參數(shù)資料
型號(hào)： STLC3065
廠商： 意法半導(dǎo)體
英文描述： WLL SUBSCRIBER LINE INTERFACE CIRCUIT
中文描述： 環(huán)路用戶線路接口電路
文件頁數(shù)： 13/27頁
文件大?。?/td> 194K
代理商： STLC3065
EXTERNAL COMPONENTS
Name
Function
Formula
Typ. Value
RREF
Bias setting current
RREF = 1.3/Ibias
Ibias = 50
μ
A
CSVR = 1/(2
π
fp
1.8M
)
fp = 50Hz
26k
1%
CSVR
Negative Battery Filter
1.5nF 10%
100VL
RD
Ring Trip threshold setting
resistor
RD = 100/I
RTH
2K
< RD < 5K
4.12k
1%
@ IRTH = 24mA
CAC
AC/DC split capacitance
22
μ
F 20% 15VL
@ RD = 4.12k
41
1%
5k
@ Rp = 41
RP
Line protection resistor
Rp > 30
RS = 100
(Rp + 9
)
RS
Protection and series switches
resistance image
ZAC
Two wire AC impedance
ZAC = 50
(Zs - 2Rp - 18
)
25k
1%
@ Zs = 600
30k
1%
@ Zs = 600
30k
1%
@ Zl = 600
ZA (1)
SLIC impedance balancing
network
ZA = 50
Zs
ZB (1)
Line impedance balancing
network
ZB = 50
Zl
CCOMP
AC feedback loop compensation
CCOMP = 1/(2
π
fo
100
(RP+9
))
fo = 250kHz
120pF 10% 10VL
@ Rp = 41
120pF 10% 10VL
CH
Trans-Hybrid Loss frequency
compensation
CH = CCOMP
RLIM
Current limiting programming
RLIM = 1300/Ilim
32.5k
< RLIM < 65k
52.3k
1%
@ Ilim = 25mA
RTH
Off-hook threshold programming
(ACTIVEmode)
RTH = 260/I
TH
27k
< RTH < 52k
CREV = (1/3750)
T/
V
TR
)
28.7k
1%
@I
TH
= 9mA
CREV
Reverse polarity transition time
programming
22nF 10% 10V
@ 12V/ms
RTTX (3)
Pulse metering cancellation
resistor
RTTX = 50Re[(Zlttx+2Rp+18
)]
15k
@Zlttx = 200
real
100nF 10% 10V (2)
@ Zlttx = 200
real
27k
1%
@ V
LOTTX
= 275mVrms
CTTX (3)
Pulse metering cancellation
capacitor
CTTX = 1/{50
2
π
fttx[-lm(Zlttx)]}
RLV
Pulse metering level resistor
RLV = 63.3
10
3
α
V
LOTTX
α
= (|Zlttx + 2Rp + 18
|/|Zlttx|)
CS =
τ
/(2
RLV)
CS
Pulse metering shaping
capacitor
100nF 10% 10V
@
τ
= 6ms, RLV = 27.1k
1nF 10% 10V
@fttx = 12kHz
RLV = 27k
100k
100nF 20% 10V
CFL
Pulse metering filter capacitor
CFL = 2/(2
π
fttx
RLV)
RDD
Pull up resistors
CVCC
Internally supply filter capacitor
CVpos
Positive supply filter capacitor
with low impedance for switch
mode power supply
100
μ
F(4)
CV
Battery supply filter capacitor
with low impedance for switch
mode power supply
100
μ
F 20% 100V (5)
CVB
High frequency noise filter
470nF 20% 100VL
STLC3065
13/27
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STLC3065Q 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:WLL SUBSCRIBER LINE INTERFACE CIRCUIT
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