Product Summary

The AD8310ARMZ-REEL7 is a complete, demodulating logarithmic amplifier (log amp) with a very fast voltage mode output, capable of driving up to 25 mA into a grounded load in under 15 ns. It uses the progressive compression (successive detection) technique to provide a dynamic range of up to 95 dB to ±3 dB law conformance or 90 dB to a ±1 dB error bound up to 100 MHz. It is extremely stable and easy to use, requiring no significant external components. The applications of the AD8310ARMZ-REEL7 include Conversion of signal level to decibel form, Transmitter antenna power measurement, Receiver signal strength indication (RSSI), Low cost radar and sonar signal processing, Network and spectrum analyzers, Signal-level determination down to 20 Hz, True-decibel ac mode for multimeters.

Parametrics

AD8310ARMZ-REEL7 absolute maximum ratings: (1)Supply Voltage, VS: 7.5 V; (2)Input Power (re 50 Ω), Single-Ended: 18 dBm; (3)Differential Drive: 22 dBm; (4)Internal Power Dissipation: 200 mW; (5)θJA: 200℃/W; (6)Maximum Junction Temperature: 125℃; (7)Operating Temperature Range: -40℃ to +85℃; (8)Storage Temperature Range: -65℃ to +150℃; (9)Lead Temperature Range (Soldering 60 s): 300℃.

Features

AD8310ARMZ-REEL7 features: (1)Multistage demodulating logarithmic amplifier; (2)Voltage output, rise time <15 ns; (3)High current capacity: 25 mA into grounded RL; (4)95 dB dynamic range: .91 dBV to +4 dBV; (5)Single supply of 2.7 V min at 8 mA typ; (6)DC–440 MHz operation, ±0.4 dB linearity; (7)Slope of +24 mV/dB, intercept of .108 dBV; (8)Highly stable scaling over temperature; (9)Fully differential dc-coupled signal path; (10)100 ns power-up time, 1 mA sleep current.

Diagrams

AD8310ARMZ-REEL7 block diagram

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AD8310ARMZ-REEL7
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