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Micropower Phase-Locked Loop
4046
ic logic
The CD4046B is a CMOS micropower phase-locked loop (PLL) IC designed for low-power applications, featuring two phase comparators and a VCO. It's suitable for FM demodulation, frequency synthesis, and other digital/analog signal processing tasks.
In stock
Specifications
4- Operating Voltage Range
- 5 V to 18 V (typ.) at VCO fO = 10 kHz, VDD = 5 V V
- Package Type
- Hermetic dual-in-line ceramic packages (F3A suffix), plastic packages (E suffix), small-outline packages (NSR and PWR suffixes)
- Power Consumption
- 70 μW at VCO fO = 10 kHz, VDD = 5 V μW
- Operating Frequency Range
- Up to 1.4 MHz (typ.) at VDD = 10 V, RI = 5 kΩ MHz
Pinout
17| Pin | Name | Functions | Notes |
|---|---|---|---|
| — | ZENER | POWER | Voltage regulation |
| 1 | PHASE PULSES | GPIO | Phase pulse output for lock indication |
| 2 | PHASE COMP I OUT | GPIO | Output of phase comparator I |
| 3 | COMPARATOR IN | ADC | Input for phase comparator I |
| 4 | VCO OUT | GPIO | Output of voltage-controlled oscillator (VCO) |
| 5 | INHIBIT | GPIO | Inhibit control for VCO |
| 6 | C1(1) | ADC | External capacitor input (R1) |
| 7 | C1(2) | ADC | External capacitor input (R2) |
| 8 | VSS | GND | Ground |
| 9 | VCO IN | GPIO | Input for VCO |
| 10 | DEMODULATOR OUT | GPIO | Demodulator output |
| 11 | R1 TO VGS | POWER | Resistor R1 to VGS |
| 12 | R2 TO VSS | GND | Resistor R2 to ground |
| 13 | PHASE COMP II OUT | GPIO | Output of phase comparator II |
| 14 | SIGNAL IN | ADC | Input for phase comparator II |
| 15 | PHASE COMP I IN | GPIO | Input of phase comparator I |
| 16 | VDD | POWER | Supply voltage |
Interactive pinout
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4046
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