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参数资料
| 型号： | TDA6920 |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 多路复用及模拟开关 |
| 英文描述： | 7-CHANNEL, AUDIO/VIDEO SWITCH, PDIP18 |
| 封装： | PLASTIC, DIP-18 |
| 文件页数： | 5/27页 |
| 文件大小： | 555K |
| 代理商： | TDA6920 |
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Functional Description
3 - 6
TDA 6920
Wireless Components
Specification, August 1999
3.4 Functional Description
The main function of the IC is to switch 7 input video sources to 5 outputs.
Each output can be switched to only one input.
It is possible to have the same input connected to several outputs.
3 of the inputs can be used as non-clamping-input, switching is controlled by
bus.
The clamping function of the other 4 inputs can be switched off by external
resistor divider.
All switching possibilities are controlled by the I2C-BUS.
All outputs can be switched to low impedance off condition by the I2C-BUS.
Driving 75
load requires external transistors.
The recommended coupling capacitor at each input is 47 nF.
Each clamping input requires a 75
(max. 500 ) termination resistor.
Operation without or with a termination resistor greater than 500
causes mal-
function of the new high performance clamping circuit.
Unused input‘s should be directly grounded.
6 x 8 bits are necessary to determine one complete configuration change
(1 addressbyte, 5 databytes).
Minimum configuration change for 1 output needs 2 x 8 bit (1 addressbyte,
1 databyte).
Power on reset state: all 5 outputs switched to input 1, all inputs clamped, Y+C
off.
相关PDF资料 |
PDF描述 |
|---|---|
| TDA6930S | AM, AUDIO/VIDEO DEMODULATOR, PDIP30 |
| TDA6930X | AM, AUDIO/VIDEO DEMODULATOR, PDSO28 |
| TDA6931X | AM, AUDIO/VIDEO DEMODULATOR, PDSO32 |
| TDA6930S | AUDIO/VIDEO DEMODULATOR, PDIP30 |
| TDA6930X | AUDIO/VIDEO DEMODULATOR, PDSO28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA6920X | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:7 x 5 Video Matrix Switch |
| TDA7000 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:FM radio circuit |
| TDA7010 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:FM radio circuit |
| TDA7010T | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:FM radio circuit |
| TDA7010T/V3 | 制造商:NXP Semiconductors 功能描述:FM RADIO CIRCUIT SMD 7010 SOIC16 |
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