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TI Release New Microcontroller With Integrated Low-Leakage Transimpedance Amplifier


The MSP430FR2311 Microcontroller Includes a Selectable Amplifier Configuration


The new MSP430FR2311 microcontroller from Texas Instruments can extend battery life in sensing and measurement applications, the industry's only MCU with an integrated low-leakage transimpedance amplifier (TIA) consuming just 50pA of current. The new microcontroller - an expansion of the ultra-low-power MSP430™ MCU family - offers 20 times lower leakage than alternative voltage and current sensing solutions and provides the configurability of analog and memory technology without sacrificing battery life or board space.

Highly integrated MCU solution with configurable analog helps developers simplify their schematics and save PCB space by up to 75 percent. The MSP430FR2311 MCU allows developers to connect to a wide range of sensors with its analog integration including ADC, op amp, comparators and TIA. This solution also integrates Ferroelectric Random Access Memory (FRAM) technology and eliminates the need for an onboard crystal in a single 3.5 mm x 4 mm package. This single chip solution will reduce design complexity and overall project development time.

The MSP430FR2311 MCU allows developers to choose the amplifier configuration (non-inverting, inverting or transimpedance) they need and scale their application by selecting the amount of memory to be allocated for application code or data, eliminating the boundaries of Flash to RAM ratios. Customers can get started in minutes using the MSP430FR2311 MCU LaunchPad™ development kit supported by Code Composer Studio™ integrated development environment (IDE) and IAR Embedded WorkBench®. Customers can then explore an application implementation with the MSP430FR2311 smoke sensing sub-system reference design (coming in 2Q16) using a photodiode and TIA configuration for current sensing. Additionally, customers developing for medical health and fitness, building automation and personal electronics can further extend battery life by utilizing this TI Design reference design (TIDA-00242) which uses a TI energy harvesting IC (bq25570) in an MSP430FR2311 MCU-based system.

Current MSP430G2x MCU customers using 2KB and 4KB devices can easily migrate their designs to the MSP430FR2311 MCU and take advantage of higher performance with non-volatile FRAM and higher analog integration, including operational amplifiers, ADCs and comparators. Review the MSP430F2xx and MSP430G2xx series migration guide to learn how to easily move between families when needing more analog capability.



The company's Web site address is www.ti.com
[Reprinted with kind permission from Texas Instruments]