PBL 386 10/2
Electrical Characteristics
0 °C ≤ TAmb ≤ +70 °C, VCC = +5V ±5 %, VEE = -5V ± 5%, VBat = -58V to -40V, RLC=18.7kΩ, (IL = 27 mA), ZL = 600 Ω, RLD = 50 kΩ,
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.
Ref
Parameter
fig
Conditions
Min
Typ
Max
Unit
Two-wire port
Overload level, VTRO
2
Active state
Off-Hook, ILDC ≥ 10 mA
On-Hook, ILDC ≤ 5 mA
1% THD, Note 1
2.5
1.4
VPeak
VPeak
Input impedance, ZTR
Note 2
0 < f < 100 Hz
active state
ZT/200
20
Longitudinal impedance, ZLoT, ZLoR
Longitudinal current limit, ILoT, ILoR
Longitudinal to metallic balance, BLM
35
Ω/wire
12
mArms /wire
IEEE standard 455-1985,ZTRX = 736 Ω
0.2 kHz < f < 1.0 kHz
1.0 kHz < f < 3.4 kHz
53
53
70
70
dB
dB
Longitudinal to metallic balance, BLME
3
3
4
active state
ELo
BLME = 20 • Log
0.2 kHz ≤ f ≤ 1.0 kHz
1.0 kHz < f < 3.4 kHz
53
53
70
70
dB
dB
VTR
Longitudinal to four-wire balance, BLFE
active state
ELo
BLFE = 20 • Log
0.2 kHz ≤ f ≤ 1.0 kHz
1.0 kHz < f < 3.4 kHz
59
59
70
70
dB
dB
VTX
Metallic to longitudinal balance, BMLE
VTR
active state
0.2 kHz < f < 3.4 kHz
40
58
dB
BMLE = 20 • Log
VLo
C
TIPX
VTX
Figure 2. Overload level, VTRO, two-wire
port
RL
VTRO
ILDC
RT
PBL 386 10/2
ERX
1
ωC
<< RL, RL= 600 Ω
RINGX
RSN
RRX
RT = 120 kΩ, RRX = 120 kΩ
Figure 3. Longitudinal to metallic (BLME
)
VTX
TIPX
and Longitudinal to four-wire (BLFE
balance
)
ELo
RLT
C
RT
VTR
PBL 386 10/2
VTX
RLR
1
ωC
RINGX
RSN
<< 150 Ω, RLR = RLT = RL /2= 300Ω
RRX
RT = 120 kΩ, RRX = 120 kΩ
3
ERICSSON [ ERICSSON ]
