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LT3040 - Ultrahigh PSRR Precision DAC/Reference Buffer

General Description

The LT®3040 is a high performance, robust Voltage Output Reference/DAC buffer that employs a unique architecture that seeks to maintain the precision and accuracy of the Reference or DAC while sourcing up to 200mA.

Key Features

  • nn Ultralow Wideband Noise: 1.2µVRMS (10Hz to 100kHz) nn Ultralow 1/f Noise: 0.6µVP-P (0.1Hz to 10Hz) nn Ultralow Spot Noise: 4nV/√Hz at 1kHz and Above nn Ultrahigh PSRR: 73dB at 1MHz nn Ultralow Input Offset: 125µV nn Output Source Current: 200mA nn Wide Input Voltage Range: 1.8V to 20V nn Rail to Rail Output Voltage Range: 0V to 15V nn Single Capacitor Improves Noise and PSRR nn Fast Start-Up for VIN Pin nn FAULT Flag nn High Bandwidth: 1MHz nn Low Dropout Voltage: 350mV nn Programmable Curren.

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Datasheet Details

Part number LT3040
Manufacturer Analog Devices
File Size 3.84 MB
Description Ultrahigh PSRR Precision DAC/Reference Buffer
Datasheet download datasheet LT3040 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LT3040 20V, 200mA, Ultralow Noise, Ultrahigh PSRR Precision DAC/Reference Buffer FEATURES nn Ultralow Wideband Noise: 1.2µVRMS (10Hz to 100kHz) nn Ultralow 1/f Noise: 0.6µVP-P (0.1Hz to 10Hz) nn Ultralow Spot Noise: 4nV/√Hz at 1kHz and Above nn Ultrahigh PSRR: 73dB at 1MHz nn Ultralow Input Offset: 125µV nn Output Source Current: 200mA nn Wide Input Voltage Range: 1.8V to 20V nn Rail to Rail Output Voltage Range: 0V to 15V nn Single Capacitor Improves Noise and PSRR nn Fast Start-Up for VIN Pin nn FAULT Flag nn High Bandwidth: 1MHz nn Low Dropout Voltage: 350mV nn Programmable Current Limit nn Precision Enable/UVLO nn Parallelable for Lower Noise and Higher Current nn Internal Current Limit with Foldback nn Minimum Output Capacitor: 4.