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STLC30R81 データシート(PDF) 10 Page - STMicroelectronics

部品番号 STLC30R81
部品情報  INTEGRATED RINGING SLIC FOR SHORT LOOP APPLICATIONS
PDF  17 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLC30R81 データシート(HTML) 10 Page - STMicroelectronics

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STLC30R81
10/17
Figure 9. Logic interface Input Timing
EXTERNAL COMPONENTS
Table 7. External Components
(*) IRT
≤ILIM+10mA. The line drivers have output current limitation correspond to ILIM during the Ringing mode.
(**) Alternative to a controlled power up sequence
Name
Function
Formula
Typ. Value
RREF
Internal current programming resistor
IREF = 0.6/RREF
30.1K
Ω±1%
CSVR
Battery ripple rejection capacitance
CSVR = 1/(2
π ⋅ /P⋅ 1.3MΩ)
100nF
±10% 100V @ 1.22Hz
CVCC
Power supply filter
100nF±20%
CVB1
Battery supply filter
100nF±20% 100V
CVB2
Battery supply filter
100nF
±20% 100V
RD
Ring Trip threshold setting resistor
RD=100/IRT(*); 2K
Ω<RD<5KΩ
4.12K
Ω±1% @IRTH =24mA
CRT
Ground Key capacitance
CRT = (25/Fring)
⋅ 470nF
470nF±20% 6V @25Hz
CAC
AC/DC splitter Capacitance
CAC = 1/(2
π⋅ /sp/RD)
10
µF ±20% 15V @/sp = 10Hz
RS
Protection resistor image
Rs = 25*2RP
2.5K
Ω±1%
ZAC
2 Wire AC impedance
ZAC = 25[ZS-2RP]
12.5K
Ω±1%
ZA
SLIC impedance balancing network
ZA= 25 · ZS
15K
Ω±1%
ZB
Line impedance balancing network
ZB = 25 · ZL
15K
Ω±1%
CCOMP
AC feedback compensation Capacitance
CCOMP = 2 / (2
π ⋅ /o⋅ 100·RP] )
220pF ±20% @
/o = 250KHz
RPT1
Line series Resistor
≥30
30
Ω - 1/4W±1%
RPT2
Line series Resistor
≥15Ω
20
Ω
RPR1
Line series Resistor
≥30
30
Ω - 1/4W±1%
RPR2
Line series Resistor
≥15Ω
20
Ω
RLIM
Current limiting setting resistor
RLIM = 10
3·(0.6)/ILIM
26K
Ω±1%
RTH
*
OFF/HOOK detection threshold setting
resistor
RTH = 200·[(0.6)/ITH]
23.7K
Ω to 86.6KΩ
26.1K
Ω±1%
CREV
Polarity/reversal/transition time
programming
CREV = K/(
∆VTR/∆T); K= 1/3750
47nF for 5.67V/ms
CH
Trans-Hybrid Freq. Comp Cap
CH=Ccomp
220pF ±20%
LCP15xx
RLPCK
Loop Back resistor
500
Ω 1.5W ±20%
D1
Over voltage protection
1N4148
D2
Over voltage protection
1N4148
D3
Over voltage protection
1N4148
DS1 (**)
Power Up sequencer
BAT 49X
D0/D1/D2/D3
CS
DET/GDK
t1
t3
t2
t4
t5
t6
Min
t1
100ns
t2
100ns
t3
500ns
t4
100ns
t5
100ns
t6
500ns



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