Circuits

Board is designed for HD acquisition and compression.

Designed for low latency applications, LT-100 can capture video from both analog and digital HD and SD video sources including DVI, RGB, component, S-video, and composite. It can compress HD Windows Media Video up to advanced profile level 3 with resolutions from 176 x 144 to 2,048 x 2,048 pixels. Maximum compression frame rate is 240 frames/sec at lower resolutions, and 30 frames/sec at 1080p....

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Power Control IC provides intelligent POL design.

Supplied in QFN-48 package, UCD9220 dual-output, multi-phase synchronous buck controller can support various point-of-load (POL) configurations. It provides 250 psec of PWM, configurable switching frequency up to 2 MHz, and range of DC conversion ratios while maintaining stable operation. Along with flexible digital power control and phase current balancing, features include...

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White LED Drivers increase efficiency in mobile devices.

As step-up type DC/DC converters, TB62730WLG and TB62750FTG drive white LEDs used to backlight LCDs in consumer electronics. Operating efficiency of 80% in flash mode helps minimize power consumption and lengthen battery life. With supply voltage range of 2.8-5.5 V, ICs incorporate soft-start function and can drive white LEDs at 800 mA using lithium ion batteries. Model TB62750FTG has one...

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Ambient Light Sensor ICs are designed for LCD Display .

Featuring trimming process and utilizing multiple photodiodes with variable junction depths, ROHM ALS Series of ICs provide accurate output with small variation between various light sources. BH16xx analog series offer linear current output proportional to luminous intensity ranging from 0-100,000 lx, whereas BH17xx series of digital devices have 16-bit analog-to-digital converter to produce 1 lx...

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Class D Audio Subsystems simplify portable product designs.

Class D Audio Subsystems simplify portable product designs.

Mixed-signal audio subsystem (LM49352) integrates audio codec functionality with ground-referenced headphone amps, earpiece driver, Class D loudspeaker, and audio DSP in 3.3 x 3.3 mm package. Analog subsystem (LM49151) integrates earpiece driver, Class D loudspeaker, ground-referenced headphone amps, and automatic level control (ALC) in 2.2 x 2.6 mm package. Applications include smart phones,...

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LED Drivers suit retail and architectural lighting systems.

With 4.5-29 V operating range, Models XRP7603 and XRP7604 are capable of driving high brightness LEDs up to 0.5 and 1 A, respectively. Units operate at frequency of 1.2 MHz with integrated loop compensation, and feature 200 mV feedback reference voltage, which minimizes power dissipation while maximizing efficiency up to 95%. Housed in thermally enhanced SO-8 packages, drivers convert from 29 V...

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Miniature FM Chip Antenna is suited for mobile applications.

Measuring in 24 x 5 x 1.6 mm, miniature 2405 FM chip antenna features reception bandwidth between 88-108 MHz and supports central frequency of 98 MHz. It can be integrated into miniaturized portable electronic devices such as mobile phones, smart phones, or notebooks for built-in FM capability.

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DC-DC Buck Regulators provide 97% peak efficiency.

DC-DC Buck Regulators provide 97% peak efficiency.

Suited for noise-sensitive RF power amplifiers in single-cell Li-Ion battery-powered applications, Series AS1332-34 delivers up to 650 mA from input voltage of 2.7-5.5 V. Fixed switching frequency of 2 MHz, together with internal noise reduction circuitry, results in output voltage ripple of less than 2 mV peak-to-peak. Model AS1332 offers varying output of 1.3-3.16 V, while AS1333 provides fixed...

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Spread Spectrum Clock synchronizes 8 switching regulators.

Offered in MS16 Package, LTC6909 reduces peak radiated EMI and promotes control (enable/disable/phase-synchronize) of switching regulators in multiphase power supplies. Precision silicon oscillator has 8 separate outputs, providing up to 8 rail-to-rail 50% duty cycle clock signals. Using 3 logic inputs, output phase relationship can be configured from 45-120Â-

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Synchronous Boost Regulator suits USB OTG applications.

Supplied in 2 x 3 mm DFN package, LTC3529 current mode DC/DC converter offers automatic overload fault detection and USB On-The-Go (OTG)-specific protection circuit with programmable fault flag. Internal 1.5 A switches deliver up to 500 mA output current to fixed 5 V output from single-cell Li-Ion battery, and synchronous rectification enables efficiencies of up to 95%. Operating from 1.8-5.25 V...

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