stlc30r81 STMicroelectronics, stlc30r81 Datasheet - Page 10

• Manufacturer Part Number: stlc30r81
• Description: Integrated Ringing Slic For Short Loop Applications
• Manufacturer: STMicroelectronics

STLC30R81
Figure 9. Logic interface Input Timing
EXTERNAL COMPONENTS
Table 7. External Components
(*) I
(**) Alternative to a controlled power up sequence
10/17
LCP15xx
DS1 (**)
C
R
Name
RPR1
RPR2
RPT1
RPT2
C
R
C
C
C
C
RT
R
R
ZAC
C
C
COMP
RD
CH
LPCK
ZA
ZB
D1
D2
D3
R
SVR
VCC
REV
REF
VB1
VB2
TH
LIM
RT
AC
S
I
LIM
*
+10mA. The line drivers have output current limitation correspond to I
AC feedback compensation Capacitance
OFF/HOOK detection threshold setting
Internal current programming resistor
SLIC impedance balancing network
Battery ripple rejection capacitance
Line impedance balancing network
Ring Trip threshold setting resistor
Current limiting setting resistor
Polarity/reversal/transition time
Trans-Hybrid Freq. Comp Cap
AC/DC splitter Capacitance
Protection resistor image
Ground Key capacitance
Over voltage protection
Over voltage protection
Over voltage protection
2 Wire AC impedance
Power Up sequencer
Line series Resistor
Line series Resistor
Line series Resistor
Line series Resistor
Battery supply filter
Battery supply filter
Loop Back resistor
Power supply filter
t1
t2
t3
t4
t5
t6
programming
Function
resistor
100ns
100ns
500ns
100ns
100ns
500ns
Min
D0/D1/D2/D3
DET/GDK
CS
C
RD=100/I
C
REV
CSVR = 1/(2
COMP
C
RT
C
R
R
= K/( V
23.7K
AC
Z
TH
LIM
t1
I
= (25/Fring) 470nF
AC
= 2 / (2
REF
Rs = 25*2R
ZB = 25 · Z
ZA= 25 · Z
CH=Ccomp
RT
= 1/(2
= 200·[(0.6)/I
t4
= 10
Formula
= 25[Z
LIM
(*); 2K <RD<5K
= 0.6/R
TR
15
15
during the Ringing mode.
to 86.6K
30
30
3
/ T); K= 1/3750
·(0.6)/I
t3
S
/
/sp/R
/
-2R
P
t6
o
REF
S
L
P
1.3M )
100·R
P
LIM
TH
]
D
)
]
P
t2
t5
] )
10 F ±20% 15V @/sp = 10Hz
100nF 10% 100V @ 1.22Hz
220pF ±20% @ /
4.12K
470nF±20% 6V @25Hz
47nF for 5.67V/ms
100nF±20% 100V
100nF 20% 100V
500 1.5W ±20%
30 - 1/4W±1%
30 - 1/4W±1%
220pF ±20%
30.1K ±1%
100nF±20%
12.5K ±1%
26.1K ±1%
Typ. Value
2.5K ±1%
15K ±1%
15K ±1%
26K ±1%
1% @I
BAT 49X
1N4148
1N4148
1N4148
20
20
RTH
o
= 250KHz
=24mA