描述 Description

The 74HC4046A; 74HCT4046A is a high-speed Si-gate CMOS device. It is specified in compliance with JEDEC standard no 7A.

特性 Features

? Low power consumption
? VCO-Inhibit control for ON/OFF keying and for low standby power consumption
? Center frequency up to 17 MHz (typical) at VCC = 4.5 V
? Choice of three phase comparators:
? PC1: EXCLUSIVE-OR
? PC2: Edge-triggered J-K flip-flop
? PC3: Edge-triggered RS flip-flop

? Excellent Voltage Controlled Oscillator (VCO) linearity
? Low frequency drift with supply voltage and temperature variations
? Operating power supply voltage range:
? VCO section 3.0 V to 6.0 V
? Digital section 2.0 V to 6.0 V

? Zero voltage offset due to operational amplifier buffering
? ESD protection:
? HBM: ANSI/ESDA/Jedec JS-001 Class 2 exceeds 2 kV
? CDM: ANSI/ESDA/Jedec JS-002 Class C3 exceeds 1 kV

應用 Application

FM modulation and demodulation
Frequency synthesis and multiplication
Frequency discrimination
Tone decoding
Data synchronization and conditioning
Voltage-to-frequency conversion
Motor-speed control