LTC1060CSW datasheet(14/20 Pages) AD

14 / 20 page

LTC1060

1060fb

Figure 13. Mode 4: 2nd Order Filter Providing Allpass,

Bandpass, Lowpass

Figure 14. Mode 4a: 2nd Order Filter Providing Highpass,

Bandpass, Lowpass, Allpass

Figure 15. Mode 5: 2nd Order Filter Providing Numerator

Complex Zeros, Bandpass, Lowpass

Figure 16. Mode 6a: 1st Order Filter Providing Highpass,

Lowpass

1/2 LTC1060

SA/B

VIN

f0 =; Q =; HOAP = –

; HOLP = –2 HOBP = – 2

fCLK

100(50)

TLC1060 • MOO10

–

R1 = R2

AP2

(18)

(20)

(19)

S1A

(16)

V +

(17)

()

∫∫

1/2 LTC1060

SA/B

VIN

–

(18)

(20)

(19)

S1A

(16)

V –

(17)

f0 =; Q =

; H0BP = –

; H0AP =

; H0HP = –

fCLK

100(50)

TLC1060 • MOO11

; H0LP = –

–

EXTERNAL

OP AMP

∫∫

1/2 LTC1060

SA/B

VIN

TLC1060 • MOO12

–

(18)

(20)

(19)

S1A

(16)

V +

(17)

f0 =

Q2 =

1 +

; fz =

; Q =

fCLK

100(50)

fCLK

100(50)

fCLK

()

1 +

1 –

; HOZ = (f

0) =

(R4/R1) –1

(R4/R2) + 1

; HOZ

;

←

() =

1 + (R2/R1)

1 + (R2/R4)

HOBP

; HOLP

1 +

∫∫

1/2 LTC1060

SA/B

VIN

–

(18)

(20)

(19)

S1A

(16)

V –

(17)

fC =; H0LP = –R3/R1 ; H0HP = –R2/R1

fCLK R2

100(50) R3

TLC1060 • MOO13

∫

ODES OF OPERATIO

LTC1060CSW Datasheet(PDF) 14 Page - Analog Devices

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