参数资料
型号: LTC1065ISW#PBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC FILTR 5TH ORDR LOWPASS 16SOIC
标准包装: 47
滤波器类型: 贝塞尔,低通开关电容器
频率 - 截止或中心: 50kHz
滤波器数: 1
滤波器阶数: 5th
电源电压: ±2.37 V ~ 8 V
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC
包装: 管件
11
LTC1065
1065fb
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
An input RC can be used to attenuate incoming signals
close to the filter clock frequency (Figure 10). A Bessel
passband response will be maintained if the value of the
input resistor follows Table 1.
Table 4. Aliasing Data
INPUT FREQUENCY
OUTPUT FREQUENCY
0.9995 fCLK
0.0005 fCLK
– 0.01 dB
0.995 fCLK
0.005 fCLK
– 0.98 dB
0.99
fCLK
0.01
fCLK
–3.13 dB
0.9875 fCLK
0.0125 fCLK
– 4.79 dB
0.985 fCLK
0.015 fCLK
– 7.21 dB
0.9825 fCLK
0.0175 fCLK
– 10.43 dB
0.98
fCLK
0.02
fCLK
– 14.14 dB
0.975 fCLK
0.025 fCLK
– 21.84 dB
0.97
fCLK
0.03
fCLK
– 28.98 dB
0.965 fCLK
0.035 fCLK
– 35.31 dB
0.96
fCLK
0.04
fCLK
– 40.94 dB
0.955 fCLK
0.045 fCLK
– 45.96 dB
0.95
fCLK
0.05
fCLK
– 50.46 dB
0.94
fCLK
0.06
fCLK
– 58.29 dB
0.93
fCLK
0.07
fCLK
– 64.90 dB
0.9
fCLK
0.1
fCLK
– 80.20 dB
OUTPUT AMPLITUDE
REFERENCED TO
INPUT SIGNAL
VIN
VOUT
1065 F10
C
V
V+
R
0.1
F
1
2
3
4
8
7
6
5
LTC1065
0.1
F
fCLK
20
10
2
πRC
1
fCLK
Figure 10. Adding an Input Anti-Aliasing RC
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