PBL 386 30/1
Electrical Characteristics
-40 °C ≤ TAmb ≤ +85 °C, PTG = open (see pin description), VCC = +5V ±5 %, VBat = -58V to -40V, VBat2 = -32 V, RLC=32.4 kΩ,
IL = 27 mA. RL = 600 Ω, RF1= RF2= RP1=RP2=0, 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 ,ILdc > 18mA
2
Active state,
1% THD, ROV
Note 1
=
2.7
1.1
VPeak
VPeak
On-Hook, ILdc < 5mA
Input impedance, ZTR
Note 2
0 < f < 100 Hz
active state
IEEE standard 455-1985, ZTRX=736Ω
0.2 kHz < f < 1.0 kHz, Tamb 0-70°C
1.0 kHz < f < 3.4 kHz, Tamb 0-70°C
ZT/200
20
Longitudinal impedance, ZLoT, ZLoR
Longitudinal current limit, ILoT, ILoR
Longitudinal to metallic balance, BLM
35
Ω/wire
28
mArms /wire
63
58
dB
dB
dB
dB
0.2 kHz < f < 1.0 kHz, Tamb -40-85°C 58
1.0 kHz < f < 3.4 kHz, Tamb -40-85°C 54
Longitudinal to metallic balance, BLME
Longitudinal to four wire balance, BLFE
ELo
3
3
0.2 kHz < f < 1.0 kHz, Tamb 0-70°C
1.0 kHz < f < 3.4 kHz, Tamb 0-70°C
0.2 kHz ≤ f ≤ 1.0 kHz, Tamb -40-85°C 58
1.0 kHz < f < 3.4 kHz, Tamb -40-85°C 54
63
58
dB
dB
dB
dB
BLME = 20 · Log
VTR
75
70
ELo
VTX
B
LFE = 20 · Log
Metallic to longitudinal balance, BMLE
VTR
4
0.2 kHz < f < 3.4 kHz
40
50
dB
BMLE = 20 · Log
; ERX = 0
V
LO
C
TIPX
VTX
Figure 2. Overload level, VTRO, two-wire
port
RL
VTRO
ILDC
RT
PBL 386 30/2
ERX
1
RINGX
RSN
<< RL, RL= 600 Ω
ωC
RRX
RT = 120 kΩ, RRX = 60 kΩ
VTX
TIPX
Figure 3. Longitudinal to metallic (BLME
)
ELo
RLT
C
and Longitudinal to four-wire (BLFE
)
RT
VTR
PBL 386 30/2
VTX
balance
1
RLR
<< 150 Ω, RLR =RLT =RL /2=300Ω
RINGX
RSN
ωC
RRX
RT = 120 kΩ, RRX = 60 kΩ
4-195
ERICSSON [ ERICSSON ]
