GENERAL DESCRIPTION

The SGM721 (single), SGM722 (dual), SGM723 (single with shutdown) and SGM724 (quad) are low noise, low voltage, and low power operational amplifiers, that can be designed into a wide range of applications. The SGM721/2/3/4 have a high gain-bandwidth product of 11MHz and a slew rate of 8.5V/μs. The SGM723 has a power-down disable feature that reduces the supply current to less than 1μA.

The SGM721/2/3/4 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 4mV for SGM721/2/3/4. They are specified over the extended industrial temperature range (-40℃ to +125℃). The operating supply range is from 2.1V to 5.5V.

The single version, SGM721 is available in Green SC70-5, SOT-23-5 and SOIC-8 packages. SGM723 is available in Green SOT-23-6 and SOIC-8 packages. The dual version SGM722 is available in Green SOIC-8, MSOP-8 and TSSOP-8 packages. The quad version SGM724 is available in Green SOIC-14 and TSSOP-14 packages.

PIN CONFIGURATIONS

FEATURES

• Rail-to-Rail Input and Output

  4mV Maximum VOS

• High Gain-Bandwidth Product: 11MHz

• High Slew Rate: 8.5V/μs

• Settling Time to 0.1% with 2V Step: 0.21μs

• Overload Recovery Time: 0.6μs

• Low Noise : 8.5nV/√Hz at 10kHz

• Supply Voltage Range: 2.1V to 5.5V

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

• Low Power

  SGM721/3: 1.2mA (TYP)

  SGM722/4: 1.1mA/Amplifier (TYP)

  SGM723 Less than 1μA when Disabled

• Small Packaging

  SGM721 Available in Green SC70-5, SOT-23-5

  and SOIC-8 Packages

  SGM722 Available in Green MSOP-8, SOIC-8

  and TSSOP-8 Packages

  SGM723 Available in Green SOT-23-6 and

  SOIC-8 Packages

  SGM724 Available in Green TSSOP-14 and

  SOIC-14 Packages

APPLICATIONSSensors

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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