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The LT6658AHDE-1.2 is a precision dual-output reference voltage source device that combines the performance of a precision reference voltage source with that of a linear regulator (which we call a Refulator™). Even with heavy loads, the two outputs are ideal for driving the reference inputs of high-resolution ADCs and DACs while also powering microcontrollers and other circuits. Both outputs have the same precision specifications and remain consistent across temperature and load ranges. Each output can be configured using external resistors to provide output voltages up to 6V.

The LT6658AHDE-1.2 uses Kelvin connections and typically offers a load regulation of 0.1ppm/mA and a load current of up to 150mA. A noise reduction pin can be used to reduce total integrated noise and limit its bandwidth.

Each output provides a separate power supply pin, which can reduce power consumption and isolate the buffer amplifier. These outputs have excellent power supply rejection characteristics, remaining stable with capacitors ranging from 1μF to 50μF.

LT6658AHDE-1.2 Product Attributes

Product Type:    Reference Voltage    

Mounting Style:    SMD/SMT    

Package/Case:    DFN-16

Reference Type:    Series Precision References    

Output Voltage:    1.2 V    

Initial Accuracy:    0.05%    

Temperature Coefficient:    10 ppm/°C    

Series VREF—Input Voltage—Maximum:    36 V    

Shunt Current—Maximum:    3.2 mA

Minimum Operating Temperature:    -40°C    

Maximum Operating Temperature:    +125°C    

Series:    LT6658    

Operating Supply Current:    2 mA

Applications for LT6658AHDE-1.2

Microcontrollers or FPGAs with ADC/DAC applications

Data acquisition systems

Automotive control and monitoring

High-precision, low-noise voltage regulators

Instrumentation and process control

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