Evaluation Kit Design Tools and Support Available Resources Models Click here to ask an associate for production status of specific part numbers. 20V, Low Input Bias-Current, MAX44242 Low-Noise, Dual Op Amplifier General Description Benefits and Features The MAX44242 provides a combination of high voltage, 2.7V to 20V Single Supply or 1.35V to 10V Dual low noise, low input bias current in a dual channel and Supplies features rail-to-rail at the output. 0.5pA (max) Input Bias Current This dual amplifier operates over a wide supply voltage 5nV/Hz Input Voltage Noise range from a single 2.7V to 20V supply or split 1.35V 10MHz Bandwidth to 10V supplies and consumes only 1.2mA quiescent 8V/s Slew Rate supply current per channel. Rail-to-Rail Output The MAX44242 is a unity-gain stable amplifier with a gain-bandwidth product of 10MHz. The device outputs Integrated EMI Filters drive up to 200pF load capacitor without any external 1.2mA Supply Current per Amplifier isolation resistor compensation. The MAX44242 is available in 8-pin SOT23 and MAX Ordering Information appears at end of data sheet. packages and is rated for operation over the -40C to +125C automotive temperature range. Applications Chemical Sensor Interface Photodiode Sensor Interface Medical Pulse Oximetry Industrial: Process and Control MAX is a registered trademark of Maxim Integrated Products, Inc. Precision Instrumentation Typical Application Circuit VDD PHOTODIODE IN- PHOTODIODE OUT IN- IN+ OUT REF IN+ MAX44242 REF 19-6827 Rev 3 3/21 2021 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. One Analog Way, Wilmington, MA 01887 U.S.A. Tel: 781.329.4700 2021 Analog Devices, Inc. All rights reserved.MAX44242 20V, Low Input Bias-Current, Low-Noise, Dual Op Amplifier Absolute Maximum Ratings Supply Voltage (V to V ) ................................-0.3V to +22V Operating Temperature Range ......................... -40C to +125C DD SS All Other Pins ................................(V - 0.3V) to (V + 0.3V) Junction Temperature ......................................................+150C SS DD Short-Circuit Duration to V or V ...................................... 1s Storage Temperature Range ............................ -65C to +150C DD SS Continuous Input Current (Any Pins) ...............................20mA Lead Temperature (soldering, 10s) .................................+300C Differential Input Voltage ...................................................... 6V Continuous Power Dissipation (T = +70C) A 8-Pin SOT23 (derate 5.1mW/C above +70C) .......408.2mW 8-Pin MAX (derate 4.5mW/C above +70C) ............362mW Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (Note 1) Package Thermal Characteristics SOT23 MAX Junction-to-Ambient Thermal Resistance ( ) ........196C/W Junction-to-Ambient Thermal Resistance ( ) ........221C/W JA JA Junction-to-Case Thermal Resistance ( ) ...............70C/W Junction-to-Case Thermal Resistance ( ) ...............42C/W JC JC Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. Electrical Characteristics (V = 10V, V = 0V, V = V = V /2, R = 10k to V /2, T = -40C to +125C, unless otherwise noted. Typical values are DD SS IN+ IN- DD L DD A at T = +25C.) (Note 2) A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER SUPPLY Supply Voltage Range V Guaranteed by PSRR 2.7 20 V DD T = +25C 106 130 V = 2.7V to 20V, A DD Power-Supply Rejection Ratio PSRR dB V = 0V CM -40C T +125C 100 A T = +25C 1.2 1.6 A Quiescent Current Per Amplifier I R = infinity mA DD LOAD -40C T +125C 1.8 A Power-Up Time t 20 s ON DC CHARACTERISTICS Input Common-Mode Range V Guaranteed by CMRR test V - 0.05 V - 1.5 V CM SS DD T = +25C 94 111 V = V - 0.05V A CM SS Common-Mode Rejection Ratio CMRR dB to V - 1.5V DD -40C T +125C 90 A T = +25C 50 600 A Input Offset Voltage V V OS -40C T +125C 800 A Input Offset Voltage Drift (Note 3) TC V 0.25 2.5 V/C OS T = +25C 0.02 0.5 A Input Bias Current (Note 3) I -40C T +85C 10 pA B A -40C T +125C 50 A Analog Devices 2 www.analog.com