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LPV812 Dual 425nA Operational Amplifier

1 Features

Nanopower Supply Current: 425nA/Channel

Offset voltage: 300μV (max)

TcVos: 1μV/°C

Gain Bandwidth: 8kHz

Unity Gain Stable

Low Input Bias Current: 100fA

Wide supply voltage range: 1.6V to 5.5V

Rail-to-rail output

No output inversion

EMI protection

Temperature range: –40°C to 125°C

Industry Standard Packages:

5-Lead Small Outline Transistor (SOT)-23 Package (Single-Channel Version)

8-Lead Very Thin Small Outline (VSSOP) Package (Dual Version)

2 Applications

CO and O2 Gas Detector (TIDA-0756)

PIR motion detector

current sensing

thermostat

Internet of Things (IoT) Remote Sensors

Effective radio frequency identification (RFID) readers and tags

Portable Medical Equipment

3 Description

The LPV811 (single) and LPV812 (dual) series of ultra-low power precision operational amplifiers are for sensing applications in "always on" sensing in battery powered wireless devices and low power wired devices. With an 8kHz bandwidth, 425nA quiescent current, and offset voltage trimmed to less than 300μV, the LPV81x amplifiers have the required high precision characteristics while reducing power consumption to a minimum for battery life-critical devices such as gas detectors and portable electronics lowest.

In addition to ultra-low power features, the LPV81x amplifiers feature a CMOS input stage enabling femtoamp bias current for impedance source applications. The LPV81x amplifiers also feature a negative rail sense input stage and a rail-to-rail output stage that swings in millivolts relative to the supply rail to maintain the widest possible dynamic range. The LPV81x features Electromagnetic Interference (EMI) protection to reduce the impact of unwanted RF signals from cell phones, WiFi, radio transmitters and tag readers on the system.

Shenzhen Yujixin Electronics Co., Ltd.

Contact: Mr. Xiao

Mobile: +86-134-3077-2257 (same number on WeChat)

Tel: +86-0755-2870-8773

QQ: 1157099927 2039672975

E-mail: xiaozheng1608@163.com

Address of Shenzhen Office: Room B17, West 5th Floor, Building 4, SEG Science and Technology Park, Huaqiang North, Futian District, Shenzhen