GENERAL DESCRIPTION

The SGM8631 (single), SGM8632 (dual) and SGM8633 (single with shutdown) are low noise, low voltage, and low power operational amplifiers that can be designed into a wide range of applications. The SGM8631/2/3 have a high gain-bandwidth product of 6MHz and a slew rate of 3.7V/μs. The SGM8633 has a power-down disable feature that reduces the supply current to less than 1μA.

The SGM8631/2/3 are designed to provide optimal performance in low voltage and low noise systems. They provide rail-to-rail output swing into heavy loads. The input common mode voltage range includes ground, and the maximum input offset voltage is 3.5mV for SGM8631/2/3. They are specified over the extended industrial temperature range (-40℃ to +125℃). The operating supply range is from 2V to 5.5V.

The SGM8631 single is available in Green SC70-5, SOT-23-5 and SOIC-8 packages. The SGM8632 dual is available in Green SOIC-8 and MSOP-8 packages. The SGM8633 single with shutdown is available in Green SOT-23-6 and SOIC-8 packages.

PIN CONFIGURATIONS

FEATURES

• Rail-to-Rail Input and Output

  3.5mV Maximum VOS

• High Gain-Bandwidth Product: 6MHz

• High Slew Rate: 3.7V/μs

• Settling Time to 0.1% with 2V Step: 0.5μs

• Overload Recovery Time: 0.9μs

• Low Noise: 13nV/√Hz at 1kHz

• Supply Voltage Range: 2V to 5.5V

• Input Voltage Range: -0.1V to +5.6V with VS = 5.5V

• Low Supply Current

  SGM8631/3: 570μA (TYP)

  SGM8632: 480μA/Amplifier (TYP)

  Less than 1μA Shutdown Current for SGM8633

• Small Packaging

  SGM8631 Available in Green SC70-5, SOT-23-5

  and SOIC-8

  SGM8632 Available in Green MSOP-8 and

  SOIC-8

  SGM8633 Available in Green SOT-23-6 and

  SOIC-8APPLICATIONSSensors

Audio

Active Filters

A/D Converters

Communications

Test Equipment

Cellular and Cordless Phones

Laptops and PDAs

Photodiode Amplification

Battery-Powered Instrumentation

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