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参数资料
| 型号： | PBL388121SO |
| 厂商： | ERICSSON |
| 英文描述： | Voice-switch circuit for Handsfree speakerphone TAM |
| 中文描述： | 语音免提扬声器开关电路谭 |
| 文件页数： | 4/10页 |
| 文件大小： | 133K |
| 代理商： | PBL388121SO |
PBL 388 12
4
Ref.
fig.
3
Parameter
N
Det
leakage current (hold), I
NDet
Conditions
V
TxDetIn
= V
Ref
- 0.1 V,
V
CMP
= V
Ref
+ 0.1 V,
V
CMP
= V
Ref
- 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
(Rx) mode or vice versa
CTR voltage for 25 dB dynamics, V
CTR
CTR voltage for mute, I
CTR voltage for disable, V
CTR
3
13
50
100
mV
3
3
3
V
CMP
= V
Ref
±
0.35 V, R
CTR
=100k
V
CMP
= V
Ref
±
0.35 V
V
+
V
μ
A
V
0.55
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.
= voltage at noise detector output
= reference voltage (about 1.9 V) see figure 2.
2.
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PDF描述 |
|---|---|
| PBL388131SOT | Voice-switched Speakerphone Circuit with built in loudspeaker amplifier |
| 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 |
参数描述 |
|---|---|
| PBL388121SOT | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Voice-switch circuit for Handsfree speakerphone TAM |
| PBL38813 | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Voice-switched Speakerphone Circuit with built in loudspeaker amplifier |
| PBL388131N | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Voice-switched Speakerphone Circuit with built in loudspeaker amplifier |
| PBL388131SO | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Voice-switched Speakerphone Circuit with built in loudspeaker amplifier |
| PBL388131SOT | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Voice-switched Speakerphone Circuit with built in loudspeaker amplifier |
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