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The MAX4249MAX4257 low-noise, low-distortion oper-ational amplifiers offer Rail-to-Rail® outputs and single-supply operation down to 2.4V. They draw only 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/Hz) and low input current noise density (0.5fA/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 shut-down mode that reduces supply current to 0.5µA andputs the amplifiers' outputs into a high-impedance state.The MAX4249MAX4257's outputs swing rail-to-rail andtheir input common-mode voltage range includesground. The MAX4250MAX4254 are unity-gain stable;the MAX4249/MAX4255/MAX4256/MAX4257 are internal-ly compensated for gains of 10V/V or greater. The singleMAX4250/MAX4255 are available in a space-saving, 5-pin SOT23 package.
MAX4252 Maximum Ratings
Power-Supply Voltage (VDDto VSS)....................+6.0V to -0.3V Analog Input Voltage (IN_+, IN_-)..(VDD+ 0.3V) to (VSS- 0.3V) SHDNInput................................................+6.0V to (VSS- 0.3V) Output Short-Circuit Duration to Either Supply.......Continuous Continuous Power Dissipation (TA= +70°C) 5-Pin SOT23 (derate 7.1mW/°C above +70°C)......... 571mW 8-Pin µMAX (derate 4.10mW/°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
MAX4252 Features
. Low Input Voltage Noise Density: 7.9nV/Hz . Low Input Current Noise Density: 0.5fA/Hz . Low Distortion: 0.0002% THD (1kΩload) . 400µA Quiescent Supply Current per Amplifier . Single-Supply Operation from +2.4V to +5.5V . Input Common-Mode Voltage Range IncludesGround . Outputs Swing within 8mV of Rails with a 10kΩLoad . 3MHz GBW Product, Unity-Gain Stable (MAX4250MAX4254) 22MHz GBW Product, Stable with AV10V/V (MAX4249/MAX4255/MAX4256/MAX4257) . Excellent DC Characteristics: VOS= 70µV IBIAS= 1pA Large-Signal Voltage Gain = 116dB . Low-Power Shutdown Mode: Reduces Supply Current to 0.5µA Places Outputs in a High-Impedance State . 400pF Capacitive-Load Handling Capability . Available in Space-Saving SOT23 and µMAXPackages
MAX4252 Typical Application
Portable/Battery-Powered Equipment Medical Instrumentation ADC Buffers Digital Scales Strain Gauges Sensor Amplifiers Portable Communications Devices