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参数资料
| 型号： | TAS5709PHP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| 封装： | 7 X 7 MM, GREEN, PLASTIC, HTQFP-48 |
| 文件页数： | 19/60页 |
| 文件大小： | 1210K |
| 代理商： | TAS5709PHP |
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Single-Byte Write
A6
A5
A4
A3
A2
A1
A0
R/W ACK A7
A6
A5
A4
A3
A2
A1
A0
ACK
D7
D6
D5
D4
D3
D2
D1
D0 ACK
Start
Condition
Stop
Condition
Acknowledge
I CDevice Addressand
2
Read/WriteBit
Subaddress
DataByte
T0036-01
Multiple-Byte Write***
D7
D0 ACK
Stop
Condition
Acknowledge
I CDevice Addressand
2
Read/WriteBit
Subaddress
LastDataByte
A6
A5
A1
A0 R/W ACK A7
A5
A1
A0
ACK D7
ACK
Start
Condition
Acknowledge
FirstDataByte
A4
A3
A6
OtherDataBytes
ACK
Acknowledge
D0
D7
D0
T0036-02
SLOS599A – NOVEMBER 2008 – REVISED SEPTEMBER 2009 ..................................................................................................................................... www.ti.com
During multiple-byte write operations, the DAP compares the number of bytes transmitted to the number of bytes
that are required for each specific subaddress. For example, if a write command is received for a biquad
subaddress, the DAP expects to receive five 32-bit words. If fewer than five 32-bit data words have been
received when a stop command (or another start command) is received, the data received is discarded.
Supplying a subaddress for each subaddress transaction is referred to as random I2C addressing. The TAS5709
also supports sequential I2C addressing. For write transactions, if a subaddress is issued followed by data for
that subaddress and the 15 subaddresses that follow, a sequential I2C write transaction has taken place, and the
data for all 16 subaddresses is successfully received by the TAS5709. For I2C sequential write transactions, the
subaddress then serves as the start address, and the amount of data subsequently transmitted before a stop or
start is transmitted determines how many subaddresses are written. As was true for random addressing,
sequential addressing requires that a complete set of data be transmitted. If only a partial set of data is written to
the last subaddress, the data for the last subaddress is discarded. However, all other data written is accepted;
only the incomplete data is discarded.
As shown in Figure 27, a single-byte data-write transfer begins with the master device transmitting a start
condition followed by the I2C device address and the read/write bit. The read/write bit determines the direction of
the data transfer. For a write data transfer, the read/write bit is 0. After receiving the correct I2C device address
and the read/write bit, the DAP responds with an acknowledge bit. Next, the master transmits the address byte or
bytes corresponding to the TAS5709 internal memory address being accessed. After receiving the address byte,
the TAS5709 again responds with an acknowledge bit. Next, the master device transmits the data byte to be
written to the memory address being accessed. After receiving the data byte, the TAS5709 again responds with
an acknowledge bit. Finally, the master device transmits a stop condition to complete the single-byte data-write
transfer.
Figure 27. Single-Byte Write Transfer
A multiple-byte data write transfer is identical to a single-byte data write transfer except that multiple data bytes
are transmitted by the master device to the DAP as shown in Figure 28. After receiving each data byte, the
TAS5709 responds with an acknowledge bit.
Figure 28. Multiple-Byte Write Transfer
26
Copyright 2008–2009, Texas Instruments Incorporated
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| TAS5710PHPR | 20.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| TAS5710PHP | 20.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| TAS5715PHPR | 41.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| TAS5715PHP | 41.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| TAS5716PAPR | 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
相关代理商/技术参数 |
参数描述 |
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| TAS5709PHPG4 | 功能描述:音频放大器 20W Stereo I2S input Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TAS5709PHPR | 功能描述:音频放大器 20W Stereo I2S input Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TAS5709PHPRG4 | 功能描述:音频放大器 20W Stereo I2S input Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TAS5710 | 制造商:TI 制造商全称:Texas Instruments 功能描述:20-W STEREO DIGITAL AUDIO POWER AMPLIFIER |
| TAS5710EVM | 功能描述:音频 IC 开发工具 TAS5710EVM Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
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