PBL 3852
Maximum Ratings
Parameter
Symbol
VL
Min
0
Max
22
Unit
V
Line voltage, Tp = 2 s
Line current, continuous DIP
Line current, continuous SO package
Operating temperature range
Storage temperature range
Input level (all inputs)
IL
0
130
100
+75
+125
+C
mA
mA
°C
°C
V
IL
0
TAmb
TStg
-40
-55
0
MUTE
V
R
= 0-4KΩ
M
L
0 ohm when artificial
line is used
5H+5H
I
L
ARTIFICIAL
LINE
Z
= 150Ω
+ LINE
Mic
+
MIC
R
= 400Ω+400Ω
C
feed
V
3
I
DC2
PBL 3852
V
2
600Ω
+
with external
components
See fig. 4
V
V
DC2
I
L
DC1
E= 48.5V
Z
= 150Ω
Rec
V
V
1
REC
4
V
DC1
- 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
R
= 0-4KΩ
L
5H+5H
+ LINE
Z
= 150Ω
Mic
MIC
+
V
R
= 400Ω+400Ω
L
1µF
feed
V
3
I
DC2
PBL 3854
V
600Ω
+
2
with external
components
See fig. 4
V
DC2
I
DC1
E = 48.5V
Z
= 150Ω
Rec
V
V
REC
4
1
V
DC1
- LINE
Figure 3. Test set up with rectifier bridge.
R1 =
R2 =
R3 = 100Ω
R4 = 7.5k
R5 = 33k
R6 =
R7 = 75Ω
R8 =
R9 = 620Ω
R10 = -
R11 = 6.2k
R12 = 130Ω
R13 = 2.4k
R14 = 27k
R15 = 18k
R16 = 120k
R17 = 18k
R18 = 62k
R19 = 910Ω
-
-
C1 = -
(+Line)
C2 = 47µF
C3 = 47µF
C4 = 68nF
Mute
6
R22
C12
5
1
C5 =
C6 = 100nF
C7 =
-
17
13
-
-
MIC
C13
R24
-
+
-
C8 = 47nF
C9 = 47µF
C10 = 15nF
C11 = -
C12 = 0.15µF
C13 = 0.15µF
12
+
+
REC
R23
DC
supply
DC
supply
Ref.
Ref.
15
16
PBL 3852
3
11
2
7
14
18
9
8
10
4 +
C8
R3
DC1 DC2
R4
C4
R9
R11
R18
R12
R13
R19
R17
+
+
+C
R5
R7
C3
C2
+
C6
R20 =
R21 =
-
-
C9
(-Line)
C10
R22 = 10k
R23 = 10k
R24 = 150Ω
R15
R16
R14
Figure 4. Reference figure with line length regulation. (Application for dynamic microphone)
2
ERICSSON [ ERICSSON ]
