Circuits

PWM Regulators comply with IMVP-6.5(TM) specification.

PWM Regulators comply with IMVP-6.5(TM) specification.

Suited for Intel-based notebooks, networks, and embedded designs, Models ISL62882/3 support various CPUs using programmable 3-, 2-, or 1-phase operation. Configurable overshoot reduction capabilities provide minimal Vout overshoot, which pre-empts voltage misreadings. Both devices feature phase dropping, diode emulation, adaptive body diode conduction time reduction to optimize light load...

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Audio Codec brings noise cancellation to compact electronics.

Audio Codec brings noise cancellation to compact electronics.

Supplied in 2.2 x 2.7 x 0.4 mm and 5 x 5 mm packages, MAX9867 stereo audio codec optimizes MP3 playback while extending battery life in portable devices. It offers complete voice record path with stereo differential microphone inputs and stereo single-ended line inputs in addition to support for analog and digital microphones. Also, programmable digital filters provide method to eliminate system...

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Active Antenna IC suits AM/FM car antenna applications.

Active Antenna IC suits AM/FM car antenna applications.

Supplied in 4 x 5 mm small-outline QFN24 package, ATR4252 integrates automatic gain control, supply voltage regulator with overvoltage protection, and antenna sensor to enable crystal-clear reception without distortion. Designers can leverage this product to develop smaller, high-performance active antenna solutions for applications located in mirror, bumper, or rear/side windows of car. Useful...

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Battery Management ICs are optimized for safety.

Battery Management ICs are optimized for safety.

Designed for high-cell-count applications, ATA6870/71 Li-Ion battery management chipset requires minimal external components. Model ATA6870 includes hot plug-in capability, six 12-bit ADCs with cut-off frequency lower than 30 Hz, and stackable MCU power supply. To prevent Li-Ion batteries from burning or exploding due to overcharging and deep discharge, ATA6871 protection device monitors battery...

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Flash Driver IC supports 5-megapixel cell phone cameras.

Flash Driver IC supports 5-megapixel cell phone cameras.

Model MAX8834 is 1.5 A WLED flash driver IC integrates I-²C interface, 5 V PWM DC-DC step-up converter, 2 high-current regulators for movie and flash lighting, and low-current regulator for driving indicator LED. Operating from input supply as low as 2.5 V, it offers 2 and 4 MHz switching-frequency options and fixed and adaptive output voltage modes. It operates over -40 to +85-

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RF Mixers and Modulators enable high-density radio cards.

RF Mixers and Modulators enable high-density radio cards.

Designed for LTE and 4G cellular base stations, ADRF660x Mixers and ADRF670x Modulators each combine multiple discrete functional blocks into single device. ADRF670x models integrate analog I/Q modulator with input bandwidth of 500 MHz, RF output switch, and PLL with VCO in one RFIC, while ADRF660x models integrate high-linearity active RF mixer, RF input balun for single-ended 50 W input, and...

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UHF ASK/FSK RF Transmitters suit battery-driven applications.

Operating in license-free ISM frequency bands of 868-928 MHz, 433 MHz, and 315 MHz, ATA874x series integrates ATtiny44V CPU, which allows in-system flash memory re-programming, and RF transmitter in one 5 x 5 mm QFN24 package. CPU achieves throughputs approaching 1 MIPS per MHz by executing powerful instructions in one clock cycle, enabling system designers to optimize power consumption versus...

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Power Management IC suits portable multimedia devices.

Model WM8320 power management IC (PMIC) features 4 DC-DC synchronous regulators, 2 of which are 1.2 A regulators that incorporate BuckWise(TM) technology, which allows PMICs to adapt to shifts in power requirements as functions are switched on/off by user. Measuring 7 x 7 mm, it integrates 10 LDOs and two 1 A regulators that can be grouped together for combined 1.6 A output. Unit's EEPROM...

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Audio Power Amplifier IC delivers 100 W peak output.

Housed in single 64QFN package and operating directly from 0.8-1.8 V supply, Model AS1001 enables battery-powered amplified speakers to run 3 hours per day for 10 months. IC uses patented techniques to minimize both fixed power losses and output-dependent variable power losses. With power rail switching, amplifier operates efficiently from low voltage rail, with DC-DC boost converter driving...

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