參數(shù)資料
型號: CD74HCT4046AMTE4
廠商: TEXAS INSTRUMENTS INC
元件分類: XO, clock
英文描述: PHASE LOCKED LOOP, 38 MHz, PDSO16
封裝: GREEN, PLASTIC, MS-012AC, SOIC-16
文件頁數(shù): 5/32頁
文件大小: 687K
代理商: CD74HCT4046AMTE4
13
FIGURE 11. HC4046A TYPICAL CENTER FREQUENCY vs R1,
C1 (VCC = 4.5V)
FIGURE 12. HC4046A TYPICAL CENTER FREQUENCY vs R1,
C1 (VCC = 6V)
FIGURE 13. HC4046A TYPICAL CENTER FREQUENCY vs R1,
C1 (VCC = 3V, R2 = OPEN)
FIGURE 14. HCT4046A TYPICAL CENTER FREQUENCY vs R1,
C1 (VCC = 4.5V)
FIGURE 15. HCT4046A TYPICAL CENTER FREQUENCY vs R1,
C1 (VCC = 5.5V)
FIGURE 16. HC4046A TYPICAL VCO FREQUENCY vs VCOIN
(R1 = 1.5M
, C1 = 50pF)
Typical Performance Curves (Continued)
108
107
106
105
104
103
102
10
1
110
102
103
104
105
106
CAPACITANCE, C1 (pF)
CENTER
FREQ
UENCY
(Hz)
VCOIN = 0.5 VCC
VCC = 4.5V
R1 = 2.2K
R1 = 22K
R1 = 220K
R1 = 2.2M
R1 = 11M
108
107
106
105
104
103
102
10
1
110
102
103
104
105
106
CAPACITANCE, C1 (pF)
CENTER
FREQ
UENCY
(Hz)
VCOIN = 0.5 VCC
VCC = 6.0V
R1 =3K
R1 = 30K
R1 =330K
R1 = 3M
R1 = 15M
108
107
106
105
104
103
102
10
1
110
102
103
104
105
106
CAPACITANCE, C1 (pF)
CENTER
FREQ
UENCY
(Hz)
VCOIN = 0.5 VCC
VCC = 3.0V
R2 = OPEN
R1 = 1.5K
R1 = 15K
R1 = 150K
R1 = 1.5M
R1 = 7.5M
108
107
106
105
104
103
102
10
1
110
102
103
104
105
106
CAPACITANCE, C1 (pF)
CENTER
FREQ
UENCY
(Hz)
VCOIN = 0.5 VCC
VCC = 4.5V
R1 = 2.2K
R1 = 22K
R1 = 220K
R1 = 2.2M
R1 = 11M
108
107
106
105
104
103
102
10
1
110
102
103
104
105
106
CAPACITANCE, C1 (pF)
CENTER
FREQ
UENCY
(Hz)
VCOIN = 0.5 VCC
VCC = 5.5V
R1 = 3K
R1 = 30K
R1 = 300K
R1 = 3M
R1 = 15M
140
120
100
80
60
40
20
01
2
3
4
5
6
VCOIN (V)
VCO
FREQ
UENCY
(kHz)
C1 = 50pF
R1 = 1.5M
VCC = 3V
VCC = 4.5V
VCC = 6V
CD54HC4046A, CD74HC4046A, CD54HCT4046A, CD74HCT4046A
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