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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

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.