pbl388141sot ETC-unknow, pbl388141sot Datasheet - Page 4

• Manufacturer Part Number: pbl388141sot
• Description: Voice Switched 2-channel Circuit With Loudspeaker Amplifier
• Manufacturer: ETC-unknow

PBL 388 14
Parameter
N
N
CMP (comparator) sensitivity,
transmit (Tx) mode to receive
(Rx) mode or vice versa
CTR voltage for 25 dB dynamics, V
CTR voltage for mute, V
CTR voltage for disable, V
Loudspeaker amplifier
Operating voltage, V
Current consumption (no signal), I
Current consumption
(output swing at 5% dist.)
Swing at 5% dist., V
Gain
Frequency response
Amplifier power efficiency (5% dist), n
Input impedance pin 23
Notes
1.
2.
4
Det
Det
swing relative to V
leakage current (hold), I
20 •
V
V
V
V
Depends on V
NDet
Ref
TxDet
TxDetO
10
log (
=
= voltage at noise detector output
= reference voltage (about 2 V) see figure 2.
= Voltage at transmit detector output.
voltage at transmit detector output at the point
when the voltage at the noise detector starts
moving when a signal at transmit channel input is
gradually increased (threshold, typical value 30 mV)
V
V
TxDet
+
. Channels are tracking.
Out
NDet
A
- V
Ref
- V
CTR
, V
TxDetO
Ref
CTR
NDet
NDet
)
+L
CTR
2,14
2,14
2,14
12
Ref.
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
fig.
Conditions
V
V
V
V
Tx mode = max Tx gain,
Rx mode = max Rx gain
V
V
V
V
V
V
V
V
V
V
200 to 3400 Hz, relative 1kHz,
V
n = 100 • P
R
TxDetIn
CMP
TxDetIn
CMP
A
A
A
A
A
A
A
A
A
A
A
CTR
=12.0 V
= 3.0 V
= 5.0 V
= 12.0 V
= 3.0 V
= 5.0 V
= 12.0 V
= 3.0 V
= 5.0 V
=5.0 V, I
= 3.0 to 12.0 V,
= V
=100k
= V
= V
= V
Ref
Ref
Ref
- 0.1 V
Ref
+ 0.1 V,
Load
VOL
- 0.1 V,
+ 0.1 V,
/P
= 0
Supply
1.1
Min.
2.5
0.6
1.5
3.6
34.5
-1
24
Typ.
-100
0.45
40
V
1
2
4
7
13
30
0.85
1.7
4.0
36.5
40
30
+
Max.
80
1.6
0.9
12
2.3
9
38.5
36
1
nA
V
V
V
dB
Unit.
V
mV
V
V
V
V
mA
mA
mA
mA
mA
mA
dB
%
k
p
p
p