Analogue & Linear ICs News

Real-time clocks integrate a power switch for battery use

Epson’s RX8130CE and RX8900CE real-time clocks (RTCs) are available from distributor Rutronik. Both new modules are available in 3.2 x 2.5 x 1.0mm packages and include an IC and crystal. The RX8130CE is designed for low power and has a built-in power switch function…

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Linear DAC has spectral purity for broadband wireless

Linear Technology’s LTC2000A is a 16-bit, 2.7Gsample/s digital-to-analogue converter (DAC) with a spectral purity for broadband wired-and-wireless communications and radar applications. The chip’s spectral purity is 80dBc SFDR at 50MHz output and 72dBc SFDR at 1080MHz output. The device features better…

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Ricoh IC gives lithium-ion cell discharge protection

Ricoh has introduced a battery protection IC for rechargeable one-cell lithium-ion and lithium polymer batteries which incorporates a two-step excess discharge current detector, used with an external current sense resistor. The R5486 monitors the charge and discharge process continuously and intervenes when the process is at risk…

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1-26MHz MEMS oscillator challenges quartz on all fronts

Called SiT8021, power consumption is 110µA for 3MHz, and the device is available in chip-scale packages (CSPs) as small as 1.5×0.8mm. The MEMS part is a 524kHz double tuning fork resonator (see diagram), identical to the one in a similar 32kHz oscillator released three months ago…

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TI has motor control platform with Ethernet comms

Texas Instruments has introduced a hardware and software kit for industrial drive and servo design with support for real-time Ethernet communications and functional safety topologies. Based on the real-time control architecture of TI’s C2000 microcontrollers, DesignDRIVE  design kit can be used for the development of industrial inverter…

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PCIM: Surface mount current sensor has 4.8kV isolation

The ACS722 and ACS723 Hall-effect current sensor ICs from Allegro MicroSystems Europe are being offered in a new high-isolation SOIC16 package. It is a low-profile surface-mount package which provides a 4,800V RMS isolation rating, which is the highest available from the supplier’s family of…

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Semtech chip protects USB 3.0 connections

Semtech has a three-pin transient voltage suppression (TVS) array device designed for protecting high-speed differential pairs common in interfaces such as USB 3.0, MHL and HDMI 1.4. The RClamp0552T is housed in a 1.0 x 0.6mm package with a nominal height of only 0…

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Crystek's 3500MHz VCO

Crystek has a VCO which operates at 3500 MHz with a control voltage range of 0.3 V~4.9 V.

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