参数资料
型号: TPA0242PWPG4
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: 8/35页
文件大小: 806K
代理商: TPA0242PWPG4
www.ti.com
APPLICATION INFORMATION
Component Selection
ROUT+
21
R
MUX
RHPIN
RLINEIN
+
23
20
CIRHP
0.47
F
Right
Head
phone
Input
Signal
CIRLINE
0.47
F
Right
Line
Input
Signal
CRIN
0.47
F
8
RIN
ROUT
16
+
1 k
COUTR
330
F
100 k
L
MUX
LHPIN
LLINEIN
5
6
CILHP
0.47
F
Left
Head
phone
Input
Signal
CILLINE
0.47
F
Left
Line
Input
Signal
CLIN
0.47
F
10
LIN
1 k
COUTL
330
F
VDD
100 k
Depop
Circuitry
Power
Management
PVDD
18
VDD
19
BYPASS
11
SHUT
DOWN
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
HP/LINE
14
CPCB
0.47
F
PC-BEEP
Input
Signal
2
Gain/
MUX
Control
VOLUME
CLK
3
17
SE/BTL
15
CCLK
47 nF
VDD
50 k
32-Step
Volume
Control
32-Step
Volume
Control
32-Step
Volume
Control
32-Step
Volume
Control
TPA0242
SLOS287C – NOVEMBER 1999 – REVISED SEPTEMBER 2004
Figure 31 and Figure 32 are schematic diagrams of typical notebook computer application circuits.
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 31. Typical TPA0242 Application Circuit Using Single-Ended Inputs and Input MUX
16
相关PDF资料
PDF描述
TPA0243DGQR 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10
TPA0243DGQ 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10
TPA0243DGQG4 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10
TPA0243DGQRG4 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10
TPA0252PWPR 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
相关代理商/技术参数
参数描述
TPA0242PWPR 功能描述:音频放大器 St 2W Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
TPA0242PWPRG4 功能描述:音频放大器 St 2W Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
TPA0243 制造商:TI 制造商全称:Texas Instruments 功能描述:2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0243DGQ 功能描述:音频放大器 2W Mono Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
TPA0243DGQG4 功能描述:音频放大器 2W Mono Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel