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參數資料
型號: TPA0212PWP
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: POWERPAD, PLASTIC, HTSSOP-24
文件頁數: 24/35頁
文件大小: 662K
代理商: TPA0212PWP
www.ti.com
C
PCB w
1
2p
PCB
(100 kW)
(14)
SHUTDOWN MODES
TPA0212
SLOS284B – NOVEMBER 1999 – REVISED NOVEMBER 2004
If it is desired to ac-couple the PC-BEEP input, the value of the coupling capacitor should be chosen to satisfy
Equation 14:
The PC-BEEP input can also be dc-coupled to avoid using this coupling capacitor. The pin normally sits at
midrail when no signal is present.
The TPA0212 employs a shutdown mode of operation designed to reduce supply current, IDD, to the absolute
minimum level during periods of nonuse for battery-power conservation. The SHUTDOWN input terminal should
be held high during normal operation when the amplifier is in use. Pulling SHUTDOWN low causes the outputs to
mute and the amplifier to enter a low-current state, IDD = 150 A. SHUTDOWN should never be left unconnected
because amplifier operation would be unpredictable.
Table 6. HP/LINE, SE/BTL, AND SHUTDOWN FUNCTIONS
INPUTS(1)
AMPLIFIER STATE
HP/LINE
SE/BTL
SHUTDOWN
INPUT
OUTPUT
X
Low
X
Mute
Low
High
Line
BTL
Low
High
Line
SE
High
Low
High
HP
BTL
High
HP
SE
(1)
Inputs should never be left unconnected.
30
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相關代理商/技術參數
參數描述
TPA0212PWP 制造商:Texas Instruments 功能描述:POWER AMP AUDIO CLASS AB HTSSOP24
TPA0212PWPG4 功能描述:音頻放大器 2W Stereo A RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA0212PWPR 功能描述:音頻放大器 Stereo Class-AB w/Ster Hdphn Drive RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA0212PWPRG4 功能描述:音頻放大器 Stereo Class-AB w/Ster Hdphn Drive RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA0213 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE