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L3037FN Datasheet(PDF) 12 Page - STMicroelectronics

Part # L3037FN
Description  SUBSCRIBER LINE INTERFACE CIRCUIT
PDF  22 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L3037FN Datasheet(HTML) 12 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
4 WIRE RECEIVE PORT
ZRX
Input Impedance
100
K
Ω
VRX
Overload Level
3.2
Vpk
METERING INPUT PORT
ZMIN
Input Impedance
100
K
Ω
LOGIC CONTROL PORT
INPUT D0, D1, GST
Vih
Input High Voltage
2
V
Vil
Input Low Voltage
0.8
V
Iih
Input High Current
-10
90
µA
Iil
Input Low Current
-10
10
µA
Cin
Input Capacitance
10
pF
INPUT LIM
Vih
Input High Voltage
2.4
V
Vil
Input Low Voltage
0.4
V
Iih
Input high Current
-10
30
µA
Iil
Input Low Current
-30
10
µA
Cin
Input Capacitance
10
pF
OUTPUT DET
Vol
Output Low Voltage
Io = 2mA
0.4
V
Voh
Output High Voltage
Io =30
µA
Io
≤10µA
2.4
3.8
V
V
Cld
Load Capacitance
150
pF
RINGING INPUT PORT
Overload Level
-0.5
0.5
V
Input Impedance
50
90
K
Ω
Offset Voltage Allowed
-15
15
mV
TRANSMISSION PERFORMANCE
Arl
Return Loss (2-wire)
300Hz to 3.4KHz
22
dB
Thl
Transhibrid Loss
300Hz to 3.4KHz
20log10
VRX
VTX
30
dB
Longitudinal balance (CCITT Rec.0.121)
L-T
Longit to Transversal
300Hz to 3.4KHz
ZS = 600
Ω
RP =40
Ω, 1% tolerance
52
dB
L-4
Long Sign Rejection
58
dB
T-L
Transvers to Longit
49
dB
4-L
Long Sign Generation
49
dB
Selected L3037 Longitudinal balance (IEEE Std 455-1976)
L – T
Longitudinal to Transversal
300Hz to 3.4KHz
ZS = 900
Ω + 2.12µF
RP =62
Ω, 1% match
58
63
dB
L – 4
Longitudinal Signal Rejection
70
dB
L3037
12/22



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