參數(shù)資料
型號(hào): TPA0152PWPR
元件分類: 運(yùn)動(dòng)控制電子
英文描述: Dual Audio Amplifier
中文描述: 雙音頻放大器
文件頁(yè)數(shù): 20/34頁(yè)
文件大小: 488K
代理商: TPA0152PWPR
TPA0112
2-W STEREO AUDIO POWER AMPLIFIER
WITH FOUR SELECTABLE GAIN SETTINGS
SLOS204B – MAY 1999 – REVISED MARCH 2000
20
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
3
ROUT+
21
R
MUX
RHPIN
RLINEIN
+
23
20
CCRIN–
0.47
μ
F
8
RIN
ROUT–
16
+
1 k
COUTR
330
μ
F
100 k
L
MUX
LHPIN
LLINEIN
5
6
CIlHP
0.47
μ
F
Left
Head–
phone
Input
Signal
CILLINE
0.47
μ
F
Left
Line
Input
Signal
CLIN
0.47
μ
F
10
LIN
1 k
COUTR
330
μ
F
VDD
100 k
Depop
Circuitry
Power
Management
PVDD
18
VDD
19
BYPASS
SHUT–
DOWN
11
22
GND
LOUT+
4
+
LOUT–
9
+
CBYP
0.47
μ
F
1,12,
13,24
To
System
Control
CSR
0.1
μ
F
VDD
CSR
0.1
μ
F
VDD
See Note A
PC–
Beep
PC–BEEP
PC
ENABLE
14
CPCB
0.47
μ
F
PC BEEP
Input
Signal
17
Gain/
MUX
Control
GAIN0
GAIN1
SE/BTL
2
15
N/C
CRIN+
0.47
μ
F
Right
Positive
Differential
Input
Signal
Right
Negative
Differential
Input
Signal
NOTE A: A 0.1
μ
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
μ
F or greater should be placed near the audio power amplifier.
Figure 43. Typical TPA0112 Application Circuit Using Differential Inputs
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