Digital Step Attenuators
■IDT DIGITAL STEP ATTENUATORS (DSAs) are extremely accurate, enabling precise adjustment of the DSA attenuation value to the desired level with pinpoint accuracy. The step and absolute accuracy hold very well over temperature (−40 ̊C to +105 ̊C) which helps customers simplify their software interface. The Glitch-Free technology results in a typical settling time of 400nsec making them ideal for agile TDD systems. These devices are bi-directional with very high power handling characteristics with up to a 28dBm continuous power rating at 105 ̊C and > 34dBm compression point.
■LOW INSERTION LOSS: IDT DSAs have a typical insertion loss as low as 1.2dB at 2GHz. Low insertion loss improves overall system performance and data throughput, helping improve receiver sensitivity and minimize unwanted signal loss in the transmitter path.
■LOW IM3 DISTORTION: Unwanted signals can generate intermodulation (IM) products, reducing the effective SNR and signal throughput of the system. Applications such as 4G LTE, CATV infrastructure and Fiber access networks have stringent linearity requirements in order to achieve high system data rates, driving the need for high linearity RF components that minimize IM3 distortion. IDT DSAs are very low distortion devices with typical IP3 of only +65 dBm, making them an ideal choice for applications that require high linearity.
Selection catalogue
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Selection guide |
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Please see the document for details |
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24-TQFN;20-TQFN;32-QFN |
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English Chinese Chinese and English Japanese |
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2016/12/2 |
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525 KB |
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