PBL38665/2SHT Ver la hoja de datos (PDF) - Ericsson
Número de pieza
componentes Descripción
Fabricante
PBL38665/2SHT Datasheet PDF : 18 Pages
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Preliminary
PBL 386 65/2
Electrical Characteristics
-40 °C ≤ TAmb ≤ +85 °C, VCC = +5V ±5 %, VEE = -5V ± 5%, VBat = -58V to -40V, RLC=18.7kΩ, IL = 27 mA, ZL = 600 Ω, RF1, RF2 =0 Ω,
RRef = 15kΩ, CHP = 68nF, CLP=0.33 µF, RT = 120 kΩ, RSG = 24 kΩ, RRX = 120 kΩ, AOV- and VBat2 pin not connected, unless
otherwise specified. Current definition: current is positive if flowing into a pin.
Parameter
Ref
fig
Conditions
Min
Typ
Max
Unit
Two-wire port
Overload level, VTRO ,ILDC ≥ 10 mA
On-Hook, ILDC ≤ 5 mA
Input impedance, ZTR
Longitudinal impedance, ZLoT, ZLoR
Longitudinal current limit, ILoT, ILoR
Longitudinal to metallic balance, BLM
Longitudinal to metallic balance, BLME
BLME = 20 • Log
ELO
VTR
2
Active state
1% THD, Note 1
Note 2
0 < f < 100 Hz
3.1
VPeak
1.4
VPeak
ZT/200
20
35
Ω/wire
active state
28
3 IEEE standard 455-1985, ZTRX=736Ω, active state
Normal polarity:
mArms /wire
0.2 kHz < f < 1.0 kHz, Tamb 0-70°C 63
dB
1.0 kHz < f < 3.4 kHz, Tamb 0-70°C 58
dB
0.2 kHz < f < 1.0 kHz, Tamb -40-85°C 58
dB
1.0 kHz < f < 3.4 kHz, Tamb -40-85°C 54
dB
Reverse polarity:
0.2 kHz < f < 3.4 kHz, Tamb -40-85°C 54
dB
3 Active state
Normal polarity:
0.2 kHz < f < 1.0 kHz, Tamb 0-70°C 63
dB
1.0 kHz < f < 3.4 kHz, Tamb 0-70°C 58
dB
0.2 kHz ≤ f ≤ 1.0 kHz, Tamb -40-85°C 58
dB
1.0 kHz < f < 3.4 kHz, Tamb -40-85°C 54
dB
Reverse polarity:
0.2 kHz < f < 3.4 kHz, Tamb -40-85°C 54
dB
Longitudinal to four-wire balance, BLFE
3 Active state
Normal polarity:
BLFE = 20 • Log
ELO
VTX
0.2 kHz < f < 1.0 kHz, Tamb 0-70°C 69
dB
1.0 kHz < f < 3.4 kHz, Tamb 0-70°C 64
dB
0.2 kHz ≤ f ≤ 1.0 kHz, Tamb -40-85°C 64
dB
1.0 kHz < f < 3.4 kHz, Tamb -40-85°C 60
dB
Reverse polarity:
0.2 kHz < f < 3.4 kHz, Tamb -40-85°C 54
dB
Metallic to longitudinal balance, BMLE
4 Active state
0.2 kHz < f < 3.4kHz
40
dB
BMLE = 20 • Log
VTR
VLO
Figure 2. Overload level, VTRO, two-wire
port
1
ωC
<<
RL,
RL=
600
Ω
R
T
=
120
kΩ,
R
RX
=
120
kΩ
C
TIPX
VTX
RL
VTRO
ILDC
PBL 386 65/2
RT
E RX
RINGX RSN
RRX
Figure 3. Longitudinal to metallic (BLME)
and Longitudinal to four-wire (BLFE)
balance
1
ωC
<< 150 Ω, RLR = RLT = RL /2= 300Ω
R
T
=
120
kΩ,
R
RX
=
120
kΩ
ELo C
TIPX
VTX
RLT
VTR PBL 386 65/2
RLR
RINGX
RSN
RT
V TX
RRX
3
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