參數(shù)資料
型號: TPA0222PWPG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
封裝: GREEN, PLASTIC, HTSSOP-24
文件頁數(shù): 11/37頁
文件大小: 969K
代理商: TPA0222PWPG4
www.ti.com
SHUT
DOWN
23
SE/BTL
ROUT+
21
R
MUX
RHPIN
RLINEIN
+
20
CIRIN
0.47
F
8
RIN
ROUT
16
+
1 k
COUTR
330
F
100 k
L
MUX
LHPIN
LLINEIN
5
6
CILIN
0.47
F
10
LIN
1 k
COUTL
330
F
VDD
100 k
Depop
Circuitry
Power
Management
PVDD
18
VDD
19
BYPASS
11
22
GND
LOUT+
4
+
LOUT
9
+
CBYP
0.47
F
1, 12,
13, 24
To
System
Control
CSR
0.1
F
VDD
CSR
0.1
F
VDD
See Note A
PC-
Beep
PC-BEEP
14
CPCB
0.47
F
PC-BEEP
Input
Signal
Gain/
MUX
Control
GAIN0
GAIN1
2, 3
CIRIN+
0.47
F
15
CILIN
0.47
F
Volume
Control
Volume
Control
Volume
Control
CIRHP
0.47
F
Volume
Control
17
HP/LINE
CILHP
0.47
F
Right
Positive
Differential
Input Signal
Right
Negative
Differential
Input Signal
Left
Negative
Differential
Input Signal
Left
Positive
Differential
Input Signal
TPA0222
SLOS285B – NOVEMBER 1999 – REVISED NOVEMBER 2004
APPLICATION INFORMATION (continued)
A.
A 0.1-F ceramic capacitor should be placed as close as possible to the IC. For filtering lower-frequency noise
signals, a larger electrolytic capacitor of 10 F or greater should be placed near the audio power amplifier.
Figure 43. Typical TPA0222 Application Circuit Using Differential Inputs
19
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PDF描述
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