參數(shù)資料
型號(hào)： TPA0213DGQR
英文描述： Toggle Switch,STRAIGHT,SPDT,(ON)-OFF-(ON),PC TAIL Terminal,TOGGLE BAT,PCB Hole Count:3
中文描述： 音頻放大器|單|的CMOS | TSSOP封裝| 10PIN |塑料
文件頁(yè)數(shù)： 36/42頁(yè)
文件大?。?/td> 806K
代理商： TPA0213DGQR
TPA0202
2-W STEREO AUDIO POWER AMPLIFIER
SLOS205B – FEBRUARY 1998 – REVISED DECEMBER 2000
36
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Input MUX operation
Working in concert with the SE/BTL feature, the HP/LINE MUX feature gives the audio designer the flexibility
of a multichip design in a single IC (see Figure 69). The primary function of the MUX is to allow different gain
settings for BTL versus SE mode. Speakers typically require approximately a factor of 10 more gain for similar
volume listening levels as compared to headphones. To achieve headphone and speaker listening parity, the
resistor values would need to be set as follows:
(15)
SE Gain
(HP)
R
F(HP)
R
I(HP)
If, for example R
I(HP)
= 10 k
and R
F(HP)
= 10 k
then SE Gain
(HP)
= –1
(16)
BTL Gain
(LINE)
2
R
F(LINE)
R
I(LINE)
If, for example R
I(LINE)
= 10 k
and R
F(LINE)
= 50 k
then BTL Gain
(LINE)
= –10
ROUT+
ROUT–
CIRLINERIRLINE
15
22
CIRHP
RIRHP
RFRHP
MUX
RLINE IN
RHP IN
SE/BTL
HP/LINE
VDD
16
14
+
–
Left Channel
20
21
Right Channel
MID
RFRLINE
0.1
μ
F
Figure 69. TPA0202 Example Input MUX Circuit
Another advantage of using the MUX feature is setting the gain of the headphone channel to –1. This provides
the optimum distortion performance into the headphones where clear sound is more important. Refer to the
SE/BTL operation section for a description of the headphone jack control circuit.
相關(guān)PDF資料
PDF描述
TPA0222PWPR AUDIO AMPLIFIER|DUAL|CMOS|TSSOP|24PIN|PLASTIC
TPA0223DGQR Switches, Toggle; Circuitry:SPDT; Switch Operation:On-None-On; Current Rating:2A; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes; Switch Function:SPDT
TPA0232PWPR Switches, Toggle; Circuitry:SPDT; Switch Operation:On-None-(On); Contact Current Max:3A; Actuator Style:Bat; Current Rating:3A@120VAC or 29VDC; Leaded Process Compatible:Yes; Operating Temp. Min:-30 C
TPA0233DGQR AUDIO AMPLIFIER|DUAL|CMOS|TSSOP|10PIN|PLASTIC
TPA0242PWPR SWITCH, PCB DPDT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA0213DGQRG4 功能描述:音頻放大器 Mono Class-AB w/Ster Hdphn Drive RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA0213EVM 功能描述:音頻 IC 開發(fā)工具 TPA0213 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
TPA0222 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO 2-W AUDIO POWER AMPLIFIER WITH FOUR SELECTABLE GAIN SETTINGS AND MUX CONTROL
TPA0222EVM 功能描述:音頻 IC 開發(fā)工具 TPA0222 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
TPA0222PWP 功能描述:音頻放大器 2W Stereo A RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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