Overview
The CD74HC4046AM96G4 is a high-speed silicon-gate CMOS phase-locked-loop (PLL) circuit produced by Texas Instruments. This device is part of the HC4046A series and is pin compatible with the CD4046B of the '4000B' series. It is specified in compliance with JEDEC standard number 7. The CD74HC4046AM96G4 features a linear voltage-controlled oscillator (VCO) and three different phase comparators, making it versatile for various applications requiring frequency control and synchronization.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | SOIC (16 pins) | |
| Operating Temperature Range | -55 to 125 | °C |
| Operating Power Supply Voltage Range (VCO Section) | 3 to 6 | V |
| Operating Power Supply Voltage Range (Digital Section) | 2 to 6 | V |
| Maximum Operating Frequency | Up to 18 MHz (Typ) at VCC = 5V | |
| Minimum Center Frequency | 12 MHz at VCC = 4.5V | |
| Output Drive (IOL/IOH) | 5.2/-5.2 mA | |
| Propagation Delay | 64 ns (Max) | |
| Quiescent Device Current | 80 µA (Max) |
Key Features
- Linear voltage-controlled oscillator (VCO) with excellent frequency linearity achieved through linear op-amp techniques.
- Three phase comparators: EXCLUSIVE-OR, edge-triggered JK flip-flop, and edge-triggered RS flip-flop.
- VCO-inhibit control for ON/OFF keying and low standby power consumption.
- Minimal frequency drift.
- Wide operating temperature range: -55°C to 125°C.
- Balanced propagation delay and transition times.
- Significant power reduction compared to LSTTL logic ICs.
- High noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V.
- CMOS input compatibility with low input current (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.
Q & A
- What is the CD74HC4046AM96G4?
The CD74HC4046AM96G4 is a high-speed silicon-gate CMOS phase-locked-loop (PLL) circuit with a linear voltage-controlled oscillator (VCO) and three phase comparators.
- What is the operating temperature range of the CD74HC4046AM96G4?
The operating temperature range is -55°C to 125°C.
- What are the power supply voltage ranges for the VCO and digital sections?
The VCO section operates from 3V to 6V, and the digital section operates from 2V to 6V.
- What is the maximum operating frequency of the CD74HC4046AM96G4?
The maximum operating frequency is up to 18 MHz (Typ) at VCC = 5V.
- What are the key features of the phase comparators in the CD74HC4046AM96G4?
The device includes three phase comparators: EXCLUSIVE-OR, edge-triggered JK flip-flop, and edge-triggered RS flip-flop.
- What is the significance of the VCO-inhibit control in the CD74HC4046AM96G4?
The VCO-inhibit control allows for ON/OFF keying and reduces standby power consumption.
- What are some common applications of the CD74HC4046AM96G4?
Common applications include FM modulation and demodulation, frequency synthesis and multiplication, frequency discrimination, tone decoding, data synchronization and conditioning, voltage-to-frequency conversion, and motor-speed control.
- What is the package type and pin count of the CD74HC4046AM96G4?
The package type is SOIC with 16 pins.
- Is the CD74HC4046AM96G4 RoHS compliant?
- What is the lifecycle status of the CD74HC4046AM96G4?
The device is currently active and recommended for new designs.
