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SAR ADC boasts 0.5-ppm linearity, 148 dB dynamic range

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Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC2500-32, an ultrahigh precision 32-bit successive approximation register (SAR) analog-to-digital converter (ADC).  The LTC2500-32 is a new and enabling approach for precision measurement applications, blending the high accuracy and speed of Linear Technology’s proprietary SAR ADC architecture with flexible integrated digital filters to optimize […]

The post SAR ADC boasts 0.5-ppm linearity, 148 dB dynamic range appeared first on Microcontroller Tips.

Teardown: The Garmin Forerunner 220 sport watch and heart monitor

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Chest-mounted electronics do a more accurate job of counting heart beats than do optical sensors on the wrist. That’s one of the conclusions to come out of a close look at this sport watch aimed at runners. Leland Teschler Executive Editor A sport watch from Garmin called the Forerunner 220 is basically a runner’s watch […]

The post Teardown: The Garmin Forerunner 220 sport watch and heart monitor appeared first on Microcontroller Tips.

100-V no-opto flyback regulator delivers up to 24 W, 1-kV Output

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Linear Technology Corporation announces the H-grade versions of the LT8304/-1, monolithic flyback regulators with guaranteed operation for junction temperatures as high as 150°C. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no opto-coupler or third winding for regulation. The LT8304 operates over a 3V to 100V input voltage […]

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Circuit protection controller replaces fuses, transient voltage suppressors and discrete circuitry

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Linear Technology Corporation introduces the LTC4368, a circuit protection controller ensuring safe voltage and current levels for 2.5V to 60V electronics in battery-powered automotive, industrial and portable systems. The LTC4368 replaces fuses, transient voltage suppressors and discrete circuitry, enabling a compact and comprehensive solution for shielding electronics from damaging overcurrent and over-, under- and reverse-voltage […]

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Rail-to-Rail op amps feature precision & power efficiency

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Linear Technology introduces the LTC6258/59/60 and LTC6261/62/63, single/dual/quad op amps, extending its line of power-efficient, low noise, precision operational amplifiers. These devices are part of a family of power efficient op amps ranging from 1.3MHz GBW product at 20µA supply current to 720MHz GBW product at 3.3mA supply current. The latest family members operate on […]

The post Rail-to-Rail op amps feature precision & power efficiency appeared first on Analog IC Tips.

Monolithic flyback regulator for junction temperatures up to 150°C.

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Linear Technology Corporation announces the H-grade version of the LT8303, a monolithic flyback regulator with guaranteed operation for junction temperatures as high as 150°C. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no opto-isolator or third winding for regulation. The LT8303 operates over a 5.5V to 100V input […]

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Step-down 40-to-240-A switching regulator trips breaker for overvoltage/overtemperature faults

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Linear Technology Corporation introduces the LTM4636-1, a 40A to 240A scalable step-down µModule switching regulator. The part incorporates protection circuitry that trips a circuit breaker in the event of overvoltage or overtemperature fault conditions to protect itself, the PCB and loads such as high current low voltage processors, FPGAs, GPUs and ASICs. An output crowbar function […]

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PoE IC delivers 123 W over 1 Gbps CAT5e cable

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Linear Technology Corporation introduces the LTC4279 single-port Power over Ethernet (PoE) controller for power sourcing equipment (PSE), delivering up to 123W of power over CAT-5e cable for power-hungry applications.  Demand for higher power delivery comes from a widespread set of applications, including LTE picocell base stations, LED signage, security monitoring systems, home automation and machine […]

Dual wideband mixer with programmable gain amplifiers enables 5G wireless access

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Linear Technology introduces the LTC5566, a new wideband, high dynamic range dual channel mixer with integrated programmable variable gain IF amplifiers. This dual mixer has a very wide, 300MHz to 6GHz input frequency range, specifically optimized and with extensive characterization at the emerging 3.6GHz and 4.5GHz 5G bands, as well as the established 4G bands. […]

The post Dual wideband mixer with programmable gain amplifiers enables 5G wireless access appeared first on Analog IC Tips.

60-V I²C battery monitor measures state of charge parameters with 1% accuracy

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Linear Technology Corporation introduces the LTC2944 multicell battery monitor, which makes direct measurements of 3.6V to 60V battery stacks. Absolutely no level shifting circuitry on the supply and measurement pins is required to interface with multicell voltages, so total current consumption is minimized and measurement accuracy is preserved. The LTC2944 is a true high voltage […]

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