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Part Number: LM146
Description: The LM346consists of four independent, high gain, internally compensated, low power programmable ampli...
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LM146
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DataSheet
General Description
LM146 General 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.
LM146 Maximum Ratings
| 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.
LM146 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
LM146 Connection Diagram
LM146
PDF/DataSheet Download
- Datasheet: LM146
- File Size: 146644 KB
- Manufacturer: STMicro
- Click here to Download
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