Features and benefits
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Operation power supply voltage range from 4.5 V to 5.5 V
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Low power consumption
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Complies with JEDEC standard no. 7A
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Inhibit control for ON/OFF keying and for low standby power consumption
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Center frequency up to 17 MHz (typical) at VCC = 5.5 V
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Choice of two phase comparators:
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PC1: EXCLUSIVE-OR
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PC2: Edge-triggered JK flip-flop
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No dead zone of PC2
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Charge pump output on PC2, whose current is set by an external resistor Rbias
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Center frequency tolerance ±10 %
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Excellent Voltage Controlled Oscillator (VCO) linearity
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Low frequency drift with supply voltage and temperature variations
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On-chip band gap reference
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Glitch free operation of VCO, even at very low frequencies
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Zero voltage offset due to operational amplifier buffering
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ESD protection:
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HBM JESD22-A114F exceeds 2000 V
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MM JESD22-A115-A exceeds 200 V
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Applications
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FM modulation and demodulation where a small center frequency tolerance is essential
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Frequency synthesis and multiplication where a low jitter is required (e.g. video picture-in-picture)
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Frequency discrimination
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Tone decoding
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Data synchronization and conditioning
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Voltage-to-frequency conversion
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Motor-speed control
Documentation (4)
File name | Title | Type | Date |
---|---|---|---|
74HCT9046A | PLL with band gap controlled VCO | Data sheet | 2020-03-20 |
AN11044 | Pin FMEA 74HC/74HCT family | Application note | 2019-01-09 |
Nexperia_Selection_guide_2023 | Nexperia Selection Guide 2023 | Selection guide | 2023-05-10 |
HCT_USER_GUIDE | HC/T User Guide | User manual | 1997-10-31 |
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