SG Micro Corp

SGM324 1MHz, 60µA, Rail-to-Rail Input and Output CMOS Operational Amplifier

GENERAL DESCRIPTION

The SGM321 (single), SGM358 (dual) and SGM324 (quad) are low cost, rail-to-rail input and output voltage feedback amplifiers. They have a wide input common mode voltage range and output voltage swing, and take the minimum operating supply voltage down to 2.1V. The maximum recommended supply voltage is 5.5V. All are specified over the extended -40 to +85 temperature range.

The SGM321/358/324 provide 1MHz bandwidth at a low current consumption of 60μA per amplifier. Very low input bias current of 10pA enables SGM321/358/324 to be used for integrators, photodiode amplifiers, and piezoelectric sensors. Rail-to-rail input and output are useful to designers for buffering ASIC in single-supply systems.

Applications for this series of amplifiers include safety monitoring, portable equipment, battery and power supply control, and signal conditioning and interfacing for transducers in very low power systems.

The SGM321 is available in the Green SOT-23-5 and SC70-5 packages. The SGM358 comes in the Green SOIC-8, MSOP-8 and DIP-8 packages. The SGM324 is offered in the Green SOIC-14 and TSSOP-14 packages.


PIN CONFIGURATIONS

FEATURES

• Low Cost
• Rail-to-Rail Input and Output
   0.8mV Typical V
OS
• Unity Gain Stable
• Gain Bandwidth Product: 1MHz
• Very Low Input Bias Current: 10pA
• Supply Voltage Range: 2.1V to 5.5V
• Input Voltage Range: -0.1V to +5.6V with 
V=5.5V
• Low Supply Current: 60μA/Amplifier
• Small Packaging
   SGM321 Available in SOT-23-5 and SC70-5  

   SGM358 Available in SOIC-8, MSOP-8 and DIP-8 

   SGM324 Available in SOIC-14 and TSSOP-14

APPLICATIONS

ASIC Input or Output Amplifier

Sensor Interface

Piezoelectric Transducer Amplifier

Medical Instrumentation

Mobile Communication

Audio Output

Portable Systems

Smoke Detectors

Notebook PC

PCMCIA Cards

Battery-Powered Equipment

DSP Interface


ORDERING INFORMATION

Part Number Status Package Pins Pb-Free Temp Range
SGM324YS14/TR Production SOIC-14 14 Y -40℃ to +85℃ Samples
SGM324YTS14/TR Production TSSOP-14 14 Y -40℃ to +85℃ Samples

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