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參數(shù)資料
| 型號： | TPA0172PWP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24 |
| 封裝： | GREEN, PLASTIC, HTSSOP-24 |
| 文件頁數(shù)： | 18/36頁 |
| 文件大小： | 885K |
| 代理商： | TPA0172PWP |
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TPA0172
2W STEREO AUDIO POWER AMPLIFIER
WITH I2C BUS
SLOS327C AUGUST 2000 REVISED MAY 2001
25
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
As indicated in Figure 27, following a start condition, each I2C device decodes the slave address. The TPA0172
responds with an acknowledge by pulling the SDA line low during the ninth clock cycle, if it decodes the address
as its address.
During a write cycle, the transmitting device must not drive the SDA signal line during the acknowledge cycle
so that the receiving device may drive the SDA signal low. After each byte transfer following the address byte,
the receiving device will pull the SDA line low for one SCL clock cycle. A stop condition will be initiated by the
transmitting device after the last byte is transferred. An example of a write cycle can be found in Figure 28 and
Figure 29.
During a read cycle, the slave receiver will acknowledge the initial address byte if it decodes the address as its
address. Following this initial acknowledge by the slave, the master device becomes a receiver and
acknowledges data bytes sent by the slave. When the master has received all of the requested data bytes from
the slave, the not acknowledge (A) condition is initiated by the master by keeping the SDA signal high just before
it asserts the stop (P) condition. This sequence terminates a read cycle as shown in Figure 30 and Figure 31.
S
Slave Address
W
Data
A
P
A
Data
A
From Transmitter
From Receiver
A = No Acknowledge (SDA High)
A = Acknowledge
S = Start Condition
P = Stop Condition
W = Write
Figure 28. I2C Write Cycle
D7
D6
D1
D0 ACK
Stop
Condition
Acknowledge
(Receiver)
I2C Device Address and
Read/Write Bit
Last Data Byte
A6
A5
A1
A0
R/W ACK
D7
D6
D1
D0 ACK
Start
Condition
Acknowledge
(From Receiver)
Acknowledge
(Receiver)
SDA
First Data Byte
Other
Data Bytes
Figure 29. Multiple Byte Write Transfer
A = No Acknowledge (SDA High)
A = Acknowledge
S = Start Condition
P = Stop Condition
W = Write
R = Read
S
Slave Address
R
A
P
A
Data
A
Data
Transmitter
Receiver
Figure 30. I2C Read Cycle
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TPA0172PWPG4 | 功能描述:音頻放大器 Stereo Class-AB 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 |
| TPA0172PWPR | 功能描述:音頻放大器 Stereo Class-AB 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 |
| TPA0172PWPRG4 | 功能描述:音頻放大器 Stereo Class-AB 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 |
| TPA02 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Power Operational Amplifier |
| TPA0202 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W STEREO AUDIO POWER AMPLIFIER |
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