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AMC1200BDUBR Fiches technique(PDF) 1 Page - Texas Instruments |
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AMC1200BDUBR Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 24 page 0V 250mV 2.55V 2V 1.29V 2V 5V 3.3V GND1 GND2 VDD1 VDD2 VOUTP VOUTN VINP VINN AMC1200 AMC1200B www.ti.com SBAS542B – APRIL 2011 – REVISED AUGUST 2012 Fully-Differential Isolation Amplifier Check for Samples: AMC1200, AMC1200B 1 FEATURES DESCRIPTION The AMC1200 and AMC1200B are precision isolation 2 • ±250-mV Input Voltage Range Optimized for amplifiers with an output separated from the input Shunt Resistors circuitry by a silicon dioxide (SiO2) barrier that is • Very Low Nonlinearity: 0.075% max at 5 V highly resistant to magnetic interference. This barrier • Low Offset Error: 1.5 mV max has been certified to provide galvanic isolation of up to 4250 VPEAK (AMC1200B) or 4000 VPEAK • Low Noise: 3.1 mVRMS typ (AMC1200) according to UL1577 and IEC60747-5-2. • Low High-Side Supply Current: 8 mA max at Used in conjunction with isolated power supplies, 5 V these devices prevent noise currents on a high • Input Bandwidth: 60 kHz min common-mode voltage line from entering the local ground and interfering with or damaging sensitive • Fixed Gain: 8 (0.5% accuracy) circuitry. • High Common-Mode Rejection Ratio: 108 dB The input of the AMC1200 or AMC1200B is optimized • 3.3-V Operation on Low-Side for direct connection to shunt resistors or other low • Certified Galvanic Isolation: voltage level signal sources. The excellent – UL1577 and IEC60747-5-2 Approved performance of the device supports accurate current control resulting in system-level power saving and, – Isolation Voltage: 4250 VPEAK (AMC1200B) especially in motor-control applications, lower torque – Working Voltage: 1200 VPEAK ripple. The common-mode voltage of the output – Transient Immunity: 10 kV/µs min signal is automatically adjusted to either the 3-V or 5- V low-side supply. • Typical 10-Year Lifespan at Rated Working Voltage (see Application Report SLLA197) The AMC1200 and AMC1200B are fully specified over the extended industrial temperature range of –40 • Fully Specified Over the Extended Industrial °C to +105 °C and areavailable in the SMD-type, Temperature Range gullwing-8 package. APPLICATIONS • Shunt Resistor Based Current Sensing in: – Motor Control – Green Energy – Frequency Inverters – Uninterruptible Power Supplies 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2011–2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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