ADA4528-1 Datasheet

Precision Amplifiers


The ADA4528-1 /ADA4528-2 are ultralow noise, zero-drift operational amplifiers featuring rail-to-rail input and output swing. With an offset voltage of 2.5 μV, offset voltage drift of 0.015 μV/°C, and typical noise of 97 nV p-p (0.1 Hz to 10 Hz, AV=+100), the ADA4528-1/ADA4528-2 are well suited for applications in which error sources cannot be tolerated. The ADA4528-1/ADA4528-2 have a wide operating supply range of 2.2 V to 5.5 V, high gain, and excellent CMRR and PSRR specifications, which make it ideal for applications that require precision amplification of low level signals, such as position and pressure sensors, strain gages, and medical instrumentation. The ADA4528-1/ADA4528-2 are specified over the extended industrial temperature range (−40°C to +125°C). The ADA4528-1 is available in 8 lead MSOP and 8 lead LFCSP packages. The ADA4528-2 is available in an 8 lead MSOP package. For more information about the ADA4528-1/ADA4528-2, see the AN-1114 Application Note, Lowest Noise Zero-Drift Amplifier Has 5.6 nV/√Hz Voltage Noise Density. ADA4528-1 Features • Low offset: 2.5 μV maximum• Low offset voltage drift: 0.015 µV/°C maximum• Low Noise:-5.6 nV/√Hz at f = 1 kHz, AV = +100-97 nV p-p at f = 0.1 Hz to 10 Hz, AV = +100• Open Loop Voltage Gain: 130 dB Minimum• CMRR: 135 dB Minimum• PSRR: 130 dB minimum• Unity gain crossover: 4 MHz typical• Single-supply operation: 2.2 V to 5.5 V• Dual-supply operation:±1.1 V to ±2.75 V• Rail-to-rail input and output• Unity-gain stable ADA4528-1 Applications • Thermocouple/Thermopile• Load Cell and Bridge Transducer• Precision Instrumentation• Electronic Scales• Medical Instrumentation• Handheld Test Equipment


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Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.

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