Mixed Signal & Analogue

While digital electronics tends to get more than its fair share of coverage, analogue electronics remains the technology that makes things happen. It’s the interface between the real world and the 1s and 0s of the digital domain.

The range of technologies falling into the analogue domain is wide; everything from data conversion to amplification to switches. Like electronics in general, analogue products are getting more complex as device developers look to integrate more functionality. Recognising this, manufacturers have started to develop more capable design tools to support engineers.

Because analogue design is so important, New Electronics covers all aspects of the technology regularly.

Low power d/a converters prolong battery life

The MAX5214 and MAX5216 digital to analogue converters from Maxim Integrated Products are said to incorporate 'best in class' accuracy, a small package size and a low current consumption of less than 80µA IQ. The 14 and 16bit devices have been optimised to prolong battery life in portable applications and are said to be highly programmable to add flexibility and efficiency to power usage.

'Industry's smallest' two channel a/d converter from Maxim

Expanding its portfolio of I2C a/d converters, Maxim has announced the availability of the MAX11645, a two channel, 12 bit module with internal reference. The device comes in a 1.9 x 2.2mm wafer level package and has a height of 0.64mm, making it suitable for designs laying components out on both sides of the pcb.

Wide input voltage HBLED driver controller IC

Analogue, high bandwidth communications and Ethernet IC solutions specialist, Micrel Semiconductor has launched the MIC3203, a new step down high brightness LED (HBLED) driver controller IC with high-side current sense and PWM dithering feature for EMI control.

Capacitive touch devices

Mixed signal semiconductor specialist, Integrated Device Technology has announced the newest members of the IDT PureTouch family of capacitive touch devices. Targeting low channel consumer, white goods and portable devices, the PureTouch technology can be implemented through button, slider and scroll options.

Taking low power to a new level

Wolfson Microelectronics has launched a low power DAC designed to extend playback time, reduce system cost and enhance audio performance in portable applications such as media players, headsets, multimedia phones and navigation devices.

Enabling smaller, lighter products

Audiophile quality performance, power efficiency, click and pop suppression and undervoltage and short circuit protection are some of the features claimed by Intersil for the ISL99201 and ISL99202, the first in a family of small footprint audio devices that will enable smaller, thinner and lighter consumer products.

Op amp built on proprietary process

Intersil's ISL28207 op amp uses advanced bias current cancellation techniques to achieve low bias current drift over the operating temperature range, making it suited to high impedance input signals in process control, automated test and data acquisition.

Analogue delay lines boost video transmission range

Four triple analogue delay lines for video signals provide clear video images in applications where video is carried over long distances of twisted pair cable. The ISL59920, ISL59921, ISL59922, and ISL59923 are provide skew compensation between three high speed signals and are suitable for compensating for the skew introduced by a typical CAT-5, CAT-6 or CAT-7 cable.

Switch supports optimal signal routing

An octal switch from Intersil is targeted at smartphone applications. The ISL54230's size and flexible design enables the different types of signals in dual mode, dual standby operation phones to be routed optimally.

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