说明
HV5812是一个20通道,串行输入,真空荧光显示驱动器。它将20位CMOS移位寄存器、数据锁存器和控制电路与高压MOSFET输出相结合。HV5812主要设计用于真空荧光显示器。CMOS移位寄存器和锁存器允许与基于微处理器的系统直接接口。在5.0V逻辑电源的情况下,数据输入速率通常超过5.0MHz。对于位间消隐特别有用,blanking输入禁用输出源驱动器并打开汇点驱动器。与TTL一起使用可能需要外部上拉电阻器以确保输入逻辑为高。
特性
- HVCMOS® technology for high performance
- Operating voltage up to 80V
- High speed source driver
- 5.0V CMOS logic circuitry
- Up to 5.0MHz data input rate
- Excellent noise immunity
- Flexible high voltage supplies
参数
类型 | 描述 |
Type | Source-Sink |
Output Channels | 20 |
Vout Operating (V) - Transient | 90 |
Vout Operating (V) - Sustained | 80 |
Iout (mA) per Channel | -25, +1 |
Output Structure | Half-Bridge |
Input Structure | Serial |
Minimum Data Clock (MHz) | 5 |
General Description | Serial to parallel converter with latches, blanking and strobe |
Package | 28/PLCC 28/SOIC 300mil 28/PDIP |



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