参数资料
型号: CD74HCT4046AMT
厂商: Texas Instruments
文件页数: 9/34页
文件大小: 0K
描述: IC PLL W/VCO HS 16-SOIC
标准包装: 250
系列: 74HCT
类型: 锁相环路(PLL)
PLL:
输入: CMOS
输出: CMOS
电路数: 1
比率 - 输入:输出: 1:4
差分 - 输入:输出: 无/无
频率 - 最大: 38MHz
除法器/乘法器: 无/无
电源电压: 4.5 V ~ 5.5 V
工作温度: -55°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC N
包装: 带卷 (TR)
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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