LTC1064 데이터 시트보기 (PDF) - Linear Technology

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LTC1064

Low Noise, Fast, Quad Universal Filter Building Block

Linear Technology 

LTC1064

TYPICAL APPLICATIO S

Clock-Tunable, 30kHz to 90kHz 8th Order Notch Filter

Providing Notch Depth in Excess of 60dB

R13

C2

R14

8V

R11

VIN1

R22

R32

R42

C1

0.1µF

R12

R31

R21

1 INV B

INV C 24

2 HPB/NB HPC/NC 23

3 BPB

BPC 22

4 LPB

LPC 21

5 SB

SC 20

6 AGND

V– 19

7 V+ LTC1064 CLK 18

8 SA

50/100 17

9 LPA

LPD 16

10 BPA

BPD 15

11 HPA/NA

HPD 14

12 INV A

INV D 13

R23

R33

–8V

C3

R44

R34

R24

RL4

0.1%

RESISTOR VALUES:

R11 = 50k R21 = 5k

R12 = 15.4k R22 = 10k

R13 = 10k R23 = 10k

R14 = 9.09k R24 = 10k

R31 = 50k

R32 = 88.7k

R33 = 100k

R34 = 63.4k

R42 = 48.7k

R44 = 12.4k

RH4

0.1%

RG = 68.1k

RL4 = 10k (0.1%)

RH4 = 10k (0.1%)

0.1µF

fCLK ≤ 5MHz

C1 = C2 = C3 = 15pF

THE NOTCH DEPTH FROM

5kHz TO 30kHz IS 50dB

WIDEBAND NOISE = 300µVRMS

RG

–

LT1056

+

VOUT

1064 TA21

Amplitude Response

10

0

BW

–10

–20

–30

–40

–50

–60

–70

–80

–90 VS = ±8V

–100 fCLK = 4MHz

–110

10 20 30 40 50 60 70

INPUT FREQUENCY (kHz)

1064 TA22

RELATED PARTS

PART NUMBER

LTC1061

LTC1068 Series

LTC1164

LTC1264

DESCRIPTION

Triple Universal Filter Building Block

Quad Universal Building Blocks

Low Power, Quad Universal Filter Building Block

High Speed, Quad Universal Building Block

COMMENT

Three Filter Building Blocks in a 20-Pin Package

fCLK:fO = 25:1, 50:1, 100:1 and 200:1

Low Noise, Low Power Pin-for-Pin LTC1064 Compatible

Up to 250kHz Center Frequency

20 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

1064fb

LT/LT 0905 REV B • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 1989

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