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L3037FN 数据表(PDF) 13 Page - STMicroelectronics

部件名 L3037FN
功能描述  SUBSCRIBER LINE INTERFACE CIRCUIT
PDF  22 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L3037FN 数据表(HTML) 13 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
INSERTION LOSS
Gt
Transmit V Gain
0dBm, 1KHz
-6.22
-5.82
dB
Gr
Receive V Gain
-0.2
0.2
dB
INSERTION LOSS vs. FREQUENCY (rel 1KHz / 0dBm)
Gt
Transmit V Gain
0.3 to 3.4KHz
-0.1
0.1
dB
Gr
Receive V Gain
-0.1
0.1
dB
METERING INJECTION
GTTX
Transfer Gain
VTTXIN = 0.66Vrms ZL =200
Ω;
2
⋅ RP =80Ω;Vmoff =0
3.18
3.51
THD
Harmonic Distortion
5
%
GAIN LINEARITY (rel 1KHz, -4dBm)
Gt
Transmit V Gain
-55dBm to 7dBm (1)
-0.1
0.1
dB
Gr
Receive V Gain
-0.1
0.1
dB
GROUP DELAY (2-4, 4-2) 0DbM
TgABS
Absolute
3KHz
5
µs
TgDIS
4 to 2-wire
0.5 to 3,4KHz
5
µs
TOT HARMONIC DISTORTION
Thd4
2 to 4-wire
7dBm, 0.3 to 3.4KHz
-46
dB
Thd2
4 to 2-wire
-46
dB
IDLE CHANNEL NOISE
Vabp
2-wire port
psophometric
-78
-72
dBmP
Vtxp
4-wire transmit
psophometric
-82
-76
dBmP
Vabc
2-wire port
c message
12
18
dBr nC
Vtxc
4-wire transmit
c message
8
14
dBr nC
RINGING FUNCTION
0 cross
Zero Crossing Threshold Level
fRING = 16 to 66Hz
RGIN = 3Vrms
-70
70
mV
IRT
Ring Trip Threshold
7.5
mA DC
TRTD
Ring Trip Detection Time
RL = 1.8k, fRING = 25Hz
150
ms
BATTERY FEED CHARACTERISTIC
POWER DOWN STATE
ILGND
Loop Current
TIP or RING to BGND
0.5
mA
ILBAT
Loop Current
TIP or RING to Vbat
0.5
mA
IL
Loop Current
RL =0
1
mA
STAND BY STATE
Il
Iloop Accuracy
constant region
13
16
mA
VLOS
Line Voltage
@ IL = 0
40
42
V
ACTIVE STATE
VLO
Line Voltage
@ IL = 0
34.5
37.5
V
Rfeed
Feeding Resistance Accuracy
-10
+10
%
Ilim
Loop Current Limit Accuracy
Ilim = 25mA, 44mA, 55mA
-8
Ilim
+8
%
GROUND START STATE
ZTIP
Tip Lead Impedance
100
K
Ω
IGS
Ring Lead Current
RING to GND
30
mA
(1) For level lower than -40dB guaranteed by correlation.
L3037
13/22



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