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MAX4038ETA-T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX4038ETA-T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 22 page General Description The single MAX4036/MAX4037 and dual MAX4038/ MAX4039 operational amplifiers operate from a single +1.4V to +3.6V (without reference) or +1.8V to +3.6V (with reference) supply and consume only 800nA of supply current per amplifier, and 1.1µA for the optional refer- ence. The MAX4036/MAX4038 feature a common-mode input voltage range from 0V to VDD - 0.4V at VDD = 1.4V. The MAX4037/MAX4039 feature a 1.232V voltage refer- ence capable of sourcing 100µA and sinking 20µA. The MAX4036–MAX4039s’ rail-to-rail outputs drive 5kΩ loads to within 25mV of the rails. Ultra-low supply current, low operating voltage, and rail-to-rail outputs make the MAX4036–MAX4039 ideal for use in single-cell lithium-ion (Li+), or two-cell NiCd/NiMH/alkaline battery-powered applications. The MAX4036 is available in an SC70 package, the MAX4037 in a SOT23 package, and the MAX4038/ MAX4039 in UCSP™, µMAX®, and TDFN packages. Applications Battery-Powered/Solar-Powered Systems Portable Medical Instrumentation Pagers and Cell Phones Micropower Thermostats and Potentiostats Electrometer Amplifiers Remote Sensor Amplifiers Active Badges pH Meters Features ♦ Ultra-Low 800nA per Amplifier Supply Current ♦ Ultra-Low 1.4V Supply Voltage Operation (1.8V for MAX4037/MAX4039) ♦ Rail-to-Rail Outputs Drive 5kΩ and 5000pF Load ♦ 1.232V ±0.5%, 120ppm/°C (max) Reference (MAX4037/MAX4039) ♦ No External Reference Bypass Capacitor Required ♦ No Phase Reversal for Overdriven Inputs ♦ Low 1.0pA (typ) Input Bias Current ♦ Low 200μV Input Offset Voltage ♦ Unity-Gain Stable ♦ Available in Tiny UCSP, SC70, SOT23, TDFN, and μMAX Packages ♦ Available in -40°C to +125°C Temperature Range (MAX4036A/MAX4038A) Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps with +1.2V Buffered Reference ________________________________________________________________ Maxim Integrated Products 1 INA+ SENSOR REF THREE-ELECTRODE POTENTIOSTAT APPLICATION INB+ OUTA INB- OUTB INA- VDD VSS MAX4039 3V ADC Typical Operating Circuit Ordering Information MAX4039 OUTA REF INA- INA+ VSS OUTB INB- INB+ VDD REF Functional Diagram 19-3142; Rev 5; 11/09 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. + Denotes a lead(Pb)-free/RoHS-compliant package. - Denotes a package containing lead. * EP = Exposed pad. Ordering Information continued at end of data sheet. µMAX is a registered trademark and UCSP is a trademark of Maxim Integrated Products, Inc. PART TEMP RANGE PIN- PACKAGE TOP MARK MAX4036EXK-T -40°C to +85°C 5 SC70 AFR MAX4036AAXK+T -40°C to +125°C 5 SC70 ASN MAX4037EUT-T -40°C to +85°C 6 SOT23 ABRX MAX4038ETA-T -40°C to +85°C 8 TDFN-EP* AGO MAX4038EUA -40°C to +85°C 8 µMAX — MAX4038EBL-T -40°C to +85°C 9 UCSP AEG MAX4038AAUA -40°C to +125°C 8 µMAX — Pin Configurations and Selector Guide appear at end of data sheet. |
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