LM3303 datasheet(5/10 Pages) NSC

5 / 10 page

Typical Applications

Multiple Feedback Bandpass Filter

TLH10064 – 4

fo e center frequency

BW e Bandwidth

RinkX

Cin mF

Q e

C1 e C2e

R1 e R2 e 1R3 e 9Q2 b 1

( Usingscalingfactorsintheseexpressions

If source impedance is high or varies filter may be preceded with voltage

follower buffer to stabilize filter parameters

Design example

given Q e 5 fo e 1 kHz

Let R1 e R2 e 10 kX

then R3 e 9(5)2 b 10

R3 e 215 kX

C e

16 nF

Wein Bridge Oscillator

TLH10064 – 5

fo e

2qRC

for fo e 1 kHz

R e 16 kX

C e 001 mF

Comparator with Hysteresis

TLH10064 – 6

VIL e

R1 a R2

(VOL b VREF) a VREF

VIH e

R1 a R2

(VOH b VREF) a VREF

H e

R1 a R2

(VOH b VOL)

High Impedance Differential Amplifier

TLH10064 – 7

VOUT e C(1 a a a b)(V2 b V1)

for best CMRR

R1 e R4

R2 e R5

Gain e

1a2R1R3 J eC(1aaab)

AC Coupled Non-Inverting Amplifier

TLH10064 – 9

AV e 1 a

AV e 11 (as shown)

LM3303 Datasheet(PDF) 5 Page - National Semiconductor (TI)

LM3303 Datasheet(HTML) 5 Page - National Semiconductor (TI)

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