參數(shù)資料
型號: HC55121IMZ
廠商: Intersil
文件頁數(shù): 26/36頁
文件大小: 0K
描述: IC SLIC UNIVERSAL LP 28-PLCC
標(biāo)準(zhǔn)包裝: 37
系列: UniSLIC14
功能: 用戶線路接口概念(SLIC)
電路數(shù): 1
電源電壓: 4.75 V ~ 5.25 V
電流 - 電源: 2.25mA
功率(瓦特): 1.5W
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 28-PLCC(11.51x11.51)
包裝: 管件
包括: 電池跟蹤抗削頂失真,回路和接地鍵檢測,振鈴控制
32
FN4659.13
June 1, 2006
Basic Application Circuit - Pulse Metering 28 Lead PLCC Package
FIGURE 28. UniSLIC14 PULSE METERING BASIC APPLICATION CIRCUIT
VTX
VRX
ZT
RSYNC_REV
ILIM
ROH
RD
SHD
GKD_LVM
C1
C2
C3
VCC
RRLY
CH
VBH
VBL
RDC_RAC
CDC
DR
DT
CRT_REV_LVM
C1
+5V
RELAY
C2
C3
RP
RING
TIP
RP
R2
R3
VBAT
RING
CONTROL LOGIC
R4
R6
R7
R8
R5
R9
R10
R11
CODEC/FILTER
C4
R12
U1
2
3
8
9
11
12
13
14
20
1
4
15
16
17
18
19
21
22
23
24
26
28
PTG
AGND
SPM
12/16kHz
PULSE METERING
INPUT SIGNAL
GENERATOR
R1
10
C7
+5V
-24V
C5
-48V
C6
25
27
TIP
RING
BGND
U2
5
6
7
C8
C9
+5V OR
+12V
D1
OPTIONAL
C10
C11
PERFORM TRANSHYBRID BALANCE
WHEN USING A NON-DSP CODEC.
NOT REQUIRED FOR
NON-DSP CODEC’s.
NOT REQUIRED FOR DSP CODEC.
REQUIRED FOR DSP CODEC’s
+-
TABLE 3. BASIC APPLICATION CIRCUIT COMPONENT LIST
COMPONENT
VALUE
TOLERANCE
RATING
U1 - SLIC
UniSLIC14 Family
N/A
U2 - Dual Asymmetrical Transient Voltage Suppressor
TISP1072F3
N/A
RP (Line Feed Resistors)
30
Matched 1%
2.0W
R1 (RDC_RAC Resistor)
26.1k
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
F
20%
10V
C5 (Supply Decoupling)
0.1
F
20%
50V
C6 (Supply Decoupling)
0.1
F
20%
100V
C4, C7, C10, C11
0.47
F
20%
10V
C3
4.7
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 = 0.775VRMS, Maximum off hook voice = 1.1VPEAK, Maximum simultaneous pulse metering
signal = 2.2VRMS, 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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