industry news
Subscribe to EE Journal Daily Newsletter

Industry’s Lowest Power Zero-Drift Op Amp Consumes only 1.3μA

MILPITAS, CA & NORWOOD, MA – July 10, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC2063 zero-drift op amp which draws just 1.3μA typ (2μA max) on a 1.8V supply. This micropower amplifier maintains uncompromised precision: maximum input offset voltage is 5μV at 25°C, maximum drift is 0.06μV/°C from –40°C to 125°C. Maximum input bias current is 15pA at 25°C, and 100pA from –40°C to 125°C. These high precision input characteristics allow the use of large value feedback network resistors, keeping power consumption low without compromising accuracy, even at elevated temperature.

Rail-to-rail inputs and outputs simplify single supply use and enhance dynamic range. An integrated EMI filter provides 114dB electromagnetic interference rejection at 1.8GHz. With low 1/f noise inherent to its zero-drift architecture the LTC2063 is well suited for amplifying and conditioning low frequency sensor signals in high temperature industrial and automotive systems as well as portable and wireless sensor network applications.

The LTC2063 is available in SOT-23 and SC70 packages. The SC70 version includes a shutdown mode which reduces current consumption to just 90nA when the amplifier is not in use. This enables ultralow power duty cycled sensor applications. For example, a precision low duty cycle oxygen sensor circuit shown in the data sheet consumes less than 200nA average current.

“The LTC2063 enables a whole new class of precision measurement solutions which can be placed anywhere,” stated Ross Yu, Dust Networks® marketing manager. “Its ultralow power and high precision are a perfect companion for Dust Networks’ SmartMesh® wireless sensor networks, expanding the reach of precision measurements to places previously not practical.”

An example is the DC2369A wireless current sense reference board which uses the LTC2063 and LTP™5901-IPM SmartMesh IP™ module and other micropower components to create an isolated floating current sense measurement platform which operates for years on small batteries.

The LTC2063 operates on supply voltages from 1.7V to 5.25V and is fully specified from –40°C to 125°C. Pricing starts at $1.50 each in 1,000-piece quantities. For more information, visit www.linear.com/product/LTC2063.

Summary of Features: LTC2063

Low Supply Current: 2μA Maximum
Offset Voltage: 5μV Maximum
Offset Voltage Drift: 0.02μV/°C Maximum
Input Bias Current: 3pA Typical, 30pA Maximum –40°C to 85°C,100pA Maximum –40°C to 125°C
Integrated EMI Filter (114dB Rejection at 1.8GHz)
Shutdown Current: 90nA Typical, 170nA Maximum
Rail-to-Rail Input and Output
1.7V to 5.25V Operating Supply Range
AVOL: 140dB Typical
Low Charge Power-Up for Duty Cycled Applications
Specified Temperature Ranges:
–40°C to 85°C
–40°C to 125°C
6-Lead SC70, 5-Lead TSOT-23 Packages

Analog Devices just got more Powerful. On March 10, Analog Devices acquired Linear Technology, creating the premier high performance analog company. More info at http://lt.linear.com/07c

About Analog Devices

Analog Devices (NASDAQ: ADI) is the leading global high-performance analog technology company dedicated to solving the toughest engineering challenges. We enable our customers to interpret the world around us by intelligently bridging the physical and digital with unmatched technologies that sense, measure, power, connect and interpret. Visit http://www.analog.com.

Leave a Reply

featured blogs
Jul 25, 2017
All chips need to cold reset on every power-up. Warm resets, however, are a bit more complicated. Take a smartphone screen, for example. The screen may power down while the phone is idle. However, the user will want it to return to their pre-set brightness level on power-up. ...
Jul 25, 2017
One of the largest differentiators of Samtec.com is its incredible variety of technical documentation, the vast majority of which is available without even logging in. While this level of availability is great for users, because of the sheer amount of documentation available,...
Jun 20, 2017
For data-center architects it seems like a no-brainer. For a wide variety of applications, from the databases behind e-commerce platforms to the big-data tools in search engines to suddenly-fashionable data analytics to scientific codes, the dominant limitation on application...