AD8310ARM Datasheet

Logarithmic Amplifiers


The AD8310ARM is a complete, dc&ndash;440 MHz 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 &plusmn;3 dB law conformance or 90 dB to a &plusmn;1 dB error bound up to 100 MHz. It is extremely stable and easy to use, requiring no significant external components. A single-supply voltage of 2.7 V to 5.5 V at 8 mA is needed, corresponding to a power consumption of only 24 mW at 3 V. A fast-acting CMOS-compatible enable pin is provided. AD8310ARM Features &bull; Multistage demodulating logarithmic amplifier&bull; Voltage output, rise time <15 ns&bull; High current capacity: 25 mA into grounded RL&bull; 95 dB dynamic range: &minus;91 dBV to +4 dBV&bull; Single supply of 2.7 V min at 8 mA typ&bull; DC&ndash;440 MHz operation, &plusmn;0.4 dB linearity&bull; Slope of +24 mV/dB, intercept of &minus;108 dBV&bull; Highly stable scaling over temperature&bull; Fully differential dc-coupled signal path&bull; 100 ns power-up time, 1 mA sleep current AD8310ARM Applications &bull; Conversion of signal level to decibel form&bull; Transmitter antenna power measurement&bull; Receiver signal strength indication (RSSI)&bull; Low cost radar and sonar signal processing&bull; Network and spectrum analyzers&bull; Signal-level determination down to 20 Hz&bull; True-decibel ac mode for multimeters


[{"Name":"RoHS ","Value":"No"},{"Name":"Number of Channels","Value":"1"},{"Name":"Bandwidth","Value":"440 MHz "},{"Name":"Input Voltage Range (Max)","Value":"5.5 V"},{"Name":"Operating Supply Voltage","Value":"2.7 V to 5.5 V "},{"Name":"Supply Current","Value":"8 mA "},{"Name":"Operating Temperature Range ","Value":"+ 85 C"},{"Name":"Mounting Style ","Value":"SMD/SMT"},{"Name":"Package / Case","Value":"MSOP-8 "},{"Name":"Packaging","Value":"Tube"}]

Manufacturer information

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