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Audio Receiver Features Converter Technology

October 22, 2008 5:30 am | Product Releases | Comments

Giving designers of consumer and professional audio applications a solution for receiving incoming digital audio sources, the CS8422 24-bit, 192 kHz digital audio receiver from Cirrus Logic features a low jitter PLL and integrated asynchronous sample rate converter. The audio receiver integrates an input multiplexer that supports up to four S/PDIF or two differential AES3 audio inputs

LISTED UNDER: ICs

SoC Reduces ICs in Amplification Circuits

October 21, 2008 6:00 am | Product Releases | Comments

Using multibit Delta-Sigma audio converter technology, the CS47048 audio system-on-a-chip (SOC) from Cirrus Logic can reduce the number of ICs required to implement an automotive amplifier by as many as 10. Featuring a 4-channel ADC and a 32-bit audio DSP, the SOC has a 105 dB dynamic range and a -98 dB THD+N. The device uses integrated converters to simplify the management

LISTED UNDER: ICs

Buck Controllers Deliver up to 12 A

October 21, 2008 5:44 am | Product Releases | Comments

Accepting and input from 6 to 42 V, the Simple Switcher family of synchronous buck controllers from National Semiconductor has an output current capability of up to 12 A. The LM3150 features an adjustable switching frequency and output voltage, and the LM3151, LM3152 and LM3153 deliver a fixed 3.3-V output voltage at 250, 500, and 750 kHz

LISTED UNDER: ICs
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Analog Switch Exhibits Negative Signal Capability

October 16, 2008 12:23 pm | Product Releases | Comments

Operating in audio applications, austriamicrosystems’ AS1747 dual SPDT analog signal switch presents a negative signal capability to allow designs without AC coupling capacitance. The IC shows on-resistance of 0.40 Ohm, channel-to-channel matching of <0.03 Ohm, on-resistance flatness of 0.25 Ohm, and total harmonic distortion (THD+N) of 0.01%. The 10-pin 3 mm² TDFN-packaged

LISTED UNDER: ICs

Schottky Diode Comes in SOD-923 Packaging

October 15, 2008 11:52 am | Product Releases | Comments

Measuring 0.026” × 0.043” × 0.016” (0.650 mm × 1.100 mm × 0.410 mm), Central Semiconductor’s CMAD6263 70 V 15 mA Schottky diode performs in a SOD-923 package. The integrated circuit demonstrates a maximum VF of 410 mV at 1 mA (395 mV typ.), typical reverse leakage current of 98 nA at 50 V (200 nA max.), and power dissipation of

LISTED UNDER: ICs

Isolation Amplifiers Possess High CMR

October 15, 2008 11:36 am | Product Releases | Comments

Meeting 8 mm creepage and clearance requirements, Avago Technologies’ ACPL-C780, ACPL-C780, and ACPL-C784 isolation amplifiers present a CMR of 15 kV/µs at 1,000 V VCM. The SO-8-packaged components display gain temperature drift of 0.00025 V/V/°C, input offset voltage of 0.30000 mV, and 0.00040% nonlinearity using advanced sigma-delta A/D

LISTED UNDER: ICs

LDO Regulators Consume Low Current

October 14, 2008 5:19 am | Analog Devices, Inc. | Product Releases | Comments

Coming in a 5-lead TSOT package, Analog Devices’ ADP120, ADP121 and ADP130 linear LDO regulators exhibit supply currents of <350 mA to mixed-signal ICs while consuming from 11 µA to 24 µA of quiescent current. The components operate at output voltages as low as 1.2 V with a 1 µF ceramic output capacitor. The ADP120 and ADP121 offer 60 dB PSR at

LISTED UNDER: ICs

Controller Performs in Half-Bridge Converters

October 13, 2008 12:34 pm | Stmicroelectronics | Product Releases | Comments

Operating in offline power supplies, STMicroelectronics’ L6591 PWM controller demonstrates optimization for zero-voltage switching asymmetrical half-bridge converters. The device enables efficiencies of 85% min. at 500 kHz, implements pulse skipping under light-load and no-load conditions, and has a quiescent current of <3 mA. The controller includes

LISTED UNDER: ICs
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ADCs Achieve 2.5 Giga-Samples Per Second

October 13, 2008 7:32 am | Product Releases | Comments

Sampling at 2.5 Gsps in 1st and 2nd Nyquist zones, the EV10AS150 family of 10-bit analogue-to-digital data converters (ADCs) from e2v features a 25% increase in analogue input bandwidth. Delivered as a combined 10-bit 2.5 Gsps ADC and DMUX device, the family includes 200 GHz fT transit frequency. The series provides: 10-bit 2.5 Gsps performance of >60 dB spurious free dynamic range (SFDR)

LISTED UNDER: ICs

Process Monitor is a Single-Chip Solution

October 10, 2008 6:53 am | Product Releases | Comments

Designed to watch the voltage, processor operation, and temperature in a computing system , the 9WDV3501 system monitoring IC from Integrated Device Technology is a single-chip solution to monitor multiple computing processes. Preventing systems from operating in error or unsafe modes, the pin-programmable device has a power-on reset function that holds the reset pins

LISTED UNDER: ICs

Buck Converter Consolidates Power Management Functions

October 10, 2008 6:17 am | Product Releases | Comments

Integrating a 1.7 A buck converter and an 800 mA buck converter, AnalogicTech’s AAT2789 dual buck converter combines power management functions for portable systems powered from a single-cell Lithium-ion battery. The 2-channel synchronous step-down component exhibits an input range from 2.7 V to 5.5 V, externally-adjustable output voltage, a low

LISTED UNDER: ICs

RF Switch Contains Four TX Paths

October 9, 2008 12:14 pm | Product Releases | Comments

Using UltraCMOS process technology, Peregrine Semiconductor’s PE42641 HaRP-enhanced SP4T RF switch presents 4 identical WEDGE- and CDMA-compliant TX paths while operating from DC to 3,000 MHz. The 3 mm × 3 mm × 0.75 mm QFN-packaged unit exhibits insertion loss of 0.45 dB at 1,000 MHz and 0.60 dB at 2,000 MHz, and isolation of

LISTED UNDER: ICs

Microcontrollers Employ a Hardware Control Law Accelerator to Assist the CPU

October 9, 2008 10:31 am | Product Releases | Comments

Offloading high-speed control algorithms from the main TMS320C28x CPU, Texas Instruments’ Piccolo Series MCUs frees the CPU to handle I/O and feedback loop metrics via its control law accelerator (CLA) design. The units provide 32-bit real-time control in solar power micro-inverters, LED lighting, white good appliances and hybrid automotive

LISTED UNDER: ICs

LED Backlight Driver Provides Flexible Color and Output Control

October 8, 2008 7:05 am | On Semiconductor | Product Releases | Comments

Integrating management for LCD backlighting, light output control, and ambient light sensing feedback, the NCP5890 lighting management IC from ON Semiconductor creates homogeneous lighting for LCD backlights Delivering an output of 30 V, the chip can control up to three sets of white or RGB LEDs in backlights. keypads, or chassis lighting. Features include an overall power efficiency

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Fifty-Volt LDMOS Power Transistors Serve L-Band Radar Applications

October 8, 2008 7:05 am | Product Releases | Comments

Freescale Semiconductor introduced a 50 V LDMOS RF power transistor line-up for L-Band radar applications. The MRF6V14300H final stage device produces pulsed RF output power of 330 W at frequencies between 1,200 and 1,400 MHz and offers desirable efficiency, gain and thermal resistance at this power level and frequency. This line of transistors offers

LISTED UNDER: ICs

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