PRODUCT DESCRIPTION
The SGM8541 (single) ， SGM8542 (dual) and SGM8544 (quad) are rail-to-rail input and output voltage feedback amplifiers offering low cost. They have a wide input common-mode voltage range and output voltage swing, and take the minimum operating supply voltage down to 2.1V and the maximum recommended supply voltage is 5.5 V. All are specified over the extended –40°C to +125°C temperature range.

FEATURES
• Low Cost
• Rail-to-Rail Input and Output 0.8mV Typical VOS
• Unity Gain Stable
• Gain Bandwidth Product: : 1.1MHz
• Very low input bias currents : 0.5pA
• Operates on 2.1 V to 5.5 V Supplies
• Input Voltage Range = - 0.1 V to +5.6 V with VS = 5.5 V
• Low Supply Current: 42µA/Amplifier
• Small Packaging
    SGM8541 Available in SO-8 and SOT23-5
    SGM8542 Available in SO-8 and MSOP-8
    SGM8544 Available in SO-16 and TSSOP-16

APPLICATIONS
    ASIC Input or Output Amplifier
    Sensor Interface
    Piezo Electric Transducer Amplifier
    Medical Instrumentation
    Mobile Communication
    Audio Output
    Portable Systems
    Smoke Detectors
    Mobile Telephone
    Notebook PC
    PCMCIA cards
    Battery –Powered equipment