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Description
The REF34xx device is a low temperature drift (6 ppm/°C), low-power, high-precision CMOS voltage reference, featuring ±0.05% initial accuracy, low operating current with power consumption less than 95 μA. This device also offers very low output noise of 3.8 μVp-p /V, which enables its ability to maintain high signal integrity with high-resolution data converters in noise critical systems. With a small SOT-23 package, REF34xx offers enhanced specifications and pin-topin replacement for MAX607x, ADR34xx and LT1790 (REF34xxT, no EN pin). The REF34xx family is compatible to most of the ADC and DAC such as ADS1287, DAC8802 and ADS1112.
Stability and system reliability are further improved by the low output-voltage hysteresis of the device and low long-term output voltage drift. Furthermore, the small size and low operating current of the devices (95 μA) benefit portable and battery-powered applications. REF34xx is specified for the wide temperature range of −40°C to +125°C.
Features
• Initial accuracy: ±0.05% (maximum)
• Temperature coefficient : 6 ppm/°C (maximum)
• Operating temperature range: −40°C to +125°C
• Output current: ±10 mA
• Low quiescent current: 95 μA (maximum)
• Ultra-low zero load dropout voltage: 100 mV (maximum)
• Wide input voltage: 12 V
• Output 1/f noise (0.1 Hz to 10 Hz): 3.8 µVp-p/V
• Excellent long-term stability 25 ppm/1000 hrs
• Multiple small footprint 6 pin SOT-23 package pinouts: REF34xx and REF34xxT
Applications
• Data acquisition systems
• Analog I/O modules
• Field transmitters
• Lab & field instrumentation
• Servo drive control modules
• DC power supply, AC source, electronic load
Applications
·Low Voltage, High Density Power Systems l
·Distributed Power Systems l
·Point-of-Load Conversions
With our expertise and years of experience, as well as our low cost and high quality production, our LMR23625cfqddaq1 Integrated Circuits (ICs) Pmic - Voltage Regulators - DC DC Switching Regulators has been well received and supported by local and foreign customers. The enthusiasm and creativity of our employees provide a constant impetus for the development of the company. Reflecting service in product design is a proactive innovation strategy.
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