參數(shù)資料
型號: HC55142IM
廠商: HARRIS SEMICONDUCTOR
元件分類: 模擬傳輸電路
英文描述: Low Power Universal SLIC Family
中文描述: TELECOM-SLIC, PQCC28
文件頁數(shù): 34/35頁
文件大小: 382K
代理商: HC55142IM
4-34
Basic Application Circuit
Pulse Metering 28 Lead SOIC Package
FIGURE 30. UniSLIC14 PULSE METERING BASIC APPLICATION CIRCUIT
V
TX
PTG
V
RX
ZT
RSYNC_REV
ILIM
R
OH
RD
SHD
GKD_LVM
C1
C2
C3
V
CC
RRLY
CH
V
BH
V
BL
RDC_RAC
CDC
DR
DT
CRT_REV_LVM
U1
AGND
SPM
3
4
8
9
10
11
12
13
14
20
1
15
16
17
18
19
21
22
23
24
25
27
2
28
26
CONTROL LOGIC
R
4
R
6
R
7
R
8
R
5
R
9
R
10
R
11
CODEC/FILTER
12/16KHz
PULSE METERING
INPUT SIGNAL
C
1
+5V
RELAY
C
2
R
1
C
3
R
P
RING
TIP
R
P
R
2
R
3
VBAT
RING
GENERATOR
C
4
R
12
C7
+5V
-24V
C
5
-48V
C
6
TIP
RING
BGND
U2
5
6
7
C
8
C
9
+5V OR
+12V
D
1
OPTIONAL
C10
C11
PERFORM TRANSHYBRID BALANCE
WHEN USING A NON-DSP CODEC.
NOT REQUIRED FOR DSP CODEC.
NOT REQUIRED FOR
NON-DSP CODEC’s.
REQUIRED FOR DSP CODEC’s
TABLE 5. BASIC APPLICATION CIRCUIT COMPONENT LIST
COMPONENT
VALUE
TOLERANCE
RATING
U1 - SLIC
UniSLIC14 Family
N/A
N/A
U2 - Dual Asymmetrical Transient Voltage Suppressor
TISP1072F3
30
26.1k
2M
41.2k
38.3k
33.2k
34.8k
107k
20k
400
0.1
μ
F
0.1
μ
F
0.1
μ
F
0.47
μ
F
4.7
μ
F
2200pF
N/A
N/A
RP (Line Feed Resistors)
Matched 1%
2.0W
R1 (RDC_RAC Resistor)
1%
1/16W
R2, R3
1%
1/16W
R4 (RD Resistor)
1%
1/16W
R5 (ROH Resistor)
1%
1/16W
R6 (RILIM Resistor)
1%
1/16W
R7 (RSYNC_REV Resistor)
1%
1/16W
R8 (RZT Resistor)
1%
1/16W
R9, R10, R11
1%
1/16W
R12
5%
2W
C1 (Supply Decoupling), C2
20%
10V
C5 (Supply Decoupling)
20%
50V
C6 (Supply Decoupling)
20%
100V
C4, C7, C10, C11
20%
10V
C3
20%
50V
C8, C9
20%
100V
D1, Recommended if the VBL supply is not derived from the VBH Supply
1N4004
-
-
Design Parameters
: Maximum on hook voltage = 0.775V
RMS
, Maximum off hook voice = 1.1V
PEAK
, Maximum simultaneous pulse metering signal
= 2.2V
RMS
, Switch Hook Threshold = 12mA, Loop Current Limit = 31mA, Synthesize Device Impedance = 540
(600 - 60), with 30
protection
resistors, impedance across Tip and Ring terminals = 600
. Where applicable, these component values apply to the Basic Application Circuits for
the HC55120, HC55121, HC55130/1, HC55140/1, HC55142/3 and HC55150/1. Pins not shown in the Basic Application Circuit are no connect (NC)
pins.
HC55120, HC55121, HC55130, HC55131, HC55140, HC55141, HC55142, HC55143, HC55150, HC55151
相關(guān)PDF資料
PDF描述
HC55143 Low Power Universal SLIC Family
HC55143IM Low Power Universal SLIC Family
HC55150 Low Power Universal SLIC Family
HC55150CB Low Power Universal SLIC Family
HC55150CM Low Power Universal SLIC Family
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