參數(shù)資料
型號: HC55120CMZ
廠商: INTERSIL CORP
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
封裝: ROHS COMPLIANT, PLASTIC, MS-018AB, LCC-28
文件頁數(shù): 33/36頁
文件大小: 701K
代理商: HC55120CMZ
33
FN4659.13
June 1, 2006
Basic Application Circuit - Voice Only 28 Lead SOIC Package
FIGURE 29. UniSLIC14 VOICE ONLY BASIC APPLICATION CIRCUIT
V
TX
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
C
1
+5V
RELAY
C
2
R
1
C
3
R
P
RING
TIP
R
P
R
2
R
3
V
BAT
RING
GENERATOR
CONTROL LOGIC
R
4
R
6
R
7
R
8
R
5
R
9
R
10
R
11
CODEC/FILTER
C
4
R
12
U1
1
3
4
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
27
C7
+5V
-24V
C
5
-48V
C
6
AGND
28
TIP
RING
BGND
U2
5
6
7
C
8
C
9
SPM
26
+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 4. BASIC APPLICATION CIRCUIT COMPONENT LIST
COMPONENT
VALUE
TOLERANCE
RATING
U1 - SLIC
UniSLIC14 Family
N/A
N/A
U2 - Dual Asymmetrical Transient Voltage Suppressor
TISP1072F3
N/A
N/A
RP (Line Feed Resistors)
30
Matched 1%
2.0W
R1 (RDC_RAC Resistor)
21k
1%
1/16W
R2, R3
2M
1%
1/16W
R4 (RD Resistor)
41.2k
1%
1/16W
R5 (ROH Resistor)
38.3k
1%
1/16W
R6 (RILIM Resistor)
33.2k
1%
1/16W
R7 (RSYNC_REV Resistor)
34.8k
1%
1/16W
R8 (RZT Resistor)
107k
1%
1/16W
R9, R10, R11
20k
1%
1/16W
R12
400
5%
2W
C1 (Supply Decoupling), C2
0.1
μ
F
20%
10V
C5 (Supply Decoupling)
0.1
μ
F
20%
50V
C6 (Supply Decoupling)
0.1
μ
F
20%
100V
C4, C7, C10, C11
0.47
μ
F
20%
10V
C3
4.7
μ
F
20%
50V
C8, C9
2200pF
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 = 3.2V
PEAK
, 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, HC55140, HC55142, HC55143, HC55150
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