参数资料
型号: LTC1062CSW#TR
厂商: Linear Technology
文件页数: 15/16页
文件大小: 0K
描述: IC FILTER LP 5TH ORDER 16-SOIC
标准包装: 1,000
滤波器类型: 巴特沃斯,低通开关电容器
频率 - 截止或中心: 20kHz
滤波器数: 1
滤波器阶数: 5th
电源电压: ±8V,5V
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: 带卷 (TR)
8
LTC1062
1062fd
AC Coupling an External CMOS Clock Powered
from a Single Positive Supply, V+
FB
AGND
V
DIVIDER
RATIO
BOUT
OUT
V+
COSC
1
2
3
4
8
7
6
5
LTC1062
0.01F
V+
0
1062 TA03
C
VIN
V+
100k
VOUT
V
Adding an External (R1, C1) to Eliminate the Clock Feedthrough and
to Improve the High Frequency Attenuation Floor
FB
AGND
V
DIVIDER
RATIO
BOUT
OUT
V+
COSC
1
2
3
4
8
7
6
5
LTC1062
VOUT
V+
fCLK
1062 TA04
C
C1
0.01C
VIN
R
V
R1
10R
+
EXTERNAL
BUFFER
Filtering AC Signals from High DC Voltages
FB
AGND
V
DIVIDER
RATIO
BOUT
OUT
V+
COSC
1
2
3
4
8
7
6
5
LTC1062
CLK IN = fC 100
1062 TA05
C
0.01F
C
0.01F
12R
309.6k
VIN
R
25.8k
V= –5V
V+ = 5V
DC OUTPUT
EXAMPLE:
fCLK = 100KHz, fC = 1kHz. THE FILTER ACCURATELY PASSES
THE HIGH DC INPUT AND ACTS AS 5TH ORDER LP FILTER
FOR THE AC SIGNALS RIDING ON THE DC
HIGH DC INPUT = 100V
fIN/fC
0.01
–1.4
PASSBAND
GAIN
(dB)
–1.0
–0.6
0.2
0.1
1
1062 TA06
–0.2
–1.2
–0.8
0
–0.4
VS = ±5V
fCLK = 100kHz
Passband Amplitude Response for the
High DC Accurate 5th Order Filter
TYPICAL APPLICATIO S
U
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