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参数资料
| 型号： | PBL388131SOT |
| 厂商： | ERICSSON |
| 英文描述： | Voice-switched Speakerphone Circuit with built in loudspeaker amplifier |
| 中文描述： | 语音交换与内置免提扬声器放大器电路 |
| 文件页数： | 4/16页 |
| 文件大小： | 299K |
| 代理商： | PBL388131SOT |
4
PBL 388 13
Ref.
fig.
3
Parameter
N
Det
leakage current (hold), I
NDet
Conditions
V
TxDetIn
= V
Ref
- 0.1 V,
V
CMP
= V
+ 0.1 V,
V
TxDetIn
= V
+ 0.1 V,
V
= V
- 0.1 V
Tx mode = max Tx gain,
Rx mode = max Rx gain
Min.
Typ.
-100
Max.
Unit.
nA
N
Det
swing relative to V
Ref
, V
NDet
3
0.45
V
CMP (comparator) sensitivity,
transmit (Tx) mode to receive 13
(Rx) mode or vice versa
CTR voltage for 25 dB dynamics, V
3,15 R
=100k
CTR voltage for mute, V
3,15
CTR voltage for disable, V
CTR
3,15
Loudspeaker amplifier
Operating voltage, V
Current consumption (no signal), I
+L
3
40
80
mV
V
+
V
V
V
1.1
1.6
0.9
4
4
4
4
2.5
12
2.3
V
mA
mA
mA
mA
V
A
= 3.0 V
V
A
= 5.0 V
V
A
= 12.0 V
R
E
= 1.5 k, V
Line
= 3.0 V (Note 3)
V
RDC
= 0.35 V
R
E
Line
= 12.0 V (Note 3)
V
RDC
= 5.0
V
A
V
A
= 5.0 V
V
A
= 12.0 V
V
A
= 3.0 V
V
A
= 5.0 V
V
A
=12.0 V
V
=5.0 V, I
= 0
200 to 3400 Hz, relative 1kHz,
V
= 3.0 to 12.0 V,
n = 100
P
Load
/P
Supply
1
2
4
1.3
9
2.4
17
17
7.5
14
mA
Current consumption
(output swing at 5% dist.)
4
4
4
4
4
4
4
4
4
7
13
30
0.85
1.7
4.0
36.5
mA
mA
mA
V
p
V
p
V
p
dB
dB
Swing at 5% dist., V
Out
0.6
1.5
3.6
34.5
-1
Gain
Frequency response
Amplifier power efficiency (5% dist), n
38.5
1
40
30
%
k
Input impedance pin 23
4
24
36
Notes
V
NDet
- V
Ref
V
TxDet
- V
TxDetO
1.
20
10
log (
)
V
NDet
V
Ref
V
TxDet
= Voltage at transmit detector output.
V
TxDetO
=
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)
Depends on V
+
. Channels are tracking.
V
Line
=V
A
+V
RDC
= voltage at noise detector output
= reference voltage (about 2 V) see figure 2.
2.
3.
Figure 5. Power amplifier distortion
0.5
1.0
1.5
2.0
2.5
3.0
3.5
2
4
6
8
10
12
14
16
18
5%
2%
f = 1 kHz
V
out
V
Line
0
相关PDF资料 |
PDF描述 |
|---|---|
| PBL38813 | Voice-switched Speakerphone Circuit with built in loudspeaker amplifier |
| PBL388131N | Voice-switched Speakerphone Circuit with built in loudspeaker amplifier |
| PBL388131SO | Voice-switched Speakerphone Circuit with built in loudspeaker amplifier |
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相关代理商/技术参数 |
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|---|---|
| PBL38814 | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Voice - switched 2-channel Circuit with loudspeaker amplifier |
| PBL388141N | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Voice - switched 2-channel Circuit with loudspeaker amplifier |
| PBL388141SO | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Voice - switched 2-channel Circuit with loudspeaker amplifier |
| PBL388141SOT | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Voice - switched 2-channel Circuit with loudspeaker amplifier |
| PBL3-RP15 | 制造商:Middle Atlantic Products 功能描述: |
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