ADI LT6658BHDE-1.8#PBF

The LT6658 is a family of precision dual-output voltage references combining the performance of an accurate voltage reference and a Refulator™ LDO regulator. Both outputs are well-suited for driving the reference inputs of high-resolution ADCs and DACs — even under heavy loads — while simultaneously powering microcontrollers and other circuitry. Both outputs share identical accuracy specifications and track each other across the full temperature and load range. Each output can be configured with external resistors to provide an output voltage of up to 6V. With Kelvin connections, the LT6658 typically achieves 0.1ppm/mA load regulation and supports load currents up to 150mA. The device provides a noise reduction pin for bandwidth limiting and reduction of total integrated noise. Each output has a separate supply pin, offering options for reduced power dissipation and isolation of buffer amplifiers. The outputs feature excellent power supply rejection and remain stable with capacitors from 1μF to 50μF. The LT6658 is available in a 16-lead exposed pad MSOP package for thermal management. Short-circuit protection and thermal protection help prevent thermal overstress.

• Dual-output tracking voltage reference
• Each output configurable up to 6V
• Output 1: 150mA (source) / 20mA (sink)
• Output 2: 50mA (source) / 20mA (sink)
• Low drift: Grade A: 10ppm/°C (max); Grade B: 20ppm/°C (max)
• High accuracy: Grade A: ±0.05% (max); Grade B: ±0.1% (max)
• Low noise: 1.5ppmP-P (0.1Hz to 10Hz)
• Wide supply voltage range (up to 36V)
• Load regulation: 0.25µV/mA
• AC PSRR: 96dB (at 10kHz)
• Kelvin sense connection at output
• Thermal shutdown
• Separate supply pin per output
• Output voltage options: 1.2V, 1.8V, 2.5V, 3V, 3.3V, and 5V, all adjustable
• MSE16 exposed pad package

• Microcontroller or FPGA applications with ADC/DAC
• Data acquisition systems
• Automotive control and monitoring
• Precision low-noise voltage regulators
• Instrumentation and process control