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參數(shù)資料
| 型號： | KA8503 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | Low Voltage Speech Network(低電壓語音網(wǎng)絡(luò)) |
| 中文描述： | 低電壓語音網(wǎng)絡(luò)（低電壓語音網(wǎng)絡(luò)） |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 78K |
| 代理商： | KA8503 |
KA8503 LOW VOLTAGE SPEECH NETWORK
PIN CONFIGURATION
Fig. 2
PIN DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
KA8503
V +
TXO
TXI
V
DD
MUTE
GR
ST1
ST2
ST3
RXO3
RXO2
RXO1
RXI
V -
MIC2
MIC1
MIC0
ST0
Pin No
Symbol
Description
1
V +
Postive power line and transmit amplifier output.
2
TXO
Transmit amplifier output. The resistor which is connected this pin to V - sets DC
resistance of the circuit. The value of resistor is suitable for 47 ~ 100
.
3
TXI
Transmit amplifier input. Input impedance is 17K
±
20%
4
V
DD
DC power supply pin. This pin will be connected to a decoupling capacitor
47
μ
F~ 100
μ
F.
5
MUTE
Mute active high input.
6
GR
Gain regulation control input. Input impedance is 5.5 K
±
20%.
7, 8, 9
ST1, ST2,
ST3
Seperate amplifier control inputs.
10
STO
Seperate amplifier output.
11
MIC0
Microphone amplifier output.
12, 13
MIC1, MIC2
Microphone amplifier inputs. Input impedance is 1.7 K
±
20%
14
V -
Negative power line.
15
RXI
Receive amplifier input.
16
RXO1
Receive amplifier output.
17, 18
RXO2, ROX3
Receive amplifier output. Output impedance is 3
(Typ)
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相關(guān)代理商/技術(shù)參數(shù) |
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| KA8504 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:SPEECH NETWORK WITH DIALER INTERFACE |
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| KA8507BD | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:COMPANDER |
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