LT1461
Micropower Precision Low Dropout Series Voltage Reference Family
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Features
- Trimmed to High Accuracy: 0.04% Max
- Low Drift: 3ppm/°C Max
- Low Supply Current: 50μA Max
- High Output Current: 50mA Min
- Low Dropout Voltage: 300mV Max
- Excellent Thermal Regulation
- Power Shutdown
- Thermal Limiting
- All Parts Guaranteed Functional from –40°C to 125°C
- Voltage Options: 2.5V, 3V, 3.3V, 4.096V and 5V
- AEC-Q100 Qualified for Automotive Applications
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The LT1461 is a family of low dropout micropower band-gap references that combine very high accuracy and low drift with low supply current and high output drive. These series references use advanced curvature compensation techniques to obtain low temperature coefficient and trimmed precision thin-film resistors to achieve high output accuracy. The LT1461 family draws only 35μA of supply current, making them ideal for low power and portable applications, however their high 50mA output drive makes them suitable for higher power requirements, such as precision regulators.
In low power applications, a dropout voltage of less than 300mV ensures maximum battery life while maintaining full reference performance. Line regulation is nearly immeasurable, while the exceedingly good load and thermal regulation will not add significantly to system error budgets. The shutdown feature can be used to switch full load currents and can be used for system power down. Thermal shutdown protects the part from overload conditions. The LT1461 is available in 2.5V, 3V, 3.3V 4.096V and 5V options.
Applications
- A/D and D/A Converters
- Precision Regulators
- Handheld Instruments
- Power Supplies
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
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