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参数资料
| 型号： | PBL386612QNT |
| 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： | 3/18页 |
| 文件大小： | 115K |
| 代理商： | PBL386612QNT |
PBL 386 61/2
3
Preliminary
Electrical Characteristics
0
°
C
≤
T
Amb
≤
+70
°
C, V
CC
= +5V
±
5 %, V
EE
= -5V
±
5%, V
Bat
= -58V to -40V, R
LC
=18.7k
, I
L
= 27 mA, Z
L
= 600
, R
F1
, R
F2
= 0
,
R
Ref
= 15k
, C
HP
= 68nF, C
LP
=0.33
μ
F, R
T
= 120 k
, R
SG
= 24 k
, R
RX
= 120 k
, AOV and V
Bat2
pin not connected, unless
otherwise specified. Current definition: current is positive if flowing into a pin.
Ref
Parameter
fig
Conditions
Two-wire port
Min
Typ
Max
Unit
Overload level, V
TRO
,I
LDC
> 10 mA
2
Active state
1% THD, Note 1
3.1
1.4
V
Peak
V
Peak
On-Hook, I
LDC
≤
5 mA
Input impedance, Z
TR
Longitudinal impedance, Z
LoT
, Z
LoR
Longitudinal current limit, I
LoT
, I
LoR
Longitudinal to metallic balance, B
LM
Note 2
0 < f < 100 Hz
active state
IEEE standard 455-1985, ZTRX = 736
, active state
0.2 kHz < f < 1.0 kHz
1.0 kHz < f < 3.4 kHz
Z
T
/200
20
35
mA
rms
/wire
/wire
28
55
55
dB
dB
Longitudinal to metallic balance, B
LME
E
Lo
B
LME
= 20 Log
V
TR
3
active state
0.2 kHz
≤
f
≤
1.0 kHz
1.0 kHz < f < 3.4 kHz
55
55
dB
dB
Longitudinal to four-wire balance, B
LFE
E
Lo
B
LFE
= 20 Log
V
TX
3
active state
0.2 kHz
≤
f
≤
1.0 kHz
1.0 kHz < f < 3.4 kHz
61
61
dB
dB
Metallic to longitudinal balance, B
MLE
V
TR
B
= 20 Log
V
Lo
4
active state
0.2 kHz < f < 3.4kHz
40
dB
Figure 2. Overload level, V
TRO
, two-wire
port
1 << R
L
, R
L
= 600
ω
C
R
T
= 120 k
, R
RX
= 120 k
PBL 386 61/2
TIPX
RINGX
RSN
VTX
R
T
R
RX
E
RX
R
L
V
TRO
I
LDC
C
PBL 386 61/2
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
<< 150
, R
LR
= R
LT
= R
L
/2= 300
ω
C
R
T
= 120 k
, R
RX
= 120 k
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