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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
We will firmly grasp the central position of innovation in the overall reform and development, and continue to enhance our Ka3845 IC Wafer Integrated Circuit Bare Die technology. Our company relies on the competitive product price, excellent quality, fast delivery time and comprehensive pre-sales consultation and after-sales service, and continuously provides high-quality products and services to customers. In the process of innovation, through the continuous introduction and accumulation of technology, our technology structure is always changing and adjusting.
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