參數(shù)資料
型號(hào)： TPA6011A4PWPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 音頻控制
英文描述： 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
封裝： GREEN, PLASTIC, HTSSOP-24
文件頁(yè)數(shù)： 9/35頁(yè)
文件大?。?/td> 744K
代理商： TPA6011A4PWPRG4
www.ti.com
PGND
ROUT-
PVDD
RHPIN
RLINEIN
RIN
VDD
LIN
LLINEIN
LHPIN
PVDD
LOUT-
1
ROUT+
SE/BTL
HP/LINE
VOLUME
SEDIFF
SEMAX
AGND
BYPASS
FADE
SHUTDOWN
LOUT+
PGND
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CS
NC
VDD
Ci
CS
Ci
CS
Power Supply
Left Negative
Differential Input Signal
Power Supply
VDD
100 k
100 k
CC
In From DAC
or
Potentiometer
(DC Voltage)
C(BYP)
System
Control
CC
Right
Speaker
Left
Speaker
Headphones
1 k
1 k
NC
Left Positive Differential
Input Signal
Right Negative
Differential Input Signal
Right Positive
Differential Input Signal
SE/BTL OPERATION
TPA6011A4
SLOS392A – FEBRUARY 2002 – REVISED JULY 2004
APPLICATION INFORMATION (continued)
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 29. Typical TPA6011A4 Application Circuit Using Differential Inputs
The ability of the TPA6011A4 to easily switch between BTL and SE modes is one of its most important cost
saving features. This feature eliminates the requirement for an additional headphone amplifier in applications
where internal stereo speakers are driven in BTL mode but external headphone or speakers must be
accommodated. Internal to the TPA6011A4, two separate amplifiers drive OUT+ and OUT-. The SE/BTL input
controls the operation of the follower amplifier that drives LOUT- and ROUT-. When SE/BTL is held low, the
amplifier is on and the TPA6011A4 is in the BTL mode. When SE/BTL is held high, the OUT- amplifiers are in a
high output impedance state, which configures the TPA6011A4 as an SE driver from LOUT+ and ROUT+. IDD is
reduced by approximately one-third in SE mode. Control of the SE/BTL input can be from a logic-level CMOS
source or, more typically, from a resistor divider network as shown in Figure 30. The trip level for the SE/BTL
input can be found in the recommended operating conditions table.
17
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA6012A4 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:3-W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
TPA6012A4PWP 功能描述:音頻放大器 2W Stereo Audio Power Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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
TPA6012A4PWPEVM 功能描述:音頻 IC 開(kāi)發(fā)工具 TPA6012A4PWP Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類(lèi)型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
TPA6012A4PWPR 功能描述:音頻放大器 2W Stereo Audio Power Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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
TPA6013A4 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:3-W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
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