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參數資料
| 型號： | TPA6140A2YFFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PBGA16 |
| 封裝： | 1.6 X 1.6 MM, 0.4 MM PITCH, GREEN, DSBGA-16 |
| 文件頁數： | 15/30頁 |
| 文件大小： | 705K |
| 代理商： | TPA6140A2YFFT |
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SLOS598A – MARCH 2009 – REVISED OCTOBER 2009................................................................................................................................................. www.ti.com
REGISTER MAP
Table 1. Register Map
REGISTER
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
1
HP_EN_L
HP_EN_R
0
Thermal
SWS
2
Mute_L
Mute_R
Volume[4]
Volume[3]
Volume[2]
Volume[1]
Volume[0]
0
3
0
HiZ_L
HiZ_R
4
0
Version[3]
Version[2]
Version[1]
Version[0]
5
RFT
6
RFT
7
RFT
8
RFT
Bits labeled "Reserved" are reserved for future enhancements. They may not be written to. When read, they will
show a "0" value.
Bits labeled "RFT" are reserved for TI testing. Under no circumstances must any data be written to these
registers. If read, these bits may assume any value.
The TPA6140A2 I2C address is 0xC0 (binary 11000000) for writing an 0xC1 (binary 11000001) for reading. If a
different I2C address is required, please contact your local TI representative.
Fault Register (Address: 1)
BIT
7
6
5
4
3
2
1
0
Function
HP_EN_L
HP_EN_R
0
Thermal
SWS
Reset Value
0
1
HP_EN_L
Enable bit for the left-channel amplifier. Amplifier is active when bit is high.
HP_EN_R
Enable bit for the right-channel amplifier. Amplifier is active when bit is high.
Thermal
Bit sets to 1 to indicate thermal shutdown. Once temperature decreases below a safe level, the
TPA6140A2 re-activates regardless of previous bit status. This bit is clear-on-read.
SWS
Software shutdown control. Set bit to 1 to initiate software shutdown. Set bit to 0 to activate
charge-pump. SWS must remain at 0 for normal operation.Use SWS instead of HP_EN_L and
HP_EN_R to ensure lowest current consumption and highest input to output signal attenuation
when disabling the amplifier.
Volume and Mute Register (Address: 2)
BIT
7
6
5
4
3
2
1
0
Function
Mute_L
Mute_R
Volume[4]
Volume[3]
Volume[2]
Volume[1]
Volume[0]
0
Reset
1
0
Value
Mute_L
Left channel mute. Set bit to 1 to mute left channel.
Mute_R
Right channel mute. Set bit to 1 to mute right channel.
Volume[5:0]
Volume control byte. Set to 111110 for highest gain, 4 dB; set to 000000 for lowest gain, –59 dB
22
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPA6140A2
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA6140A2YFFT | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
| TPA6141A2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:CLASS-G DIRECTPATH? STEREO HEADPHONE AMPLIFIER |
| TPA6141A2YFFEVM | 功能描述:音頻 IC 開發工具 TPA6141A2YFF Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA6141A2YFFR | 功能描述:音頻放大器 25mW Class-G Direct Path St Headph Amp 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 |
| TPA6141A2YFFT | 功能描述:音頻放大器 25mW Class-G Direct Path St Headph Amp 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 |
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