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MAX4241EUA ,Single/Dual/Quad / !.8V/10A / SOT23 / Beyond-the-Rails Op AmpsApplicationsMAX4242EUA -40°C to +85°C 8 µMAX —Two-Cell Battery- Strain GaugesMAX4242ESA -40°C to +8 ..
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MAX809TEUR ,3-Pin Microprocessor Reset CircuitsMAX803/MAX809/ 3-Pin Microprocessor Reset CircuitsMAX810
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MAX4240EUK-T-MAX4241ESA-MAX4241EUA-MAX4242ESA-MAX4242EUA-MAX4243ESD-MAX4243EUB-MAX4244ESD
Single/Dual/Quad / !.8V/10A / SOT23 / Beyond-the-Rails Op Amps
________________General DescriptionThe MAX4240–MAX4244 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 char-
acteristics 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.
________________________ApplicationsTwo-Cell Battery-Strain Gauges
Powered SystemsSensor Amplifiers
Portable/Battery-PoweredCellular Phones
Electronic EquipmentNotebook Computers
Digital ScalesPDAs
____________________________FeaturesUltra-Low-Voltage Operation:
Guaranteed Down to +1.8V
Typical Operation to +1.5VUltra-Low Power Consumption:
10µA Supply Current per Amplifier
1µA Shutdown Mode (MAX4241/MAX4243)
Up to 200,000 Hours Operation from Two AA
Alkaline CellsBeyond-the-Rails Input Common-Mode RangeOutputs Swing Rail-to-RailNo Phase Reversal for Overdriven Inputs200µV Input Offset VoltageUnity-Gain Stable for Capacitive Loads up to 200pF90kHz Gain-Bandwidth ProductAvailable in Space-Saving 5-Pin SOT23 and
8-Pin µMAX Packages
MAX4240–MAX4244
Single/Dual/Quad, +1.8V/10µA, SOT23,
Beyond-the-Rails Op Amps
_________________Pin Configurations19-1343; Rev 0; 3/98
Beyond-the-Rails is a trademark of Maxim Integrated Products.
Rail-to-Rail is a registered trademark of Nippon Motorola Ltd.
MAX4240–MAX4244
Single/Dual/Quad, +1.8V/10µA, SOT23,
Beyond-the-Rails Op Amps
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS — TA= +25°C(VCC= +1.8V to +5.5V, VEE= 0, VCM= 0, VOUT= VCC/ 2, RL= 100kΩtied to VCC/ 2, SHDN= VCC, TA= +25°C, unless
otherwise noted.) (Note 1)
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.
Supply Voltage (VCCto VEE)....................................................6V
All Other Pins...................................(VCC+ 0.3V) to (VEE- 0.3V)
Output Short-Circuit Duration (to VCCor VEE)............Continuous
Continuous Power Dissipation (TA= +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
Single/Dual/Quad, +1.8V/10µA, SOT23,
Beyond-the-Rails Op Amps
ELECTRICAL CHARACTERISTICS — TA= +25°C (continued)(VCC= +1.8V to +5.5V, VEE= 0, VCM= 0, VOUT= VCC/ 2, RL= 100kΩtied to VCC/ 2, SHDN= VCC, TA= +25°C, unless
otherwise noted.) (Note 1)
MAX4240–MAX4244
MAX4240–MAX4244
Single/Dual/Quad, +1.8V/10µA, SOT23,
Beyond-the-Rails Op Amps
ELECTRICAL CHARACTERISTICS — TA= +25°C (continued)(VCC= +1.8V to +5.5V, VEE= 0, VCM= 0, VOUT= VCC/ 2, RL= 100kΩtied to VCC/ 2, SHDN= VCC, TA= +25°C, unless
otherwise noted.) (Note 1)
ELECTRICAL CHARACTERISTICS — TA= TMINto TMAX(VCC= +1.8V to +5.5V, VEE= 0, VCM= 0, VOUT= VCC/ 2, RL= 100kΩtied to VCC/ 2, SHDN= VCC, TA= TMINto TMAX, unless oth-
erwise noted.) (Note 1)
MAX4240–MAX4244
Single/Dual/Quad, +1.8V/10µA, SOT23,
Beyond-the-Rails Op Amps
ELECTRICAL CHARACTERISTICS — TA= TMINto TMAX(continued)(VCC= +1.8V to +5.5V, VEE= 0, VCM= 0, VOUT= VCC/ 2, RL= 100kΩtied to VCC/ 2, SHDN= VCC, TA= TMINto TMAX, unless oth-
erwise noted.) (Note 1)
MAX4240–MAX4244
Single/Dual/Quad, +1.8V/10µA, SOT23,
Beyond-the-Rails Op Amps
ELECTRICAL CHARACTERISTICS — TA= TMINto TMAX(continued)(VCC= +1.8V to +5.5V, VEE= 0, VCM= 0, VOUT= VCC/ 2, RL= 100kΩtied to VCC/ 2, SHDN= VCC, TA= TMINto TMAX, unless oth-
erwise noted.) (Note 1)
Note 1:The MAX4240EUK, MAX4241EUA, MAX4242EUA, and MAX4243EUB specifications are 100% tested at TA= +25°C. All
temperature limits are guaranteed by design.
Note 2:Shutdown mode applies to the MAX4241/MAX4243 only.
Note 3:Input bias current and input offset current are tested with VCC= +5.0V and 0 ≤VCM≤5.0V.
Note 4:Tested over the specified input common-mode range.
Note 5:Tested for 0 ≤VOUT≤VCC. Does not include current through external feedback network.
Note 6:Channel-to-channel isolation specification applies to the MAX4242/MAX4243/MAX4244 only.
__________________________________________Typical Operating Characteristics(VCC= +5.0V, VEE= 0, VCM= VCC / 2, VSHDN= VCC, RL= 100kΩto VCC / 2, TA= +25°C, unless otherwise noted.)
MAX4240–MAX4244
Single/Dual/Quad, +1.8V/10µA, SOT23,
Beyond-the-Rails Op Amps
____________________________________Typical Operating Characteristics (continued)(VCC= +5.0V, VEE= 0, VCM= VCC / 2, VSHDN= VCC, RL= 100kΩto VCC / 2, TA= +25°C, unless otherwise noted.)
MAX4240–MAX4244
Single/Dual/Quad, +1.8V/10µA, SOT23,
Beyond-the-Rails Op Amps
____________________________________Typical Operating Characteristics (continued)(VCC= +5.0V, VEE= 0, VCM= VCC / 2, VSHDN= VCC, RL= 100kΩto VCC / 2, TA= +25°C, unless otherwise noted.)
