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AMP02GBC Datasheet(PDF) 1 Page - Analog Devices |
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AMP02GBC Datasheet(HTML) 1 Page - Analog Devices |
1 / 12 page REV. E Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective companies. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2002. All rights reserved. AMP02 High Accuracy Instrumentation Amplifier FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION The AMP02 is the first precision instrumentation amplifier available in an 8-lead package. Gain of the AMP02 is set by a single external resistor and can range from 1 to 10,000. No gain set resistor is required for unity gain. The AMP02 includes an input protection network that allows the inputs to be taken 60 V beyond either supply rail without damaging the device. Laser trimming reduces the input offset voltage to under 100 µV. Output offset voltage is below 4 mV, and gain accuracy is better than 0.5% for a gain of 1000. ADI’s proprietary thin-film resis- tor process keeps the gain temperature coefficient under 50 ppm/ °C. Due to the AMP02’s design, its bandwidth remains very high over a wide range of gain. Slew rate is over 4 V/ µs, making the AMP02 ideal for fast data acquisition systems. A reference pin is provided to allow the output to be referenced to an external dc level. This pin may be used for offset correc- tion or level shifting as required. In the 8-lead package, sense is internally connected to the output. For an instrumentation amplifier with the highest precision, consult the AMP01 data sheet. FEATURES Low Offset Voltage: 100 V max Low Drift: 2 V/ C max Wide Gain Range: 1 to 10,000 High Common-Mode Rejection: 115 dB min High Bandwidth (G = 1000): 200 kHz typ Gain Equation Accuracy: 0.5% max Single Resistor Gain Set Input Overvoltage Protection Low Cost Available in Die Form APPLICATIONS Differential Amplifier Strain Gage Amplifier Thermocouple Amplifier RTD Amplifier Programmable Gain Instrumentation Amplifier Medical Instrumentation Data Acquisition Systems 8-Lead PDIP and CERDIP 1 RG1 2 3 4 –IN +IN V– 8 7 6 5 RG2 V+ OUT REFERENCE 16-Lead SOIC 1 NC 2 3 4 RG1 NC –IN 5 +IN 6 7 8 NC V– NC 16 15 14 13 12 11 10 9 NC = NO CONNECT NC RG2 NC V+ SENSE OUT REFERENCE NC – + RG1 RG2 RG 3 1 8 2 +IN –IN V+ V– 4 5 6 7 OUT REFERENCE G = = + 1 VOUT (+IN) – (–IN) 50k RG () FOR SOL CONNECT SENSE TO OUTPUT Figure 1. Basic Circuit Connections |
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