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MAX4236AESA Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX4236AESA Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 14 page General Description The MAX4236/MAX4237 are high-precision op amps that feature an exceptionally low offset voltage and off- set voltage temperature coefficient without using any chopper techniques. The MAX4236 and MAX4237 have a typical large-signal, open-loop voltage gain of 120dB. These devices have an ultra-low input-bias current of 1pA. The MAX4236 is unity-gain stable with a gain- bandwidth product of 1.7MHz, while the MAX4237 is stable for closed-loop gains greater than 5V/V with a gain-bandwidth product of 7.5MHz. Both devices have a shutdown function in which the quiescent current is reduced to less than 0.1µA, and the amplifier output is forced into a high-impedance state. The input common-mode range of the MAX4236/ MAX4237 extends below the negative supply range, and the output swings Rail-to-Rail®. These features make the amplifiers ideal for applications with +3V or +5V single power supplies. The MAX4236/MAX4237 are specified for the extended temperature range (-40°C to +85°C) and are available in tiny SOT23, µMAX, and SO packages. For greater accuracy, the A grade µMAX and SO packages are tested to guarantee 20µV (max) offset voltage at +25°C and less then 2µV/°C drift. Applications Strain Gauges Piezoelectric Sensors Thermocouple Amplifiers Electrochemical Sensors Battery-Powered Instrumentation Instrumentation Amplifiers Features o Ultra-Low Offset Voltage 20µV (max) at +25°C (Grade A) 50µV (max) at +25°C (Grade B, 6-Pin SOT23) o Ultra-Low Offset Voltage Drift 2µV/°C (max) (Grade A) 4.5µV/°C (max) (Grade B, 6-Pin SOT23) 5.5µV/°C (max) (6-Pin SOT23) o Ultra-Low 1pA Input Bias Current o High Open-Loop Voltage Gain: 110dB (min) (RL = 100kΩ) o Compatible with +3V and +5V Single-Supply Power Systems o Ground Sensing: Input Common-Mode Range Includes Negative Rail o Rail-to-Rail Output Swing into a 1k Ω Load o 350µA Quiescent Current o Gain-Bandwidth Product 1.7MHz (MAX4236, AV = 1V/V) 7.5MHz (MAX4237, AV = 5V/V) o 200pF Capacitive Load Handling Capability o Shutdown Mode: 0.1µA Quiescent Current, Places Output in a High-Impedance State o Available in Space-Saving SOT23 and µMAX Packages SOT23, Very High Precision, 3V/5V Rail-to-Rail Op Amps ________________________________________________________________ Maxim Integrated Products 1 TOP VIEW VEE IN- IN+ 16 VCC 5 SHDN OUT MAX4236 MAX4237 SOT23-6 2 34 1 2 3 4 8 7 6 5 VCC OUT N.C. VEE IN+ IN- N.C. MAX4236A/B MAX4237A/B SO-8/ µMAX SHDN Pin Configurations Ordering Information 19-2110; Rev 0; 8/01 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. PART TEMP. RANGE PIN-PACKAGE MAX4236EUT-T -40°C to +85°C 6 SOT23-6 MAX4236AEUA -40°C to +85°C 8 µMAX MAX4236BEUA -40°C to +85°C 8 µMAX MAX4236AESA -40°C to +85°C 8 SO MAX4236BESA -40°C to +85°C 8 SO MAX4237EUT-T -40°C to +85°C 6 SOT23-6 MAX4237AEUA -40°C to +85°C 8 µMAX MAX4237BEUA -40°C to +85°C 8 µMAX MAX4237AESA -40°C to +85°C 8 SO MAX4237BESA -40°C to +85°C 8 SO Rail-to-Rail is a registered trademark of Nippon Motorola, Inc. |
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