LTC1066-1 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC1066-1

14-Bit DC Accurate Clock-Tunable, 8th Order Elliptic or Linear Phase Lowpass Filter

Linear Technology 

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TYPICAL APPLICATIO

DC Accurate Lowpass Filter with Input Anti-Aliasing

(fCLK > 250kHz)

LTC1066-1

2ND ORDER RC ANTI-ALIASING

FILTER PROVIDES –36dB ATTENUATION

TO INPUTS AT 2fCLK

402Ω

1k

VIN

C

C

f–3dB IS THE –3dB FREQUENCY

OF THE 2ND ORDER RC FILTER

f–3dB = 5•fCUTOFF

C=

100

f–3dB

µF (f–3dB IN Hz)

fCUTOFF =

fCLK

50

–7.5V

20Ω

0.1µF

7.5V

0.1µF

fCLK

20k

7.5V

1µF

1 OUT A

V+ 18

2 –IN A

OUT B 17

3 +IN A

+IN B 16

4 V–

LTC1066-1 GND 15

5 V+

FILTERIN 14

6 CONNECT 1

COMP 2 13

7 FILTEROUT

8 50/100

CONNECT 2 12

COMP 1 11

9 CLK

V– 10

0.1µF

20Ω

VOUT

0.1µF

– 7.5V

1066-1 TA06

10661fa

17

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