The MAX4249–MAX4257 low-noise, low-distortion operational amplifiers offer rail-to-rail outputs and single-supply operation down to 2.4V. They draw 400µA of quiescent supply current per amplifier while featuring ultra-low distortion (0.0002% THD), as well as low input voltage-noise density (7.9nV per root-Hz ) and low input current-noise density (0.5fA per root-Hz). These features make the devices an ideal choice for portable/battery-powered applications that require low distortion and/or low noise.
For additional power conservation, the MAX4249/MAX4251/MAX4253/MAX4256 offer a low-power shutdown
mode that reduces supply current to 0.5µA and
puts the amplifiers' outputs into a high-impedance
state. The MAX4249–MAX4257's outputs swing rail-to-rail
and their input common-mode voltage range
includes ground. The MAX4250–MAX4254 are unity-gain
stable with a gain-bandwidth product of 3MHz.
The MAX4249/MAX4255/MAX4256/MAX4257 are internally
compensated for gains of 10V/V or greater with a
gain-bandwidth product of 22MHz. The single MAX4250/MAX4255 are available in space-saving 5-pin SOT23
packages. The MAX4252 is available in an 8-bump chip-scale
package (UCSP™) and the MAX4253 is available in
a 10-bump UCSP. The MAX4250AAUK comes in a 5-pin
SOT23 package and is specified for operation over the
automotive (-40°C to +125°C) temperature range.
주요기능
애플리케이션/용도
Available in Space-Saving UCSP, SOT23, and µMAX® Packages
Low Distortion: 0.0002% THD (1kΩ load)
400µA Quiescent Supply Current per Amplifier
Single-Supply Operation from 2.4V to 5.5V
Input Common-Mode Voltage Range Includes Ground
Outputs Swing Within 8mV of Rails with a 10kΩ Load
3MHz GBW Product, Unity-Gain Stable (MAX4250-MAX4254)
22MHz GBW Product, Stable with AV > 10V/V (MAX4249/MAX4255/MAX4256/MAX4257)
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