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AD1585ARTZ-R2 データシート(PDF) 1 Page - Analog Devices |
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AD1585ARTZ-R2 データシート(HTML) 1 Page - Analog Devices |
1 / 16 page 2.5 V to 5.0 V Micropower, Precision Series Mode Voltage References Data Sheet AD1582/AD1583/AD1584/AD1585 Rev. J Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©1997–2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Series reference (2.5 V, 3 V, 4.096 V, 5 V) Low quiescent current: 70 µA maximum Current output capability: ±5 mA Wide supply range: VIN = VOUT + 200 mV to 12 V Wideband noise (10 Hz to 10 kHz): 50 µV rms Specified temperature range: −40°C to +125°C Compact, surface-mount SOT-23 package APPLICATIONS Portable, battery-powered equipment; for example, notebook computers, cellular phones, pagers, PDAs, GPSs, and DMMs Computer workstations; suitable for use with a wide range of video RAMDACs Smart industrial transmitters PCMCIA cards Automotive Hard disk drives 3 V/5 V, 8-bit/12-bit data converters PIN CONFIGURATION VOUT 1 GND 2 VIN 3 AD1582/ AD1583/ AD1584/ AD1585 TOP VIEW (Not to Scale) Figure 1. 3-Lead SOT-23-3 (RT Suffix) 900 800 700 600 2.7 5 SHUNT REFERENCE1 AD1582 SERIES REFERENCE 200 100 0 500 400 300 VSUPPLY (V) 13.076k Ω SOURCE RESISTOR. Figure 2. Supply Current (μA) vs. Supply Voltage (V) GENERAL DESCRIPTION The AD1582/AD1583/AD1584/AD1585 are low cost, low power, low dropout, precision band gap references. These designs are available as 3-terminal (series) devices and are packaged in the compact SOT-23, 3-lead surface-mount package. The versatility of these references makes them ideal for use in battery-powered 3 V or 5 V systems where there can be wide variations in supply voltage and a need to minimize power dissipation. The superior accuracy and temperature stability of the AD1582/ AD1583/AD1584/AD1585 result from the precise matching and thermal tracking of on-chip components. Patented temperature drift curvature correction design techniques minimize the nonlinearities in the voltage output temperature characteristic. The AD1582/AD1583/AD1584/AD1585 series mode devices source or sink up to 5 mA of load current and operate efficiently with only 200 mV of required headroom supply. These parts draw a maximum 70 μA of quiescent current with only a 1.0 μA/V variation with supply voltage. The advantage of these designs over conventional shunt devices is extraordinary. Valuable supply current is no longer wasted through an input series resistor, and maximum power efficiency is achieved at all input voltage levels. The AD1582/AD1583/AD1584/AD1585 are available in two grades, A and B, and are provided in a tiny footprint, the SOT- 23. All grades are specified over the industrial temperature range of −40°C to +125°C. Table 1. AD158x Products, Three Electrical Grades Electrical Grade Initial Accuracy Temperature Coefficient (ppm°C) AD1582 AD1583/AD1585 AD1584 B 0.08% 0.10% 0.10% 50 A 0.80% 1.00% 0.98% 100 |
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同様の説明 - AD1585ARTZ-R2 |
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