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CD54HC4046AF 数据表(PDF) 17 Page - Texas Instruments

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部件名 CD54HC4046AF
功能描述  High-Speed CMOS Logic Phase-Locked Loop with VCO
PDF  28 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

CD54HC4046AF 数据表(HTML) 17 Page - Texas Instruments

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FIGURE 33. DEFINITION OF VCO FREQUENCY LINEARITY
FIGURE 34. HC4046A VCO LINEARITY vs R1 (VCC = 4.5V)
FIGURE 35. HC4046A VCO LINEARITY vs R1 (VCC = 3V)
FIGURE 36. HC4046A VCO LINEARITY vs R1 (VCC = 6V)
FIGURE 37. HCT4046A VCO LINEARITY vs R1 (VCC = 4.5V,
VCC = 5.5V)
FIGURE 38. HC4046A DEMODULATOR POWER DISSIPATION
vs RS (TYP) (VCC = 3V, 4.5V, 6V)
Typical Performance Curves (Continued)
f
f2
f0
f0
f1
∆V
1/2VCC
VVCOIN
MIN
MAX
∆V
∆V = 0.5V OVER THE VCC RANGE:
FOR VCO LINEARITY
f’o = f1 + f2
2
LINEARITY =
f’o - fo
f’o
x 100%
1K
10K
100K
1M
10M
R1 (OHMS)
8
6
4
2
0
-2
-4
-6
-8
VCOIN = 2.25V ± 1V
C1 = 50pF
VCC = 4.5V
R2 = OPEN
VCOIN = 2.25V ± 0.45V
1K
10K
100K
1M
10M
R1 (OHMS)
8
6
4
2
0
-2
-4
-6
-8
VCOIN = 1.50V ± 0.4V
C1 = 50pF
VCC = 3V
R2 = OPEN
VCOIN = 1.50V ± 0.3V
1K
10K
100K
1M
10M
R1 (OHMS)
8
6
4
2
0
-2
-4
-6
-8
VCOIN = 3V ± 1.5V
C1 = 50pF
VCC = 6V
R2 = OPEN
VCOIN = 3V ± 0.6V
1K
10K
100K
1M
10M
R1 (OHMS)
8
6
4
2
0
-2
-4
-6
-8
VCC = 5.5V,
C1 = 50pF
R2 = OPEN
VCC = 4.5V,
VCOIN = 2.75V ±1.3V
VCOIN = 2.25V ±1.0V
VCC = 5.5V,
VCC = 4.5V,
VCOIN = 2.75V ±0.55V
VCOIN = 2.25V ±0.45V
VCOIN = 0.5 VCC
1K
10K
100K
1M
RS (OHMS)
104
103
102
10
1
VCC = 3V
VCC = 4.5V
VCC = 6V
CD54HC4046A, CD74HC4046A, CD54HCT4046A, CD74HCT4046A



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