參數(shù)資料
型號(hào): 74HC4046AD/T3
廠商: NXP SEMICONDUCTORS
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, PDSO16
封裝: SOT-109, SOP-16
文件頁數(shù): 29/34頁
文件大?。?/td> 442K
代理商: 74HC4046AD/T3
1997 Nov 25
4
Philips Semiconductors
Product specication
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 W):
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
;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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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