Simplifying the design of low-to-mid-power motor controls in the 7V-45V range, the STSPIN830 and STSPIN840 single-chip drivers from STMicroelectronics contain flexible control logic and low-RDS(ON) power switches for industrial applications, medical technology, and home appliances. The STSPIN830 for driving 3-phase brushless DC motors has a mode-setting pin that lets users control the three half bridges […]
Miniature water-resistant pressure sensors target wearable apps
As smart watches and wearable fitness trackers permeate the fabric of everyday life, owners want to go further with their devices and track performance across extra activities like swimming. Samsung’s Gear Fit 2 Pro, the next generation of sports band, supports these trends with features like built-in GPS, continuous heart rate monitoring,and larger on-board memory to do more even […]
Top analog threads on EDAboard.com – April
(editor’s note: Intrigued by the problem? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the analog forum threads.) Long distance cell phone detector – I found these schematics on a circuit diagram website. After building it many […]
New features for smartphone op-amp selection app
STMicroelectronics has released the latest version of its ST Op Amps mobile app (ST-OPAMPS-APP) with new features that simplify use and help designers find important information on ST’s analog signal-conditioning products even more quickly. The app gives access to ST’s complete range of operational amplifiers, comparators, current-sensing products, power amplifiers, and high-speed amplifiers. Users can […]
STiD135 demodulator chip targets satellite use
STMicroelectronics announced the volume production of the world’s first 500Mbaud High Symbol Rate (HSR) integrated tuner-demodulator chip, selected by its lead customer Newtec, a specialist in designing, developing, and manufacturing equipment and technologies for satellite communications. Designed to increase bandwidth-usage efficiency and throughput in high-end satellite and hybrid broadband-broadcast applications, the STiD135 demodulator supports the […]
Tiny 3-MHz chopper op amps feature rail-to-rail input and output
The TSZ182 dual precision op amp from STMicroelectronics combines low and extremely temperature-stable input-offset voltage with the added advantages of a 3MHz gain-bandwidth, rail-to-rail inputs and outputs, and ultra-small 2mm x 2mm DFN8 or Mini-SO8 package options. Complementing ST’s popular conventional op amps, the chopper-stabilized TSZ182 enables superior precision in instruments like body-signal monitors, blood-glucose […]
MEMS sensors extend battery life of devices hosting always-on activity-tracking apps
STMicroelectronics has introduced three new sensors, the LIS2DS12 3-axis “pico” accelerometer, LSM6DSL/M 6-axis inertial module, and the new LSM303AH eCompass help track movement continuously with minimal impact on device battery life by performing various motion-related calculations efficiently on-chip instead of using the main system processor. Pre-embedded algorithms that include high-precision pedometer, step detection, step counting, […]
Nano-Power op amp boosts sensing accuracy
With its tiny 1.2mm x 1.3mm outline and typical current of only 900nA, the TSU111 nano-power op amp from STMicroelectronics helps cut the size and energy needs of analog circuits to the bare minimum in medical monitors, wearable electronics, gas detectors, pH sensors, infrared motion sensors, and payment tags. The TSU111’s extremely low operating current […]
16-V CMOS Analog comparators boast 5 µA ave. current/comparator
STMicroelectronics has upgraded its 16V CMOS dual and quad analog comparators using the latest-generation process technology to achieve lower typical current consumption of 5µA per comparator, as well as faster propagation time and increased ESD capability of up to 4kV. Compatible with the previous-generation ICs, the TSX393, TSX339, TSX3702, and TSX3704 further extend the performance […]
CSP comparator operates from 1.8 V
Squeezed in a footprint smaller than 1mm2, STMicroelectronics’ new TS985 comparator combines battery-friendly micropower performance with enhanced dynamic range and high speed. The 0.8mm x 1.2mm x 0.52mm Chip-Scale Package (CSP) makes the device ideal for space-constrained applications such as smartphones, smartwatches, digital cameras, Internet of Things (IoT) devices, and portable test equipment. The TS985 […]
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