LTC1062MJ8(RevD) 查看數據表（PDF） - Linear Technology

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LTC1062MJ8
(Rev.:RevD)

5th Order Lowpass Filter

Linear Technology 

LTC1062

TYPICAL APPLICATIO S

25.8k

VIN

1µF

1

FB

2

AGND

8

BOUT

7

OUT

LTC1062

–5V 3 V–

V+ 6

4

5

DIVIDER COSC

RATIO

Simple Cascading Technique

412k

0.1µF

1

FB

2

AGND

8

BOUT

7

OUT

LTC1062

–5V 3 V–

V+ 6

4

5

DIVIDER COSC

RATIO

5V

3+

7

6

LTC1052

2–

8

4

1

DC ACCURATE

OUTPUT

0.1µF

0.1µF

–5V

10Hz, 10TH ORDER DC ACCURATE LOWPASS FILTER

60dB/OCTAVE ROLLOFF

0.5dB PASSBAND ERROR, 0dB DC GAIN

MAXIMUM ATTENUATION 110dB (fCLK = 10kHz)

100dB (fCLK = 1kHz)

95dB (fCLK = 1MHz)

V+ = 5V

fCLK = 1kHz

1062 TA11

100Hz, 50Hz, 25Hz 5th Order DC Accurate LP Filter

25.8k

VIN

0.1µF

VOUT

0.1µF

0.2µF

1

3

13

5

2 1/2 CD4016 4

1

FB

2

AGND

8

BOUT

BOUT

7

OUT

LTC1062

–5V 3 V–

V+ 6 5V

4 DIVIDER COSC 5 10kHz

RATIO

CLK IN

CONTROL

(HIGH, GROUND, LOW)

100k

5V

100k

TO PIN 5 OF CD4016

–5V

5V

100k

BY CONNECTING PIN 4 OF THE LTC1062

HIGH/GROUND/LOW THE FILTER CUTOFF

FREQUENCY IS 100Hz/50Hz/25Hz

TO PIN 13 OF CD4016

100k

–5V 1062 TA12

1062fd

10

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