参数资料
型号: LTC1064-7CSW
厂商: Linear Technology
文件页数: 11/16页
文件大小: 0K
描述: IC FILTR 8TH ORDR LOWPASS 16SOIC
标准包装: 47
滤波器类型: 线性相位,低通开关电容器
频率 - 截止或中心: 100kHz
滤波器数: 1
滤波器阶数: 8th
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
其它名称: LTC1064-7CS
4
LTC1064-7
10647fb
Figure 1. Phase Response in the Passband (Note 2)
FREQUENCY (kHz)
0
–360
PHASE
(DEG)
–270
–180
–90
0
90
180
4
8
12
16
1164-7 F01
20
2
6
10
14
18
fCLK = 1MHz
RATIO = 50:1
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Input frequencies, f, are linearly phase shifted through the filter as
long as f
≤ fC; fC = cutoff frequency.
Figure 1 curve shows the typical phase response of an LTC1064-7
operating at fCLK = 1MHz, ratio = 50:1, fC = 20kHz and it closely matches
an ideal straight line. The phase shift is described by: phase shift =
180
° – F (f/fC); f ≤ fC.
F is arbitrarily called the “phase factor” expressed in degrees. The phase
factor allows the calculation of the phase at a given frequency.
Example: The phase shift at 14kHz of the LTC1064-7 shown in Figure 1 is:
phase shift = 180
° – 430° (14kHz/20kHz) ± nonlinearity = –121° ± 1% or
–121
°± 1.20°.
Note 3: Group delay and group delay deviation are calculated from the
measured phase factor and phase deviation specifications.
Note 4: Phase deviation and group delay deviation for LTC1064-7MJ is
±4%.
Note 5: The AC swing is typically 11VP-P, 7VP-P, 2.8VP-P, with ±7.5V, ±5V,
±2.5V Supply respectively. For more information refer to the THD + Noise
vs Input graphs.
ELECTRICAL CHARACTERISTICS
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