AD8307AN Datasheet

Logarithmic Amplifiers


The AD8307AN is the first logarithmic amplifier made available in an 8-lead (SOIC_N) package. It is a complete 500 MHz monolithic demodulating logarithmic amplifier based on the progressive compression (successive detection) technique, providing a dynamic range of 92 dB to ±3 dB law-conformance and 88 dB to a tight ±1 dB error bound at all frequencies 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 7.5 mA is needed, corresponding to an unprecedented power consumption of only 22.5 mW at 3 V. A fast acting CMOS-compatible control pin can disable the AD8307 to a standby current of less than 150 μA. AD8307AN Features • Complete multistage logarithmic amplifier• 92 dB dynamic range: –75 dBm to +17 dBm to –90 dBm using matching network• Single supply of 2.7 V minimum at 7.5 mA typical• DC to 500 MHz operation, ±1 dB linearity• Slope of 25 mV/dB, intercept of −84 dBm• Highly stable scaling over temperature• Fully differential dc-coupled signal path• 100 ns power-up time, 150 μA sleep current


[{"Name":"RoHS ","Value":"No"},{"Name":"Number of Channels ","Value":"1"},{"Name":"Bandwidth","Value":"500 MHz "},{"Name":"Input Offset Voltage ","Value":"0.5 mV at 5 V "},{"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":"Through Hole"},{"Name":"Packaging","Value":"Tube "}]

Manufacturer information

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