PBL 388 12
Maximum Ratings
Parameter
Symbol
Min
Max
Unit
Speech switch supply current
Voltage pin 1-14
Operating temperature
Storage temperature
ID
10
mA
V
°C
°C
-0,5
-20
-55
Vpin15+0.5
+70
+125
TAmb
TStg
RxDetin
11
100nF
Ref
ID
+
PBL 388 12
15 V
+
V
RxDetout 10
V
+
GND
16
Figure 2. Isolation and measurement of VRef. Reference figure No.2.
+
V
+
100µF/16V
ID
+
15
5
V
16
12
+
GND
Rx
10 µF
10 µF
+
+
V
V
Txout
Tx
Rxout
out
out
R
Txout
R
Rxout
Rx
Detin
11
13
6 Tx
Detin
out
PBL 388 12
C
Tx
C
Rx
10 µF
10 µF
+
+
F2
F5
F5
out
F2
out
-Rx
4
out
I
4.7 µF
R
Txin
R
F2
F5
out
V
+
out
1 µF
+
+Tx
3
2
I
in
Rxin
in
14
Rx
Tx
N
8
Detout
10
Detout
7
Det
CMP
9
CTR
1
-Tx
in
Txin
+
1 µF
V
Rxin
C
RxDet
C
TxDet
0,1µF
+
+
R
CTR
I
NDet
V
I
I
CTR
TxDet
V
RxDet
V
V
NDet
CMP
TxDet
V
RxDet
CTR
Figure 3. Test circuit. Reference figure No. 3.
2
ERICSSON [ ERICSSON ]
