LT3040

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: 4.7µF Ceramic nn Reverse Supply and Reverse Current Protection nn Thermal Limit with Hysteresis nn 10-Lead 3mm × 3mm DFN and 12-Lead MSOP APPLICATIONS nn High Speed/High Precision Data Converters nn High Precision Voltage References nn Very Low Noise Instrumentation 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. It features ADI’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive, high accuracy systems. Designed as an advanced voltage buffer for Voltage Output References/DACs, the LT3040 features extremely low 1/f noise, very low wideband noise...