General Description
The HT9274 is a CMOS quad micro-power operational amplifier featuring high input impedance, extremely low power, high gain and high stability.
   
Features
• Quad micro power op amp
• Wide range of supply voltage: 1.6V~5.5V
• High input impedance
• Single supply operation
• Low current consumption: < 5μA per amp
• Rail to rail output
• Provides both sink and source output drive
    capability
• Common mode input extends below negative rail
• Pin compatible with LM324/WT274 (14-pin
    DIP)
• 14-pin DIP/SOP package
   
Applications
• Battery powered system
• Sensor amplifier
• Low power gain blocks
• Low power comparators
• Signal detectors
• Active filters
• Caller ID systems
• Communication systems