PBL38620/2SOT Просмотр технического описания (PDF) - Ericsson
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PBL38620/2SOT Datasheet PDF : 16 Pages
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PBL 386 20/2
Electrical Characteristics
0 °C ≤ TAmb ≤ +70 °C, PTG = open (see pin description), VCC = +5V ±5 %, VBat = -58V to -40V, VBAT2 = -17V, RLC=38.3 kΩ, IL = 22 mA.
RL = 600 Ω, RF1= RF2=RP1= RP2 =0 Ω, RRef = 49.9 kΩ, CHP = 47 nF, CLP=0.15 µF, RT = 120 kΩ, RSG = 0 kΩ, RRX = 60 kΩ, RR = 52.3 kΩ,
ROV=∞ unless otherwise specified. Current definition: current is positive if flowing into a pin.
Ref
Parameter
fig Conditions
Min
Typ
Max
Unit
Two-wire port
Overload level, VTRO
On-Hook, ILdc < 5mA
Input impedance, Z
TR
Longitudinal impedance, ZLOT, ZLOR
Longitudinal current limit, ILOT, ILOR
Longitudinal to metallic balance, BLM
Longitudinal to metallic balance, B
LME
BLME = 20 · Log
ELo
VTR
Longitudinal to four-wire balance, BLFE
BLFE = 20 · Log
ELo
VTX
2 Active state
1% THD, ROV = ∞
Note 1
Note 2
0 < f < 100 Hz
active state
IEEE standard 455-1984
0.2 kHz < f < 1.0 kHz
1.0 kHz < f < 3.4 kHz
3
0.2 kHz < f < 1.0 kHz
1.0 kHz < f < 3.4 kHz
3
0.2 kHz < f < 1.0 kHz
1.0 kHz < f < 3.4 kHz
1.0
VPeak
1.0
VPeak
Z /200
T
20
35
Ω/wire
10
mArms /wire
53
dB
53
dB
53
75
dB
53
70
dB
53
75
dB
53
70
dB
Metallic to longitudinal balance, BMLE
BMLE = 20 · Log
VTR
VLo
; ERX = 0
4 0.2 kHz < f < 3.4 kHz
40
50
dB
Figure 2. Overload level, VTRO , two-wire
port
1
ωC << RL, RL= 600 Ω
RT = 120 kΩ, RRX = 60 kΩ
Figure 3. Longitudinal to metallic (BLME)
and Longitudinal to four-wire (BLFE) bal-
ance
1
ωC
<< 150 Ω, RLR =RLT =RL /2=300Ω
R
T
=
120
kΩ,
R
RX
=
60
kΩ
C
TIPX
VTX
RL
VTRO
ILDC
PBL 386 20/2
RT
E RX
RINGX RSN
RRX
ELo C
TIPX
VTX
RLT
VTR PBL 386 20/2
RLR
RINGX
RSN
RT
V TX
RRX
3
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