Texas Instruments LPV801 & LPV802 Nanopower Operational Amplifiers
Texas Instruments LPV801 and LPV802 Nanopower Operational Amplifiers are ultra-low-power operational amplifiers for sensing applications in battery-powered wireless and low-power wired equipment. The LPV80x amplifiers minimize power consumption in equipment like CO detectors, smoke detectors, and PIR motion detectors where operational battery life is critical. The LPV80 has 8kHz of bandwidth from 320nA of quiescent current.
These Texas Instruments LPV80x amplifiers have CMOS input stages with typically femtoamp bias currents and feature a negative-rail sensing input stage and a rail-to-rail output stage. This stage is capable of swinging within millivolts of the rails, maintaining the widest dynamic range possible. EMI protection is designed into the LPV80x to reduce system sensitivity to unwanted RF signals from mobile phones, Wi-Fi, radio transmitters, and tag readers.
Features
- 320nA/channel nanopower supply current
- 3.5mV (max.) offset voltage
- TcVos (1μV/°C)
- 8kHz unity gain-bandwidth
- 1.6V to 5.5V wide supply range
- 0.1pA low input bias current
- Unity-gain stable
- Rail-to-rail output
- No output reversals
- Industry-standard packages
- Single in 5-pin SOT-23
- Dual in 8-pin VSSOP
- EMI protection
- -40°C to +125°C temperature range
Applications
- CO and O2 Gas Detectors (TIDA-00854)
- PIR Motion Detectors (TIDA-00489)
- Ionization Smoke Alarms
- Thermostats
- IoT Remote Sensors
- Active RFID Readers and Tags
- Portable Medical Equipment
Functional Block Diagram
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Opublikowano: 2016-12-27
| Zaktualizowano: 2022-03-11