参数资料
型号: TPA0172PWP
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
封装: GREEN, PLASTIC, HTSSOP-24
文件页数: 5/36页
文件大小: 885K
代理商: TPA0172PWP
TPA0172
2W STEREO AUDIO POWER AMPLIFIER
WITH I2C BUS
SLOS327C AUGUST 2000 REVISED MAY 2001
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
selection of components (continued)
CRLINE
0.47
F
ROUT+
12
R
MUX
RHPIN
RLINEIN
+
18
17
9
RIN
ROUT
14
+
1 k
COUTR
330
F
100 k
LHPIN
LLINEIN
6
7
CLLINE
0.47
F
Left
Positive
Differential
Input Signal
5
LIN
1 k
COUTR
330
F
VDD
100 k
Depop
Circuitry
Power
Management
PVDD
19
VDD
20
BYPASS
21
SHUT-
DOWN
22
GND
LOUT+
2
+
LOUT
24
+
CBYP
0.47
F
1,13
To
System
Control
CSR
0.1
F
VDD
CSR
0.1
F
VDD
See Note A
CRIN+
0.47
F
Right
Positive
Differential
Input Signal
Right
Negative
Differential
Input Signal
PC-
Beep
PC-BEEP
3
CPCB
0.47
F
PC-BEEP
Input Signal
MUX
Control
SE/BTL
11
PVDD
8
10
F
VDD
10
F
64-Step
Volume
Control
A0
15
A1
23
I2C
Control
SDA
SCL
I2CVDD
4
10
16
I2C Address
To I2C Bus
I2C Bus Voltage
CLIN+
0.47
F
64-Step
Volume
Control
Left
Negative
Differential
Input
Signal
CRHP
0.47
F
L
MUX
CLHP
0.47
F
NOTE 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 21. Typical TPA0172 Application Circuit Using Differential Inputs
相关PDF资料
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