PBL 385 71
Maximum Ratings
Parameter
Symbol
Min
Max
Unit
Line voltage, t
p
= 2 s
Line current, continuous, DIP (batwing) package
Line current, continuous, SO (batwing) package (dependent on mounting)
Operating temperature range
Storage temperature range
No input should be set on higher level than pin 6 (+C).
V
L
I
L
I
L
T
Amb
T
Stg
0
0
0
-40
-55
18
130
120
+70
+125
V
mA
mA
°C
°C
MUTE
R = 0 - 4kΩ
L
0 ohm when artificial
line is used
V
M
I
M
I
L
R feed = 400Ω + 400Ω
5H + 5H
+
C
ARTIFICIAL
LINE
+ LINE
MIC
Z
Mic = 350Ω
V
3
+
E = 48.5V
V
2
600Ω
V
L
PBL 38571
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
I
M
R
feed = 400Ω + 400Ω
5H + 5H
RL = 0 - 4kΩ
+ LINE
Z
Mic = 350Ω
MIC
PBL 38571
with external
components
See fig. 4
REC
+
1µF
V
2
600Ω
V
3
+
E = 50.0V
V
L
V
1
V
4
Z
Rec = 350Ω
- LINE
Figure 3. Test set up with rectifier
bridge.
+Line
1
15
R14
310Ω
AM
11
AT
AR
REC
350Ω
4,5,
12,13.
8
7
R4
18k
9
3
2
R7
910Ω
R10
6.2k
14
C6
47nF
R11
62k
+6
16
R16
Mic.
2.7k
350Ω
10
PBL 385 71
C3
100nF
Mute
(active low)
R5
22k
R8
560Ω
Rg
R6
75Ω
C5
100nF
R9
11k
R12
11k
R3
910Ω
+
C1
47µF
C2
15nF
-Line
Figure 4. Circuit with external compon-
ents for test set up.
2
ERICSSON [ ERICSSON ]
