LTC1064 datasheet(14/20 Pages) LINER

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LTC1064

1064fb

INV B

HPB/NB

BPB

LPB

AGND

V+

LPA

BPA

HPA/NA

INV A

INV C

HPC/NC

BPC

LPC

V–

CLK

50/100

LPD

BPD

HPD

INV D

LTC1064

R22

R32

R42

R21

R31

R41

R11

RL2

R44

R34

R24

7.5V

0.1

µF

–7.5V

VOUT

VIN

1064 TA13

R43

R33

R23

RESISTOR VALUES:

R11 = 19.1k

R21 = 10k

R31 = 13.7k

R41 = 15.4k

RL1 = 14k

RH1 = 30.9k

R22 = 10k

R32 = 23.7k

R42 = 10.2k

RL2 = 26.7k

RH2 = 76.8k

R23 = 11.3k

R33 = 84.5k

R43 = 10k

RL3 = 10k

RH3 = 60.2k

R24 = 15.4k

R34 = 15.2k

R44 = 42.7k

NOTE: FOR tCUTOFF >15kHz, ADD A 5pF CAPACITOR ACROSS R41 AND R43

fCLK ≤ 2MHz

RL1

RH1

RH2

RL3

RH3

0.1

µF

TYPICAL APPLICATIO S

FREQUENCY (kHz)

–15

–30

–45

–60

–75

–90

–105

1064 TA14

8TH ORDER CLOCK-SWEEPABLE LOWPASS

ELLIPTIC ANTIALIASING FILTER MAINTAINS,

FOR 0.1Hz

≤ fCUTOFF ≤ 20kHz, A ±0.1dB MAX

PASSBAND ERROR AND 72dB MIN STOPBAND

ATTENUATION AT 1.5

× fCUTOFF

TOTAL WIDEBAND NOISE = 150

µVRMS,

THD = 70dB (0.03%) FOR VIN = 3VRMS,

fCLK/fCUTOFF = 100:1. THIS FILTER AVAILABLE

AS LTC1064-1 WITH INTERNAL THIN FILM

RESISTORS

8th Order Clock-Sweepable Lowpass Elliptic Antialiasing Filter

Amplitude Response

LTC1064 Datasheet(PDF) 14 Page - Linear Technology

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