Zero-drift nanopower OpAmp maximizes battery life

Zero-drift nanopower OpAmp maximizes battery life

New Products |
By Christoph Hammerschmidt

Designed for use in precision applications such as wireless sensing nodes, home and factory automation equipment, and portable electronics, the The LPV821 enables engineers to design lighter, smaller and more portable applications with lower-capacity batteries and longer system lifetimes.

Key features and benefits of the LPV821 op amp include optimized offset, drift and 1/f noise (flicker noise), high DC precision, and no duty cycling. With this feature set, the LPV821 is beneficial for applications where both precision and low power are essential system needs, including industrial gas detectors, field transmitters and battery packs. With best-in-class supply current of 650 nA, the LPV821 extends battery lifetimes and enables lower power budgets in precision systems than competitive zero-drift devices. Its nanopower consumption enables always-on applications such as continuous and blood glucose monitoring, and other electrochemical cell applications.

Additionally, self-calibration technology helps engineers save system development cost and speed time to market.

Designers can download the TINA-TI™ SPICE model to simulate their designs and predict circuit behavior when using the LPV821 op amp. Engineers can also jump-start gas-sensing system designs using the LPV821 op amp with the Always-On Low-Power Gas Sensing with 10+ Year Coin Cell Battery Life Reference Design and Micropower Electrochemical Gas Sensor Amplifier Reference Design

Pre-production samples of the LPV821 op amp are now available through the TI store and authorized distributors in a 5-pin small-outline transistor (SOT-23) package. Pricing starts at US$0.80 in 1,000-unit quantities.



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