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MAX423ESA, MAX423ESE, MAX4240

Table of contents:
Info of MAX423ESA
Info of MAX423ESE
Info of MAX4240

MAX423ESA, MAX423ESE, MAX4240 Selling Leads, Datasheet

MFG:MAXIM Package Cooled:876 D/C:SOP8

MAX423ESA, MAX423ESE, MAX4240 Datasheet download

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Part Number: MAX423ESA

MFG: MAXIM

Package Cooled: 876

D/C: SOP8

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MAX4240 General Description

    The MAX4240MAX4244 family of micropower op amps operate from a single +1.8V to +5.5V supply or dual ±0.9V to ±2.75V supplies and have Beyond-the-Rails™ inputs and Rail-to-Rail® output capabilities. These amplifiers provide a 90kHz gain-bandwidth product while using only 10µA of supply current per amplifier. The MAX4241/MAX4243 have a low-power shutdown mode that reduces supply current to less than 1µA and forces the output into a high-impedance state. Although the minimum operating voltage is specified at +1.8V, these devices typically operate down to +1.5V. The combination of ultra-low-voltage operation, beyond-the rails inputs, rail-to-rail outputs, and ultra-low power con-
sumption makes these devices ideal for any portable/two-cell battery-powered system.

    These amplifiers have an input common-mode range that extends 200mV beyond each rail, and their outputs typically swing to within 9mV of the rails with a 100kΩ load. Beyond-the-rails input and rail-to-rail output characteristics allow the full power-supply voltage to be used for signal range. The combination of low input off-set voltage, low input bias current, and high open-loop gain makes them suitable for low-power/low-voltage precision applications.

    The MAX4240 is offered in a space-saving 5-pin SOT23 package. All specifications are guaranteed over the -40°C to +85°C extended temperature range.

MAX4240 Maximum Ratings

Supply Voltage (V_CC to V_EE) ................................................6V
All Other Pins ................................(V_CC + 0.3V) to (V_EE - 0.3V)
Output Short-Circuit Duration (to V_CC or V_EE).........Continuous
Continuous Power Dissipation (T_A= +70°C)
   5-pin SOT23 (derate 7.1mW/°C above +70°C).......571mW
   8-pin µMAX (derate 4.1mW/°C above +70°C) ........330mW
   8-pin SO (derate 5.88mW/°C above +70°C)...........471mW
   10-pin µMAX (derate 5.6mW/°C above +70°C) ......444mW
   14-pin SO (derate 8.33mW/°C above +70°C).........667mW
Operating Temperature Range .....................-40°C to +85°C
Junction Temperature..................................................+150°C
Storage Temperature Range .......................-65°C to +160°C
Lead Temperature (soldering, 10sec) .........................+300°C

MAX4240 Features

*Ultra-Low-Voltage Operation:
   Guaranteed Down to +1.8V
   Typical Operation to +1.5V
*Ultra-Low Power Consumption:
   10µA Supply Current per Amplifier
   1µA Shutdown Mode (MAX4241/MAX4243)
   Up to 200,000 Hours Operation from Two AA
   Alkaline Cells
*Beyond-the-Rails Input Common-Mode Range
*Outputs Swing Rail-to-Rail
*No Phase Reversal for Overdriven Inputs
*200µV Input Offset Voltage
*Unity-Gain Stable for Capacitive Loads up to 200pF
*90kHz Gain-Bandwidth Product
*Available in Space-Saving 5-Pin SOT23 and 8-Pin µMAX Packages

MAX4240 Typical Application

Two-Cell Battery-
Strain Gauges
Powered Systems
Sensor Amplifiers
Portable/Battery-
Powered Cellular Phones
Electronic Equipment
Notebook Computers
Digital Scales PDAs

MAX4240 Connection Diagram

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