PBL 385 73
Maximum Ratings
Parameter
Symbol
Min
Max
Unit
Line voltage, t
p
= 2 s
Line current, continuous DIP package
Line current, continuous SO package (depending on mounting)
Operating temperature range
Storage temperature range
No input should be set on higher level than pin 4 (+C).
V
L
I
L
I
L
T
Amb
T
Stg
0
0
0
-40
-55
18
130
100
+70
+125
V
mA
mA
°C
°C
MUTE
R = 0-4kΩ
L
0 ohm when artificial
line is used
5H+5H
V
M
I
M
I
L
+
R
feed = 400Ω+400Ω
C
ARTIFICIAL
LINE
+ LINE
MIC
Z
Mic = 350Ω
V
3
+
E = 48.5V
V
2
600Ω
I
DC
V
L
V
DC
PBL 38573
with external
components
See fig. 4
REC
V
1
V
4
Z
Rec= 350Ω
- LINE
C = 1µF when artificial line is used
470µF when no artificial line
Figure 2. Test set up without rectifier
bridge.
MUTE
V
M
Uz= 15-16V
I
L
V
I
M
5H+5H
R
RL = 0 - 4kΩ
+ LINE
Z
Mic = 350Ω
MIC
+
feed = 400Ω+400Ω
1µF
V
2
600Ω
L
V
3
+
E = 50.0V
I
DC
V
DC
PBL 38573
with external
components
See fig. 4
REC
V
1
V
4
Z
Rec = 350Ω
- LINE
Figure 3. Test set up with rectifier
bridge.
+ Line
1
13
2.7k
Mic.
350
Ω
9
AM
PBL 385 73
AT
AR
310
Ω
10
REC.
350
Ω
DC-supply
14
6
5
8
3
2
12
C6
47nF
R11
62k
R3
910
Ω
7
11
+4
R4
18k
Mute
DC supply
C11
47µF
+
R
G
R5
22k
C3
100nF
R7
910
Ω
R8
560
Ω
R10
6.2k
R6
75
Ω
C5
100nF
R9
11k
R12
11k
Figure 4. Circuit with external compon-
ents for test set up.
C2
15nF
-Line
+
C1
47µF
DIP package pinning.
2
ERICSSON [ ERICSSON ]
