Circuits

Stereo Headphone Amplifier rejects RF noise.

Stereo Headphone Amplifier rejects RF noise.

Designed for portable multimedia devices, MAX9820 IC employs DirectDrive® architecture to eliminate clicks and pops, as well as large output-coupling capacitors. Unit also suppresses RF radiation, preventing amplifier from demodulating coupled noise. With 2.7-5.5 V single supply, amplifier delivers 95 mW of output power. Device consumes less than 1 -µA in shutdown mode and 3 mA during quiescent...

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N-Channel MOSFETs target VoIP applications.

Models ZXMN15A27K and ZXMN20B28K N-channel MOSFETs feature breakdown voltages of 150 and 200 V, respectively. They withstand high pulse avalanche energy and commutation modes in Subscriber Line Interface Circuits (SLIC) environment and have low input capacitance, allowing them to be driven from SLIC controlled IC. Units are capable of driving line voltages beyond 150 V and supplying multiple...

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Power Switches target high current applications.

Providing continuous output current capability up to 2 A, single-channel Models AP2101 and AP2111 are optimized for use in self-powered and bus-powered USB and other 3-5 V hot-swap applications. Units offer designers choice of active-low and active-high enable, respectively. Characterized by transient response time of 5 -µs, devices prevent unnecessary system shutdown or restart. Switches are...

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Step-Down Switching Regulator consumes as little as 2.8 µA.

Supplied in 10-lead, 3 x 3 mm DFN or thermally enhanced MSOP packages, LT3991 offers 4.3-55 V input range, integrated boost diode, and Burst Mode® operation that keeps quiescent current under 2.8 -µA in no-load standby conditions. Internal 1.7 A, 440 mOhm switch delivers up to 1.2 A continuous output current to voltages as low as 1.19 V, and switching frequency is user-programmable from 200 kHz...

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Microcontroller targets USB smart card reader applications.

Available in QFN28 and QFN24 packages, AT90SCR050 includes secure AVR® MCU, 16 KB ROM, USB FS2.0, and smart card interface with integrated DC/DC to support cards compliant with EMV L1 requirement and ISO7816. Solution addresses high-volume applications, such as laptops and mobile devices, by offering designers complete solution to address smart card technologies. AVR Studio® and AVR JTAGICE...

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DC-DC Step-Up Converter provides buck-boost functionality.

DC-DC Step-Up Converter provides buck-boost functionality.

With continuous transition between boost and regulated buck mode, Model AS1337 is suited for single or dual cell applications. Unit offers adjustable output voltage from 2.5-5.0 V from input voltage of 0.65-4.5 V. From 2-cell battery with 1.8-3.6 V voltage range, Model AS1337 provides 200 mA of output current at 3 V. Operating from -40 to +85°C, converter offers efficiencies up to 97% and draws...

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DC-DC Converter provides 1.8 A for applications processors.

DC-DC Converter provides 1.8 A for applications processors.

Housed in 2.0 x 2.0 x 0.65 mm wafer-level package, Model MAX8649 achieves initial accuracy of ±0.5% at 1.27 V and total accuracy of better than ±2% over load, line, and temperature, allowing processors to run at max clock speed. Synchronous, fixed-frequency step-down converter operates from input supply as low as 2.5 V to support deep-discharge battery chemistries. I-²C interface allows...

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Embedded Power Device Modules support PoE applications.

Embedded Power Device Modules support PoE applications.

Supporting output voltage of 5.1 V, Model SPD-50 delivers up to 12 W output power and max DC/DC converting efficiency of 85% at full load, while Model SPD-12, supporting 12 V output voltage, delivers 12 W output power and max DC/DC converting efficiency of 89% at full load. Units are compliant with IEEE 802.3af power classification and support PSE Alternative A and B connections. Measuring 60 x...

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RFID Transponder IC suits small access control systems.

Measuring 0.9 mm2, IDIC® ATA5575M1 can be used in almost any transponder package. Unit's memory contains unique, manufacturer-programmed ID, which can be locked for standard applications, or overwritten by using desired customer-specific code. Unit is OTP LF device that can be used under water, on metal, in dirt, out-of-sight, or worn on body. It is designed for passive identification systems...

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Smartphone Chipsets support HD video recording and playback.

Designed around optimal data throughput and multimedia functionality, MSM7x30 Series includes MSM7230(TM) solution for HSPA+ networks and MSM7630(TM) solution with multi-mode HSPA+/EV-DO Rev. B and SV-DO support. Chipsets utilize 800 MHz to 1 GHz custom superscalar CPU based on ARM v7 instruction set. They support 720p HD video encode/decode at 30 frames/sec, integrated 2D and 3D graphics GPUs,...

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Neagle Choice, LLC Announces New Available Services
Sponsored

Neagle Choice, LLC Announces New Available Services

Neagle Choice has long been known as a quality source for commercial sewing, printing, die cutting, and the manufacturing of a wide range of custom products. Enhancing our service capabilities has been the key to our success, and has driven our growth into many new and exciting markets. Continuing on this trajectory, we now offer precision laser cutting and etching, adding to our long line of manufacturing services. See our video to learn all about it.

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