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Partname:ADL5519ACPZ-WP
Description:1 MHz to 10 GHz, 50 dB Dual Log Detector/Controller
Manufacturer:Analog Devices
Datasheet:PDF (654K).
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The ADL5519 is a dual-demodulating logarithmic amplifier, using the AD8317 core. It has the capability of accurately converting an RF input signal to a corresponding decibel-scaled output. The ADL5519 provides accurately scaled, independent, logarithmic outputs of both RF measurement channels. Difference output ports, which measure the difference between the two channels, are also available. The on-chip channel matching makes the log-amp channel difference outputs extremely stable with temperature and process variations. The device also includes a useful temperature sensor with an accurately scaled voltage proportional to temperature, specified over the device operating temperature range. The ADL5519 maintains accurate log conformance for signals of 1 MHz to 8 GHz and provides useful operation to 10 GHz. The input dynamic range is typically 50 dB (re: 50 ) with error less than 1 dB. The ADL5519 has 8/10 ns response time (fall time/rise time) that enables RF burst detection to a pulse rate of beyond 50 MHz. The device provides unprecedented logarithmic intercept stability vs. ambient temperature conditions. A supply of 3.0 V to 5.5 V is required to power the device. Current

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