CD74HC4046AM Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The CD74HC4046AM is a high-speed CMOS phase-locked loop (PLL) IC integrating a voltage-controlled oscillator and two phase comparators for frequency synthesis and clock-recovery applications, operating across a 2 V to 6 V supply range. It is housed in a 16-pin SOIC package for straightforward surface-mount assembly. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD74HC4046AM Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0990(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD74HC4046AM?
- Integrated VCO and dual phase comparators (PC1 and PC2) enable flexible PLL loop filter design for FM demodulation and frequency synthesis
- Wide 2 V to 6 V supply range supports operation in both 3.3 V CMOS and 5 V TTL system contexts without redesign
- 16-pin SOIC package provides convenient surface-mount footprint with full schematic symbol, PCB footprint, and 3D model availability for rapid PCB design
What is CD74HC4046AM used for?
The CD74HC4046AM is used in clock-generation and clock-recovery circuits where a stable output frequency must track an incoming reference signal, such as in UART baud-rate synthesizers and FM demodulators for wireless sensor modules. Its dual phase comparators allow the designer to choose between a simple XOR-based PC1 for analog FM demodulation or a more robust edge-triggered PC2 for digital frequency synthesis with a wide lock range. It also appears in motor-speed control loops and PLL-based frequency multipliers in industrial signal-conditioning hardware.
What are the specifications of CD74HC4046AM?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | PHASE LOCKED LOOP |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.16mA |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Mexico |
Where can I find the CD74HC4046AM datasheet?
CD74HC4046AM Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HC4046AM?
Compatible alternatives and drop-in replacements for CD74HC4046AM:
Frequently Asked Questions
What are the two phase comparators in the CD74HC4046AM, and when should each be selected?
The CD74HC4046AM provides two phase comparators: PC1 is an XOR gate that compares signal edges and is best for analog FM demodulation applications where both input and reference have a 50% duty cycle, while PC2 is a positive-edge-triggered digital phase-frequency detector that works correctly with asymmetric waveforms and offers a wider capture range for digital clock synthesis. PC2 also eliminates the false lock condition that XOR-based designs can experience, making it preferred in frequency-multiplier and clock-recovery loops operating across the 2 V to 6 V supply range.
How does the VCO in the CD74HC4046AM allow a designer to set the center frequency and capture range for a PLL synthesizer?
The CD74HC4046AM's VCO frequency is set by two external resistors (R1 and R2) and a capacitor (C1) connected to dedicated pins, giving the designer direct control over the minimum and maximum VCO frequencies and thus the PLL's lock range. R1 and C1 define the upper frequency limit while R2 sets a non-zero lower frequency offset, enabling a programmable capture range across the 2 V to 6 V supply rail. This external component flexibility allows the device to cover VCO frequency ranges from a few kilohertz to several megahertz in frequency-synthesis and motor-control applications.
In which compact clock-recovery or FM-demodulation PCBs does the 16-pin SOIC package of the CD74HC4046AM simplify layout compared to a DIP-16 alternative?
The 16-pin SOIC package of the CD74HC4046AM uses a 1.27 mm pin pitch and sits flat against the PCB, reducing component height by approximately 3 mm versus a through-hole DIP-16 and halving the footprint area. This profile is advantageous in multi-layer PCBs for FM receiver modules, baud-rate synthesizer cards, and motor-control signal conditioners where component density is high and the design requires placing the PLL IC close to the VCO tuning filter components for minimum parasitic capacitance on the frequency-setting pins.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.7500 | $0.75 |
| 34+ | $0.3750 | $12.75 |
| 100+ | $0.0990 | $9.90 |
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