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參數(shù)資料
| 型號： | TPA2054D4AYZKR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.94 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA25 |
| 封裝： | 2.61 X 2.61 MM, GREEN, DSBGA-25 |
| 文件頁數(shù)： | 9/30頁 |
| 文件大小： | 858K |
| 代理商： | TPA2054D4AYZKR |
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www.ti.com
SLOS666 – MAY 2010
MULTI-BYTE READY
A multiple-byte data read transfer is identical to a single-byte read transfer except that multiple data bytes are
transmitted by the TPA2054D4A to the master device as shown in Figure 46. With the exception of the last data
byte, the master device responds with an acknowledge bit after receiving each data byte.
Figure 46. Multi-Byte Read Transfer
REGISTER MAPS
REGISTER
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
1
Reserved
PAL_Fault
PAR_Fault
HPL_Fault
HPR_Fault
Thermal
2
Reserved
SWS
HPL_Enable
HPR_Enable
PA_Enable
Reserved
3
LIM_Lock
Reserved
Mode[2]
Mode[1]
Mode[0]
4
Reserved
Mon_Vol[4]
Mon_Vol[3]
Mon_Vol[2]
Mon_Vol[1]
Mon_Vol[0]
5
Reserved
ST1_Vol[4]
ST1_Vol[3]
ST1_Vol[2]
ST1_Vol[1]
ST1_Vol[0]
6
Reserved
ST2_Vol[4]
ST2_Vol[3]
ST2_Vol[2]
ST2_Vol[1]
ST2_Vol[0]
7
Reserved
HP_Vout[2]
HP_Vout[1]
HP_Vout[0]
HP_Gain[1]
HP_Gain[0]
The TPA2054D4A I2C address is 0xE0 (binary 11100000) for writing and 0xE1 (binary 11100001) for reading.
Refer to the General I2C Operation section for more details.
Bits labeled Reserved are reserved for future enhancements. They may not be written to as it may change the
function of the device. If read, these bits may assume any value.
Any register above address 0x07 is reserved for testing and should not be written to because it may change the
function of the device. If read, these bits may assume any value.
Fault Register (Address: 1)
BIT
7
6
5
4
3
2
1
0
Function
Reserved
PAL_Fault
PAR_Fault
HPL_Fault
HPR_Fault
Thermal
Reset Value
0
Reserved
These bits are reserved for future enhancements. They will not change state if programmed. If
read these bits may assume any value.
PAL_Fault
Logic high indicates an over-current event has occurred on the Class-D left channel output. This
bit is clear-on-write. Only logic low can be written to this bit.
PAR_Fault
Logic high indicates an over-current event has occurred on the Class-D right channel output.
This bit is clear-on-write. Only logic low can be written to this bit.
HPL_Fault
Logic high indicates an over-current event has occurred on the headphone left channel output.
This bit is clear-on-write. Only logic low can be written to this bit.
HPR_Fault
Logic high indicates an over-current event has occurred on the headphone right channel output.
This bit is clear-on-write. Only logic low can be written to this bit.
Thermal
Logic high indicates thermal shutdown activated. Bit automatically clears when the thermal
condition lowers past the hysteresis threshold.
Copyright 2010, Texas Instruments Incorporated
17
Product Folder Link(s): TPA2054D4A
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| TPA2054D4AYZKT | 功能描述:音頻放大器 1.4 W/Ch 3-Inp Audio Subsystem 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2054D4YZKEVM | 功能描述:音頻 IC 開發(fā)工具 TPA2054D4YZKEVM Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)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 |
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| TPA2054D4YZKT | 功能描述:音頻放大器 1.4 W/Ch Stereo Class-D Aud Subsys 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2080D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.2 W Constant Output Power Class-D Audio Amplifier with Class-G Boost Converter |
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