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在线产品描述:
HC4046A和HCT4046A是与"4000B"系列的CD4046B管脚兼容的高速硅栅CMOS器件。它们是按照JEDEC标准7号指定的。
HC4046A和HCT4046A是锁相环电路，包含一个线性压控振荡器(VCO)和三个不同的相位比较器(PC1、PC2和PC3)。每个比较器共有一个信号输入和一个比较器输入。
信号输入可以直接耦合到大电压信号，也可以间接耦合(用串联电容器)到小电压信号。自偏置输入电路将小电压信号保持在输入放大器的线性区域内。4046A采用无源低通滤波器，构成二阶环路锁相环。通过使用线性运算放大器技术，实现了良好的压控振荡器线性。产品特性:
- Operating Frequency Range
- Up to 18MHz (Typ) at VCC = 5V
- Minimum Center Frequency of 12MHz at VCC = 4.5V
- Choice of Three Phase Comparators
- EXCLUSIVE-OR
- Edge-Triggered JK Flip-Flop
- Edge-Triggered RS Flip-Flop
- Excellent VCO Frequency Linearity
- VCO-Inhibit Control for ON/OFF Keying and for Low Standby Power Consumption
- Minimal Frequency Drift
- Operating Power Supply Voltage Range
- VCO Section . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 6V
- Digital Section . . . . . . . . . . . . . . . . . . . . . . . . 2V to 6V
- Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
- Wide Operating Temperature Range . . . -55°C to 125°C
- Balanced Propagation Delay and Transition Times
- Significant Power Reduction Compared to LSTTL Logic ICs
- HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
- HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH
- Applications
- FM Modulation and Demodulation
- Frequency Synthesis and Multiplication
- Frequency Discrimination
- Tone Decoding
- Data Synchronization and Conditioning
- Voltage-to-Frequency Conversion
- Motor-Speed Control
技术系列HC
Bits(#)1
供电电压(Min)(V)2
供电电压(Max)(V)6
输入类型StandardCMOS
输出类型推挽式
供应电流(Max)(µA)160
有效输入电压(Max)(毫安)5.2
IOH(Max)(毫安)-5.2
370791121
2119841551