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a FEATURES Low Noise: 0.3 ␮V p 0.1 Hz to 10 Hz Low Nonlinearity: 0.003% (G = 1) High CMRR: 120 dB (G = 1000) Low Offset Voltage: 50 ␮V Low Offset Voltage Drift: 0.5 ␮V/؇C Gain Bandwidth Product: 25 MHz Pin Programmable Gains of 1, 10, 100,1000 Input Protection, Power On–Power Off No External Components Required Internally Compensated MIL-STD-883B and Chips Available 16-Pin Ceramic DIP and SOIC Packages and 20-Terminal Leadless Chip Carriers Available Available in Tape and Reel in Accordance with EIA-481A Standard Standard Military Drawing Also Available

Precision Instrumentation Amplifier AD524 CONNECTION DIAGRAMS Ceramic (D) and SOIC (R) Packages

PRODUCT DESCRIPTION

The AD524 is a precision monolithic instrumentation amplifier designed for data acquisition applications requiring high accuracy under worst-case operating conditions. An outstanding combination of high linearity, high common mode rejection, low offset voltage drift, and low noise makes the AD524 suitable for use in many data acquisition systems.

Leadless Chip Carrier (E) Package

The AD524 has an output offset voltage drift of less than 25 µV/ °C, input offset voltage drift of less than 0.5 µV/°C, CMR above 90 dB at unity gain (120 dB at G = 1000) and maximum nonlinearity of 0.003% at G = 1. In addition to the outstanding dc specifications the AD524 also has a 25 MHz gain bandwidth product (G = 100). To make it suitable for high speed data acquisition systems the AD524 has an output slew rate of 5 V/µs and settles in 15 µs to 0.01% for gains of 1 to 100. As a complete amplifier the AD524 does not require any external components for fixed gains of 1, 10, 100 and 1,000. For other gain settings between 1 and 1000 only a single resistor is required. The AD524 input is fully protected for both power on and power off fault conditions. The AD524 IC instrumentation amplifier is available in four different versions of accuracy and operating temperature range. The economical “A” grade, the low drift “B” grade and lower drift, higher linearity “C” grade are specified from –25°C to +85°C. The “S” grade guarantees performance to specification over the extended temperature range –55°C to +125°C. Devices are available in 16-pin ceramic DIP and SOIC packages and a 20-terminal leadless chip carrier.

PRODUCT HIGHLIGHTS

1. The AD524 has guaranteed low offset voltage, offset voltage drift and low noise for precision high gain applications. 2. The AD524 is functionally complete with pin programmable gains of 1, 10, 100 and 1000, and single resistor programmable for any gain. 3. Input and output offset nulling terminals are provided for very high precision applications and to minimize offset voltage changes in gain ranging applications. 4. The AD524 is input protected for both power on and power off fault conditions. 5. The AD524 offers superior dynamic performance with a gain bandwidth product of 25 MHz, full power response of 75 kHz and a settling time of 15 µs to 0.01% of a 20 V step (G = 100).

REV. C 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703


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