MC14046BFG - Brand New onsemi Clock Generators / Frequency Synthesizers / PLL
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Description
The MC14046BFG is an electronic component model in the category of Clock Generators, Frequency Synthesizers, and PLL. It is a phase locked loop that consists of two phase comparators, a voltage-controlled oscillator (VCO), a source follower, and a zener diode.
The phase comparators have two common signal inputs, PCAin and PCBin. PCAin can be directly coupled to large voltage signals or indirectly coupled (with a series capacitor) to small voltage signals. The self-bias circuit adjusts small voltage signals in the linear region of the amplifier.
Phase comparator 1 is an exclusive OR gate that provides a digital error signal PC1out and maintains a 90° phase shift at the center frequency between PCAin and PCBin signals, both at a 50% duty cycle. Phase comparator 2, with leading edge sensing logic, provides digital error signals PC2out and LD and maintains a 0° phase shift between PCAin and PCBin signals, regardless of the duty cycle.
The linear VCO produces an output signal VCOout, whose frequency is determined by the voltage of input VCOin and the capacitor and resistors connected to pins C1A, C1B, R1, and R2. The source-follower output SFout, with an external resistor, is used where the VCOin signal is needed but no loading can be tolerated. The inhibit input Inh, when high, disables the VCO and source follower to minimize standby power consumption. The zener diode can be used to assist in power supply regulation.
Specifications and features
- Buffered Outputs Compatible with Low-Power TTL
- Diode Protection on All Inputs
- Supply Voltage Range = 3.0 to 18 V
- Pin-for-Pin Replacement for CD4046B
- Phase Comparator 1 is an Exclusive OR Gate and is Duty Cycle Limited
- Phase Comparator 2 Switches on Rising Edges and is not Duty Cycle Limited
- NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q100 Qualified and PPAP Capable
- These Devices are Pb-Free and are RoHS Compliant
Application Scenarios
The MC14046BFG is suitable for various applications, including FM and FSK modulation and demodulation, frequency synthesis and multiplication, frequency discrimination, tone decoding, data synchronization and conditioning, voltage-to-frequency conversion, and motor speed control.
Comparison
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Similar parts: 9857 , Click to view
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Datasheet
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Popular parts of the same kind
- Datasheet: Download MC14046BFG
- Chipdatas Part: CD93-MC14046BFG
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- Last Updated: 2024/06/13 10:19 +0800
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