參數(shù)資料
型號(hào): LA7473V
元件分類: 音頻/視頻放大
英文描述: 2 CHANNEL, AUDIO AMPLIFIER, PDSO30
封裝: 0.275 INCH, SSOP-30
文件頁數(shù): 10/11頁
文件大?。?/td> 133K
代理商: LA7473V
LA7473V
No.5333-8/11
Continued from preceding page.
Pin No.
Pin Name
DC voltage
Description
Equivalent circuit
12
18
HPF IN-L
HPF IN-R
1.45V
(VCC = 3.3V)
2.2V
(VCC = 4.75V)
Amplifier input for high-pass filter
These are high-impedance inputs.
VCC
12
18
500k
Ω
13
17
OUT-L
OUT-R
1.45V
(VCC = 3.3V)
2.2V
(VCC = 4.75V)
External/internal mode
5.5dB amplifier outputs
VCC
210
μA
13
17
10k
Ω
BIAS
9k
Ω
14
BIAS
1.45V
(VCC = 3.3V)
2.2V
(VCC = 4.75V)
Reference voltage
14
VCC
15
MIC MONO
Goes low only when the external microphone is
monaural.
15
VCC
16
EXT/INT
This pin is high in external mode and low in
internal mode.
16
40k
Ω
VCC
High level at
VCC = 4.75V
22
GND
0
Continued on next page.
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