AD8313ARM

70 dB, Logarithmic Detector/Controller, MSOP8, 0.1 GHz to 2.5 GHz, 60 mW at 3 V, 0 V VPOS

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Price:: US $1.80~2.50 / piece [Get Latest Price]

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	US $1.80~2.50

PartNumber:: AD8313ARM

Brand:: Analog Devices - ADI | Pack: MSOP | D/C: 10+

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Products Upload time: 2011-07-12

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Product Summary

The AD8313ARM is a complete multistage demodulating logarithmic amplifier, capable of accurately converting an RF signal at its differential input to an equivalent decibel-scaled value at its dc output. The AD8313ARM maintains a high degree of log conformance for signal frequencies from 0.1 GHz to 2.5 GHz and is useful over the range of 10 MHz to 3.5 GHz. The nominal input dynamic range is –65 dBm to 0 dBm (re: 50 W), and the sensitivity of the AD8313ARM can be increased by 6 dB or more with a narrow band input impedance matching network or balun. Application is straightforward, requiring only a single supply of 2.7 V–5.5 V and the addition of a suitable input and supply decoupling. Operating on a 3 V supply, its 13.7 mA consumption (for TA =+25℃) amounts to only 41 mW. A power-down feature of the AD8313ARM is provided; the input is taken high to initiate a low current (20 mA) sleep mode, with a threshold at half the supply voltage.

Parametrics

AD8313ARM absolute maximum ratings: (1)Supply Voltage VS: 5.5 V; (2)VOUT, VSET, PWDN: 0 V, VPOS; (3)Input Power Differential (re: 50 W, 5.5 V): +25 dBm; (4)Input Power Single-Ended (re: 50 W, 5.5 V): +19 dBm; (5)Internal Power Dissipation: 200 mW; (6)qJA: 200℃/W; (7)Maximum Junction Temperature: +125℃; (8)Operating Temperature Range: –40℃ to +85℃; (9)Storage Temperature Range: –65℃ to +150℃; (10)Lead Temperature Range (Soldering 60 sec): +300℃.

Features

AD8313ARM features: (1)Wide Bandwidth: 0.1 GHz to 2.5 GHz Min; (2)High Dynamic Range: 70 dB to 63.0 dB; (3)High Accuracy: 61.0 dB over 65 dB Range (@ 1.9 GHz); (4)Fast Response: 40 ns Full-Scale Typical; (5)Controller Mode with Error Output; (6)Scaling Stable Over Supply and Temperature; (7)Wide Supply Range: +2.7 V to +5.5 V; (8)Low Power: 40 mW at 3 V; (9)Power-Down Feature: 60 mW at 3 V; (10)Complete and Easy to Use.