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PDF LM3303 Data sheet ( Hoja de datos )

Número de pieza LM3303
Descripción Quad Operational Amplifiers
Fabricantes National Semiconductor 
Logotipo National Semiconductor Logotipo



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No Preview Available ! LM3303 Hoja de datos, Descripción, Manual

February 1995
LM3303 LM3403
Quad Operational Amplifiers
General Description
The LM3303 and LM3403 are monolithic quad operational
amplifiers consisting of four independent high gain internal-
ly frequency compensated operational amplifiers designed
to operate from a single power supply or dual power sup-
plies over a wide range of voltages The common mode
input range includes the negative supply thereby eliminat-
ing the necessity for external biasing components in many
applications
Features
Y Input common mode voltage range includes ground or
negative supply
Y Output voltage can swing to ground or negative supply
Y Four internally compensated operational amplifiers in a
single package
Y Wide power supply range single supply of 3 0V to 36V
dual supply of g1 5V to g18V
Y Class AB output stage for minimal crossover distortion
Y Short circuit protected outputs
Y High open loop gain 200k
Y LM741 operational amplifier type performance
Applications
Y Filters
Y Voltage controlled oscillators
Connection Diagram
14-Lead DIP and SO-14 Package
Top View
TL H 10064 – 1
Equivalent Circuit ( of Circuit)
Order Information
Device
Code
LM3303J
LM3303N
LM3303M
LM3403J
LM3403N
LM3403M
Package
Code
J14A
N14A
M14A
J14A
N14A
M14A
Package
Description
Ceramic DIP
Molded DIP
Molded Surface Mount
Ceramic DIP
Molded DIP
Molded Surface Mount
C1995 National Semiconductor Corporation TL H 10064
TL H 10064 – 2
RRD-B30M115 Printed in U S A

1 page




LM3303 pdf
Typical Applications
Multiple Feedback Bandpass Filter
Comparator with Hysteresis
fo e center frequency
BW e Bandwidth
R in kX
C in mF
Q e fo k 10
BW
TL H 10064 – 4
Q
C1 e C2e
3
(R1 e R2 e 1 R3 e 9Q2 b 1 Using scaling factors in these expressions
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
5
C e e 1 6 nF
3
Wein Bridge Oscillator
1
fo e 2qRC for fo e 1 kHz
R e 16 kX
C e 0 01 mF
TL H 10064 – 5
R1
VIL e R1 a R2 (VOL b VREF) a VREF
R1
VIH e R1 a R2 (VOH b VREF) a VREF
R1
H e R1 a R2 (VOH b VOL)
TL H 10064 – 6
High Impedance Differential Amplifier
VOUT e C(1 a a a b)(V2 b V1)
R2 R6
A for best CMRR
R5 R7
R1 e R4
R2 e R5
 JR6 2R1
Gain e
1a
e C (1 a a a b)
R5 R3
TL H 10064 – 7
AC Coupled Non-Inverting Amplifier
R2
AV e 1 a R1
AV e 11 (as shown)
5
TL H 10064 – 9

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