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LT1882CS#PBF

製品説明
仕様・特性

LT1881/LT1882 Dual and Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps DESCRIPTION FEATURES n n n n n n n n n n n Offset Voltage: 50μV Maximum (LT1881A) Input Bias Current: 200pA Maximum (LT1881A) Offset Voltage Drift: 0.8μV/°C Maximum Rail-to-Rail Output Swing Supply Range: 2.7V to 36V Operates with Single or Split Supplies Open-Loop Voltage Gain: 1 Million Minimum 1mA Maximum Supply Current Per Amplifier Stable at AV = 1, CL = 1000pF Standard Pinouts Wide Operating Temperature Range: –55°C to 125°C (LT1882) APPLICATIONS n n n n n Thermocouple Amplifiers Bridge Transducer Conditioners Instrumentation Amplifiers Battery-Powered Systems Photo Current Amplifiers The LT®1881 and LT1882 op amps bring high accuracy input performance to amplifiers with rail-to-rail output swing. Input bias currents and capacitive load driving capabilities are superior to the similar LT1884 and LT1885 amplifiers, at the cost of a slight loss in speed. Input offset voltage is trimmed to less than 50μV and the low drift maintains this accuracy over the operating temperature range. Input bias currents are an ultralow 200pA maximum. The amplifiers work on any total power supply voltage between 2.7V and 36V (fully specified from 5V to ±15V). Output voltage swings to within 40mV of the negative supply and 220mV of the positive supply make these amplifiers good choices for low voltage single supply operation. Capacitive loads up to 1000pF can be driven directly in unity-gain follower applications. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. The dual LT1881 and LT1881A are available with standard pinouts in S8 and PDIP packages. The quad LT1882 is in a 14-pin SO package. For a higher speed device with similar DC specifications, see the LT1884/LT1885. TYPICAL APPLICATION 16-Bit Voltage Output DAC on ± 5V Supply TC VOS Distribution, Industrial Grade 5V 5V PERCENT OF UNITS (%) 1.65k + LT1881 – LT1634 4.096V –5V R1 RCOM REF ROFS 33pF 5V DAC – LT1881 LTC®1597 + 26 24 22 20 18 16 14 12 10 8 6 4 2 0 VOUT –4.096V TO 4.096V VS = ±15V 40 N8 (1 LOT) 144 S8 (2 LOTS) 184 TOTAL PARTS 1 –0.9 –0.8 –0.7 –0.6 –0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 INPUT OFFSET VOLTAGE DRIFT (μV/°C) 18812 TA01b –5V 18812 TA01a 18812fb 1

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