 |
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PIN DESCRIPTION
Pins
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Name
CSOUT
CSIN
D0
D1
D2
N.C.
N.C.
RES
V
DD
V
CC
CRT
N.C.
N.C.
SW
Description
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. (*)
Not connected
Not connected
Reset Input; active low. After activation the SLIC is put in Power Down state
Control interface Power Supply. V
DD
= 3.3V or V
DD
= V
CC
.
Positive Power Supply (+5V).
Ring-Trip time constant capacitor.
Not connected
Not connected
Internal switch/limiting current programming pin.
15
16
17
18
AGND
V
BAT
TX
ZB
Analog Ground
Negative Battery Supply.
4 wires output stage (Transmitting Port).
Cancelling input of Balance Network for 2 to 4 wires conversion.
19
20
21
22
RS
ZAC
ZAC1
RX
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.
Analog ground.
23
TTXIN
24
25
26
27
28
29
30
31
32
33
34
35
36
CAC
RDC
ILTF
RT2
RT1
AGND
RTH
RLIM
IREF
CREV
CSVR
BASE
VREG
37
38
39
40
BGND
RING
TIP
AGND
STLC30R80
3/13
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