参数资料
型号: PBL386402SOT
厂商: ERICSSON
英文描述: Subscriber Line Interface Circuit
中文描述: 用户线接口电路
文件页数: 3/16页
文件大小: 138K
代理商: PBL386402SOT
PBL 386 40/2
3
Electrical Characteristics
-40
°
C
T
Amb
+85
°
C, PTG = open (see pin description), V
CC
= +5V
±
5 %, V
Bat
= -58V to -40V, V
Bat2
=-32V, R
LC
=32.4 k
,
I
L
= 27 mA. R
L
= 600
, R
F1
=R
F2
=0, R
Ref
= 49.9 k
, C
HP
= 47nF, C
LP
=0.15
μ
F, R
T
= 120 k
, R
SG
= 0 k
, R
RX
= 60 k
,
R
R
= 52.3 k
, R
OV
=
unless otherwise specified. Current definition: current is positive if flowing into a pin.
Ref
Parameter
fig
Conditions
Two-wire port
Min
Typ
Max
Unit
Overhead voltage, V
TRO
,I
Ldc
> 18mA
2
Active state
1% THD, R
OV
=
Note 1
Note 2
0 < f < 100 Hz
active state
IEEE standard 455-1985, Z
TRX
=736
Normal polarity:
0.2 kHz < f < 1.0 kHz, T
amb
0-70
°
C
1.0 kHz < f < 3.4 kHz, T
amb
0-70
°
C
0.2 kHz < f < 1.0 kHz, T
amb
-40-85
°
C
1.0 kHz < f < 3.4 kHz, T
amb
-40-85
°
C
Reverse polarity:
0.2 kHz < f < 1.0 kHz, T
amb
0-70
°
C
1.0 kHz < f < 3.4 kHz, T
amb
0-70
°
C
0.2 kHz < f < 1.0 kHz, T
amb
-40-85
°
C
1.0 kHz < f < 3.4 kHz, T
amb
-40-85
°
C
Normal polarity:
0.2 kHz < f < 1.0 kHz, T
amb
0-70
°
C
1.0 kHz < f < 3.4 kHz, T
amb
0-70
°
C
0.2 kHz
f
1.0 kHz, T
amb
-40-85
°
C
1.0 kHz < f < 3.4 kHz, T
amb
-40-85
°
C
Reverse polarity:
0.2 kHz < f < 1.0 kHz, T
amb
0-70
°
C
1.0 kHz < f < 3.4 kHz, T
amb
0-70
°
C
0.2 kHz < f < 1.0 kHz, T
amb
-40-85
°
C
1.0 kHz < f < 3.4 kHz, T
amb
-40-85
°
C
0.2 kHz < f < 3.4 kHz
2.7
1.1
V
Peak
V
Peak
On-Hook, I
Ldc
< 5mA
Input impedance, Z
TR
Longitudinal impedance, Z
LOT
, Z
LOR
Longitudinal current limit, I
LOT
, I
LOR
Longitudinal to metallic balance, B
LM
Z
T
/200
20
35
/wire
mA
rms
/wire
28
63
60
60
55
66
66
66
66
dB
dB
dB
dB
59
55
55
55
66
66
66
66
dB
dB
dB
dB
Longitudinal to metallic balance, B
LME
Longitudinal to four wire balance B
LFE
3
3
63
60
60
55
66
66
66
66
dB
dB
dB
dB
59
55
55
55
40
66
66
66
66
50
dB
dB
dB
dB
dB
Metallic to longitudinal balance, B
MLE
V
B
= 20 · Log ; E
RX
= 0
V
Lo
4
Figure 2. Overhead voltage, V
TRO
, two-
wire port
1
<< R
L
, R
L
= 600
ω
C
R
T
= 120 k
, R
RX
= 60 k
PBL 386 40/2
TIPX
RINGX
RSN
VTX
R
T
R
RX
E
RX
R
L
V
TRO
I
LDC
C
PBL 386 40/2
TIPX
RINGX
RSN
VTX
R
T
R
RX
V
TX
R
LT
C
V
TR
R
LR
E
Lo
Figure 3. Longitudinal to metallic (B
LME
)
and Longitudinal to four-wire (B
LFE
)
balance
1
C
, R
LR
=R
LT
=R
L
/2=300
ω
R
T
= 120 k
, R
RX
= 60 k
B
LFE
= 20 · Log E
Lo
V
TX
B
LME
= 20 · Log E
Lo
V
TR
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