参数资料
型号: LTC1062CN8
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC FILTER 5TH ORDER LOWPASS 8DIP
标准包装: 50
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: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-PDIP
包装: 管件
11
LTC1062
1062fd
7th Order 100Hz Lowpass Filter with Continuous Output Filtering, Output Buffering and Gain Adjustment
FB
AGND
V
DIVIDER
RATIO
BOUT
OUT
V+
COSC
1
2
3
4
8
7
6
5
LTC1062
1F
VIN
2.6k
–5V
5V
1062 TA13
10kHz
CLK IN
DC GAIN
1
10
R3
3.57k
R4
0
32.4k
R1
14.3k
46k
R2
53.6k
274k
C1
0.1F
0.01F
C2
0.033F
0.02F
THE LTC1052 IS CONNECTED AS A 2ND ORDER SALLEN AND KEY LOWPASS FILTER WITH A CUTOFF
FREQUENCY EQUAL TO THE CUTOFF FREQUENCY OF THE LTC1062. THE ADDITIONAL FILTERING
ELIMINATES ANY 10kHz CLOCK FEEDTHROUGH PLUS DECREASES THE WIDEBAND NOISE OF THE FILTER
DC OUTPUT OFFSET (REFERRED TO A DC GAIN OF UNITY) = 5V MAX
WIDEBAND NOISE (REFERRED TO A DC GAIN OF UNITY) = 60VRMS
R1
+
3
0.1F
VOUT
2
7
5V
6
8
4
1
C2
–5V
C1
R3
R4
R2
LTC1052
OUTPUT FILTER COMPONENT VALUES
Single 5V Supply 5th Order LP Filter
FB
AGND
V
DIVIDER
RATIO
BOUT
OUT
V+
COSC
1
2
3
4
8
7
6
5
LTC1062
1062 TA14
C
VIN
R
5V
10F
SOLID
TANTALUM
5V
25k
5V
CLK
FOR A 10Hz FILTER: R = 29.4k, C = 1F, fCLK = 1kHz
THE FILTER IS MAXIMALLY FLAT FOR
DC ACCURATE
OUTPUT
BUFFERED
OUTPUT
25k
12R
+
1
2πRC
=
fC
1.84
TYPICAL APPLICATIO S
U
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