74HCT4046AN datasheet(4/34 Pages) PHILIPS

部件名	74HCT4046AN

功能描述	Phase-locked-loop with VCO

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制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

标志

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

pF

CPD

power dissipation capacitance per

package

notes 1 and 2

24

pF

类似零件编号 - 74HCT4046AN

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