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HC4046A The HC4046A is a high-speed silicon-gate CMOS Phase-Locked Loop (PLL) IC from On Semiconductor. It features a linear voltage-controlled oscillator (VCO) and three phase comparators.
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HC4046A

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The HC4046A is a high-speed silicon-gate CMOS Phase-Locked Loop (PLL) IC from On Semiconductor. It features a linear voltage-controlled oscillator (VCO) and three phase comparators.
✓ Total Stock: 23 pcs
$ Price Range: $12.91

HC4046A Available from 1 distributor

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HC4046A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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HC4046A Description

Short technical summary and product information.

The HC4046A and its HCT variant are high-speed silicon-gate CMOS devices designed for phase-locked loop applications. These ICs integrate a linear voltage-controlled oscillator (VCO) with three distinct phase comparators (EXCLUSIVE-OR, edge-triggered JK flip-flop, and edge-triggered RS flip-flop).

 

Key electrical specifications include an operating frequency range up to 18MHz (typical at 5V) and a minimum center frequency of 12MHz at 4.5V. The VCO section operates from 3V to 6V, while the digital section supports 2V to 6V. The device offers standard outputs with a fanout of 10 LSTTL loads and bus driver outputs with a fanout of 15 LSTTL loads.

 

Applications for the HC4046A include FM modulation and demodulation, frequency synthesis and multiplication, frequency discrimination, tone decoding, data synchronization, and voltage-to-frequency conversion. The wide operating temperature range of -55°C to 125°C makes it suitable for various environments.

 

Available in multiple package types including SOIC, TSSOP, CERDIP, and PDIP, the HC4046A is pin-compatible with the CD4046B series.

HC4046A Quick Information

Product Type: Phase-Locked Loop IC
Canonical Name: HC4046A Phase-Locked Loop IC
Subcategory: Voltage Controlled Oscillator (VCO) ICs

HC4046A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

HC4046A Estimated Pricing

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1+ $12.91 $12.91

Estimated market price range - modelled values for guidance only, not live distributor offers.

HC4046A Features

  • High-speed silicon-gate CMOS PLL IC.
  • Linear voltage-controlled oscillator (VCO).
  • Three distinct phase comparators included.
  • Wide operating temperature range: -55°C to 125°C.
  • Suitable for frequency synthesis and modulation.

HC4046A Applications

  • FM modulation and demodulation.
  • Frequency synthesis and multiplication.
  • Frequency discrimination applications.
  • Tone decoding circuits.
  • Voltage-to-frequency conversion.

HC4046A FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating frequency range of the HC4046A?

The operating frequency range is up to 18MHz typical at VCC = 5V, with a minimum center frequency of 12MHz at VCC = 4.5V.

What are the operating voltage ranges for the HC4046A?

The VCO section operates from 3V to 6V, and the digital section operates from 2V to 6V.

What is the operating temperature range for the HC4046A?

The operating temperature range is -55°C to 125°C.

What types of phase comparators are available on the HC4046A?

The HC4046A offers three phase comparators: EXCLUSIVE-OR, edge-triggered JK flip-flop, and edge-triggered RS flip-flop.

What are the fanout capabilities of the HC4046A outputs?

Standard outputs have a fanout of 10 LSTTL loads, and bus driver outputs have a fanout of 15 LSTTL loads.

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