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LM346

Features: `PROGRAMMABLE ELECTRICAL CHARAC-TERISTICS`BATTERY POWERED OPERATION`LOWSUPPLY CURRENT (250A/amplifier)`GAIN-BANDWIDTH PRODUCT : 1MHz`LARGEDC VOLTAGEGAIN : 120dB`LOWNOISE VOLTAGE : 28nV/VHz`WIDE POWER SUPPLY RANGE : ±1.5V to±22V`CLASSE AB OUTPUT STAGE NO CROSSOVER DISTORTION`OVERLOADPROTE...

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SeekIC No. : 004395332 Detail

LM346: Features: `PROGRAMMABLE ELECTRICAL CHARAC-TERISTICS`BATTERY POWERED OPERATION`LOWSUPPLY CURRENT (250A/amplifier)`GAIN-BANDWIDTH PRODUCT : 1MHz`LARGEDC VOLTAGEGAIN : 120dB`LOWNOISE VOLTAGE : 28nV/VHz...

LM346 Data Sheet

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Part Number:
LM346
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

`PROGRAMMABLE ELECTRICAL CHARAC-TERISTICS
`BATTERY POWERED OPERATION
`LOWSUPPLY CURRENT (250A/amplifier)
`GAIN-BANDWIDTH PRODUCT : 1MHz
`LARGEDC VOLTAGEGAIN : 120dB
`LOWNOISE VOLTAGE : 28nV/VHz
`WIDE POWER SUPPLY RANGE : ±1.5V to±22V
`CLASSE AB OUTPUT STAGE NO CROSSOVER DISTORTION
`OVERLOADPROTECTION FORINPUTS ANDOUTPUTS






Pinout

Connection Diagram




Specifications

Gain Bandwidth 1.2 MHz
Channels 4 Channels
Input OutputType Not Rail to Rail
Slew Rate 0.4 Volts/usec
Supply Min 3 Volt
Supply Max 36 Volt
Offset Voltage max, 25C 6 mV
Supply Current Per Channel 0.035 mA
PowerWise Rating 2 29.2 uA/MHz
Max Input Bias Current 250 nA
Output Current 20 mA
Voltage Noise 28 nV/root(Hz)
Shut down No
Special Features Is adj 35uA to 350uA
Function Op Amp
Temperature Min 0 deg C
Temperature Max 70 deg C
PowerWise Yes
View Using Catalog


Symbol Parameter LM146 LM246 LM346 Unit
VCC Supply Voltage ±22 ±22 ±22 V
Vi Input Voltage - (note 1) ±15 ±15 ±15 V
Vid Differential Input Voltage ±30 ±30 ±30 V
Output Short-circuit Duration - (note 2) Infinite
Ptot Power Dissipation
N/D Suffix		 500 mW
Toper Operating Free-air Temperature Range 55 to +125 40 to +105 0 to +70
Tstg Storage Temperature Range 65 to +150 65 to +150 65 to +150

Notes : 1. For supply voltages less than ±15V, the absolute maximum input vol tage is equal to the supply vol tage.
2. Any of the amplifier outputs can be shorted to ground indefinitly ; however more than one should not be
simultaneously shorted as the maximum junction temperature wil l be exceeded.






Description

The LM346consists of four independent, high gain, internally compensated, low power programmable amplifiers. Two external resistors (Rset) allow the user to program the gain-bandwith product, slew rate, supply current, input bias current, input offset current and input noise. For example the user can trade-off supply current for bandwidth or optimize noise figure for a given source resistance. In a similar way other amplifier characteristics can be tailored to the application.

Except for the two programming pins at the end of the package the LM346 pin out is the same as the LM324 and LM348.






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