AD8307 Low Cost, DC to 500 MHz, 92 dB Logarithmic Amplifier
●GENERAL DESCRIPTION
■The AD8307 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. The AD8307 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. A fast acting CMOS-compatible control pin can disable the AD8307 to a standby current of 150 μA.
■The AD8307 operates over the industrial temperature range of −40°C to +85°C and is available in an 8-lead SOIC package and an 8-lead PDIP.
●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
| 世强硬创平台www.sekorm.com | |
| 世强硬创平台电子商城www.sekorm.com/supply/ | |
| 世强硬创平台www.sekorm.com | |
| 世强硬创平台www.sekorm.com |
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