Description

The LTA082H is a cost-effective industry-standard operational amplifier of low power, 40 V wide supply voltage, low noise, rail-to-rail output operational amplifiers capable of operating on supplies ranging from+4.5 V (±2.25 V) to +40 V (±20 V). The LTA offer outstanding dc precision and ac performance, including low offset (± mV typically), low offset drift (±2 μV/°C typically), MHz bandwidth, and nV/√Hz input voltage noise density at 10 kHz. Unique features make the LTA high-performance operational amplifiers for high-voltage industrial applications.

 

The robust design of the LTA082H provides ease-of-use to the circuit designer: integrated RF/EMI rejection filter and high electro-static discharge (ESD) protection. The LTA082H are optimized for operation at voltages from +4.5 V (±2.25 V) to +40 V (±20 V) over the extended temperature range of 40 °C to +125 °C.


Advantages And Characteristics

  •  Wide Supply: ±2.25 V to ±20 V, 4.5 V to 40 V

  •  Low Offset Voltage: ±1 mV typically

  •  Low Offset Voltage Drift: ±2 μV/°C

  •  High Common-Mode Rejection: 105 dB

  •  Gain Bandwidth: 5.25 MHz

  •  Slew Rate: 9 V/μs

  •  Low Noise: 21 nV/√Hz at 10 kHz

  •  Low Bias Current: ±5 nA over the extended temperature range

  •  Rail-to-Rail Output


Application

  •  Tracking Amplifier in Power Modules

  •  Merchant Power Supplies

  •  High-Side and Low-Side Current Sensing

  •  Battery-Powered Instruments

  •  Programmable Logic Controllers

  •  Solar energy: string and central inverter

  •  Motor drives: AC and servo drive control and power stage modules

  •  Single phase online UPS

  •  Three phase UPS

  •  Pro audio mixers


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