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OPA501
5V, High-Precision, Ultra-Low-Power Operational Amplifier
1. FEATURES
• Nanopower supply current: 240nA/channel • Offset voltage: 2.2mV (max) • TcVos: 2μV/°C • Unity gain-bandwidth: 4.2kHz • Wide supply range: 1.6V to 5.5V • Low input bias current: 0.1pA • Unity-gain stable • Rail-to-rail input and output • EMI protection
2. APPLICATIONS
• CO and O2 gas detectors • PIR motion detectors • Ionization smoke alarms • Thermostats • IoT remote sensors • Active RFID readers and tags • Portable medical equipment • Monitor and alarms • Wearable devices
3. DESCRIPTION
The OPA501 is one of the ultra-low-power family operational amplifiers provided by AnalogySemi. With just 240nA of quiescent current and operating voltage ranged between 1.6V and 5.