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参数资料
| 型号： | THS7303PW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 3 CHANNEL, VIDEO AMPLIFIER, PDSO20 |
| 封装： | GREEN, PLASTIC, TSSOP-20 |
| 文件页数： | 39/60页 |
| 文件大小： | 1980K |
| 代理商： | THS7303PW |
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SLOS479B
– OCTOBER 2005 – REVISED MARCH 2011
EXAMPLE: WRITING TO THE THS7303
To initiate a write operation to the THS7303, an I2C master generates a start condition (S) followed by the
THS7303 I2C address (as shown below) in MSB first bit order, followed by a '0' to indicate a write cycle. After
receiving an acknowledge from the THS7303, the master presents the sub-address (channel) it wants to write
consisting of one byte of data, MSB first. The THS7303 acknowledges the byte after completion of the transfer.
Finally the master presents the data it wants to write to the register (channel) and the THS7303 acknowledges
the byte. The I2C master then terminates the write operation by generating a stop condition (P). Note that the
THS7303 does not support multi-byte transfers. To write to all three channels (or registers), this procedure must
be repeated for each register, one series at a time (that is, repeat steps 1 through 8 for each channel).
Example of THS7303 Write Operation:
Step 1
0
I2C Start (Master)
S
Step 2
7
6
5
4
3
2
1
0
I2C General Address (Master)
0
1
0
1
X
0
Where each X logic state is defined by I2C A1 and I2C A0 pins being tied to either VS+ or GND.
Step 3
9
I2C Acknowledge (Slave)
A
Step 4
7
6
5
4
3
2
1
0
I2C Write Channel Address (Master)
0
Addr
Where Addr is determined by the values shown in Table 2.
Step 5
9
I2C Acknowledge (Slave)
A
Step 6
7
6
5
4
3
2
1
0
I2C Write Data (Master)
Data
Where Data is determined by the values shown in Table 3.
Step 7
9
I2C Acknowledge (Slave)
A
Step 8
0
I2C Stop (Master)
P
For Step 6, an example of the proper bit control for selecting Input B of the MUX, a 720p Y
’ channel signal with
ac STC lowest line tilt and with the shortest sync filter is 1111 0101.
For Step 7, the ACK state means the THS7303 pulls the SDA line low until the next cycle on the SCL line.
44
Copyright
2005–2011, Texas Instruments Incorporated
Product Folder Link(s): THS7303
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相关代理商/技术参数 |
参数描述 |
|---|---|
| THS7303PWG4 | 功能描述:视频放大器 3-Ch Low Power Video RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
| THS7303PWR | 功能描述:视频放大器 3-Ch Low Power Video RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
| THS7303PWRG4 | 功能描述:视频放大器 3-Ch Low Power Video RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
| THS730A A2 | 制造商:Tektronix Inc 功能描述:OSCILLOSCOPE DSO/DMM 200MHZ |
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