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LM346JNSN/a6avaiProgrammable Quad Operational Amplifier


LM346J ,Programmable Quad Operational Amplifierelectrical characteristicsgrammable amplifiers. Two external resistors (R ) allowSET n Battery-powe ..
LM346M ,Programmable Quad Operational AmplifierLM146/LM346 Programmable Quad Operational AmplifiersAugust 2000LM146/LM346Programmable Quad Operati ..
LM346MX ,Programmable Quad Operational Amplifierelectrical characteristicsgrammable amplifiers. Two external resistors (R ) allowSET n Battery-powe ..
LM346N ,Programmable Quad Operational AmplifierLM146LM246LM346PROGRAMMABLEQUAD BIPOLAR OPERATIONAL AMPLIFIER ■ PROGRAMMABLE ELECTRICAL CHARAC- ..
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LM346J
Programmable Quad Operational Amplifier
LM146/LM346
Programmable Quad Operational Amplifiers
General Description

The LM146 seriesof quadop amps consistsof four indepen-
dent, high gain, internally compensated, low power, pro-
grammable amplifiers. Two external resistors (RSET) allow
the userto program the gain bandwidth product, slew rate,
supply current, input bias current, input offset current andin-
put noise. For example,the user can trade-off supply current
for bandwidthor optimize noise figurefora given sourcere-
sistance.Ina similar way, other amplifier characteristics can tailoredto the application. Exceptfor the two program-
ming pinsat the endof the package, the LM146 pin-outis
the sameas the LM124 and LM148.
Features

(ISET=10 μA) Programmable electrical characteristics Battery-powered operation Low supply current: 350 μA/amplifier Guaranteed gain bandwidth product: 0.8 MHz min Large DC voltage gain: 120dB Low noise voltage: 28 Wide power supply range: ±1.5Vto ±22V ClassAB output stage–no crossover distortion Idealpin outfor Biquad active filters Input bias currents are temperature compensated
Connection Diagram PROGRAMMING EQUATIONS

Total Supply Current= 1.4 mA (ISET/10 μA)
Gain Bandwidth Product=1 MHz (ISET/10 μA)
Slew Rate= 0.4V/μs (ISET/10 μA)
Input Bias Current.50nA (ISET/10 μA)
ISET= Current intopin8,pin9 (see schematic-diagram)
Capacitorless Active Filters (Basic Circuit)
Dual-In-Line Package

DS005654-1
Top View
Order Number LM146J, LM146J/883,
LM346M,LM346MXor LM346N
SeeNS Package Number
J16A, M16Aor N16A

DS005654-16
August 2000
LM146/LM346
Programmable
Quad
Operational
Amplifiers
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