FIGURE 34. HC4046A VCO LINEARITY vs R1 (VCC
參數(shù)資料
型號: CD74HC4046AE
廠商: Texas Instruments
文件頁數(shù): 9/34頁
文件大?。?/td> 0K
描述: IC PLL W/VCO 16-DIP
標(biāo)準(zhǔn)包裝: 25
系列: 74HC
類型: 鎖相環(huán)路(PLL)
PLL:
輸入: CMOS
輸出: CMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:4
差分 - 輸入:輸出: 無/無
頻率 - 最大: 38MHz
除法器/乘法器: 無/無
電源電壓: 2 V ~ 6 V
工作溫度: -55°C ~ 125°C
安裝類型: 通孔
封裝/外殼: 16-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 16-PDIP
包裝: 管件
產(chǎn)品目錄頁面: 964 (CN2011-ZH PDF)
其它名稱: 296-9208-5
17
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
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
LINEARITY
(%)
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
LINEARITY
(%)
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
LINEARITY
(%)
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
LINEARITY
(%)
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
DEMODULA
T
OR
PO
WER
DISSIP
A
TION,
P
D
(
W)
CD54HC4046A, CD74HC4046A, CD54HCT4046A, CD74HCT4046A
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