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參數(shù)資料
| 型號(hào)： | TDA9210 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 18/19頁 |
| 文件大?。?/td> | 2124K |
| 代理商： | TDA9210 |
TDA9210
8/19
4.14 - Power-on Reset
A power-on reset function is implemented on the
TDA9210 so that the I2C registers have a deter-
mined status after power-on. The Power-on reset
threshold for a rising supply on VCCA (Pin 7) is
3.8 V (typ.) and 3.2V when the VCC decreases.
Figure 5. I2C Write Operation
4.15 - Specific Application Conditions
Functioning with 5 V Power VCC
To simplify the application, it is possible to supply
the power VCC with 5 V (instead of 8 V nominal) at
the expense of output swing voltage.
Functioning without Blanking Pulse
If no blanking pulse is applied to the TDA9210, the
internal BPCP can be connected to the sample
and hold circuit (Register 8, bit 7 = 1 and BLK pin
grounded) so that the output DC level is still con-
trolled by I2C.
To ensure the device correct behavior in the worst
possible conditions, the Brightness Register must
be set to 0.
SCL
W
A7
A6
A5
A4
A3
A2
A1
A0
SDA
Register Address
ACK
I2C Slave Address
Start
D7
D6
D5
D4
D3
D2
D1
D0
Data Byte
ACK
Stop
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