Wireless Applications

Austriamicrosystems Launches Micro-Power, 12-bit, ADC

May 25, 2007

The AS1524/25 line is ideal for applications with strict low power requirements like battery powered data acquisition systems, including remote sensors or pen digitizers, while offering single-ended and fully-differential input.


UNTERPREMSTAETTEN, Austria--(BUSINESS WIRE)--austriamicrosystems (SWX:AMS), a leading global designer and manufacturer of analog integrated circuits (ICs) for communication, industrial, medical and automotive applications, has expanded its A/D converter portfolio with the new AS1524 12-bit, ultra low-power single-channel full-differential A/D converter and the AS1525 dual-channel single-ended ultra low power ADC. Combining ultra low-power operation at a high sampling speed of 150 Ksps with excellent dynamic performance in a small 3x3mm TDFN 8pin package, the AS1524/25 family is an optimal solution for small battery-powered devices and portable data acquisition systems such as remote sensors or pen digitizers with thought space requirements.

Demonstrating austriamicrosystems' continued industry leadership in low power consumption, the AS1524/25, consumes only 350 µA (3 V) at the 150 Ksps maximum sampling rate. The advanced automatic shutdown feature places the device between conversions into sleep mode reducing the power consumption significantly at lower sampling speeds. At reduced speed of 100 Ksps the power consumption drops to 245 µA (3 V). The consumption drops down to 2.5 µA at a still reasonable speed of 1 Ksps and 200 nA during shutdown.

"These A/D converters are perfect for applications with extremely demanding power consumption and space requirements. One of the key aspects of its design in terms of the reduction in power consumption, is the intelligent automatic shutdown. Thanks to this unique circuitry design the AS1524/25 is always in the perfect operating point drawing a minimum current during all sampling rates," said Walter Moshammer, marketing director for standard linear at austriamicrosystems.

SPI, QSPI and a Microwire-compatible interface enable high-speed data access while minimising board space. Both devices generate an internal clock; however, they also support an external clock for increased flexibility. Both parts operate from a 2.7–5.25 V single supply.

The AS1524/25 family is available in an 8-pin 3x3mm TDFN package suitable for operating environments ranging from -40°C to +85°C. For product specific information, to download data sheets or to request free samples from austriamicrosystems' online shop ICdirect, please click here.

About austriamicrosystems
austriamicrosystems is a leading designer and manufacturer of high performance analog ICs, combining more than 25 years of analog design capabilities and system know-how with its own state-of-the-art manufacturing and test facilities. austriamicrosystems leverages its expertise in low power and high accuracy to provide industry-leading customized and standard analog products. Operating worldwide with more than 1,000 employees, austriamicrosystems focuses on the areas of power management, sensors & sensor interfaces, portable audio and car access in its markets Communications, Industry & Medical and Automotive, complemented by its Full Service Foundry activities. austriamicrosystems is listed on the SWX Swiss Exchange in Zurich (ticker symbol: AMS). For more information, please visit the Web site.


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