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參數(shù)資料
| 型號： | TDA7564 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 46 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封裝： | FLEXIWATT-25 |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 269K |
| 代理商： | TDA7564 |
Obsolete
Product(s)
- Obsolete
Product(s)
TDA7564
14/20
I2C BUS INTERFACE
Data transmission from microprocessor to the TDA7564 and viceversa takes place through the 2 wires I2C BUS inter-
face, consisting of the two lines SDA and SCL (pull-up resistors to positive supply voltage must be connected).
Data Validity
As shown by fig. 22, the data on the SDA line must be stable during the high period of the clock. The HIGH and
LOW state of the data line can only change when the clock signal on the SCL line is LOW.
Start and Stop Conditions
As shown by fig. 23 a start condition is a HIGH to LOW transition of the SDA line while SCL is HIGH. The stop
condition is a LOW to HIGH transition of the SDA line while SCL is HIGH.
Byte Format
Every byte transferred to the SDA line must contain 8 bits. Each byte must be followed by an acknowledge bit.
The MSB is transferred first.
Acknowledge
The transmitter* puts a resistive HIGH level on the SDA line during the acknowledge clock pulse (see fig. 24).
The receiver** the acknowledges has to pull-down (LOW) the SDA line during the acknowledge clock pulse, so
that the SDAline is stable LOW during this clock pulse.
* Transmitter
= master (
P) when it writes an address to the TDA7564
= slave (TDA7564) when the
P reads a data byte from TDA7564
** Receiver
= slave (TDA7564) when the
P writes an address to the TDA7564
= master (
P) when it reads a data byte from TDA7564
Figure 22. Data Validity on the I2CBUS
Figure 23. Timing Diagram on the I2CBUS
Figure 24. Acknowledge on the I2CBUS
SDA
SCL
DATA LINE
STABLE, DATA
VALID
CHANGE
DATA
ALLOWED
D99AU1031
SCL
SDA
START
I2CBUS
STOP
D99AU1032
SCL
1
MSB
23789
SDA
START
ACKNOWLEDGMENT
FROM RECEIVER
D99AU1033
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7564B | 功能描述:音頻放大器 4 x 50W Multi Quad Power Amplifer D 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 |
| TDA7564BH | 功能描述:音頻放大器 4 x 50W Multi Quad Power Amplifer D 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 |
| TDA7564BPD | 功能描述:音頻放大器 4 x 50W Multi Quad Power Amplifer D 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 |
| TDA7564BPDTR | 功能描述:音頻放大器 4 x 50W Multi Quad Power Amplifer D 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 |
| TDA7565 | 功能描述:音頻放大器 Quad Power Amplifier Built-in Volt Conv 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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