Product category:
Analogue and Mixed Signal ICs
News Release from: Linear Technology Corp | Subject: LTC2255
Edited by the Electronicstalk Editorial
Team on 06 September 2005
ADC boosts basestation performance and
stays cool
The LTC2255 is a 125Msample/s 14bit analogue to digital convertor that combines excellent AC performance with extremely low power consumption.
New from Linear Technology, the LTC2255 is a 125Msample/s 14bit analogue to digital convertor (ADC) that features excellent AC performance and extremely low power consumption Outperforming its nearest 14bit competitor, the LTC2255 consumes 49% less power at just 395mW, significantly lowering the power budget and thermal considerations required for multiple channel devices
This article was originally published on Electronicstalk on 3 Oct 2008 at 8.00am (UK)
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This provides a significant advantage in applications where efficiency and cooling is critical, such as satellite receivers, wireless basestations and portable electronics.
As part of an extensive pin-compatible family, the LTC2255 comes in a conveniently small 5 x 5mm QFN package with integrated bypass capacitors, requiring only a small number of tiny external components.
The LTC2255 eliminates the need for large and costly decoupling capacitors, affording the smallest solution size available, which eases PCB space constraints and allows for more compact, cost effective designs.
With its small dimensions, low power and reduced external component requirement, designers can easily fit four LTC2255 ADCs where just one competing solution would fit.
The LTC2255 is well placed to meet the needs of 3G and emerging 4G technologies, WiMAX and other wideband wireless applications where high performance ADCs play a key role in handling the demands of increasing network traffic.
For wireless basestation system designers, reduced power consumption is an important design consideration in helping to lower overall system operation costs.
In addition, the combination of high sampling rate, low current and 14bit resolution make it ideally suited to battery powered, high performance test and instrumentation equipment.
The LTC2255 offers exceptional low-level input signal performance due to its high linearity, and it is designed with good margin relative to the sample rate for reliable performance over a wide temperature range.
At 125Msample/s sampling rate, it achieves excellent AC performance with 72.1dB SNR and 85dB SFDR at 70MHz.
The LTC2255 releases alongside five new family members, expanding the existing pin compatible family of low power, high speed ADCs to higher sampling rates of 105 and 125Msample/s in resolutions of 10, 12 and 14bit.
Each device is available both commercial and industrial temperature grades. Request a free brochure from Linear Technology Corp ...
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