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74HCT4046AN 数据表(PDF) 4 Page - NXP Semiconductors |
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74HCT4046AN 数据表(HTML) 4 Page - NXP Semiconductors |
4 / 34 page 1997 Nov 25 4 Philips Semiconductors Product specification Phase-locked-loop with VCO 74HC/HCT4046A QUICK REFERENCE DATA GND = 0 V; Tamb =25 °C Notes 1. CPD is used to determine the dynamic power dissipation (PD in µW): PD =CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where: fi = input frequency in MHz. fo = output frequency in MHz. CL = output load capacitance in pF. VCC = supply voltage in V. ∑ (CL × VCC2 × fo) = sum of outputs. 2. Applies to the phase comparator section only (VCO disabled). For power dissipation of the VCO and demodulator sections see Figs 22, 23 and 24. ORDERING INFORMATION See “74HC/HCT/HCU/HCMOS Logic Package Information”. APPLICATIONS • FM modulation and demodulation • Frequency synthesis and multiplication • Frequency discrimination • Tone decoding • Data synchronization and conditioning • Voltage-to-frequency conversion • Motor-speed control. PACKAGE OUTLINES See “74HC/HCT/HCU/HCMOS Logic Package Outlines”. SYMBOL PARAMETER CONDITIONS TYPICAL UNIT HC HCT fo VCO centre frequency C1 = 40 pF; R1 = 3 k Ω;VCC = 5 V 19 19 MHz CI input capacitance (pin 5) 3.5 3.5 pF CPD power dissipation capacitance per package notes 1 and 2 24 24 pF |
类似零件编号 - 74HCT4046AN |
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类似说明 - 74HCT4046AN |
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