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100 dB-range (10nA-1mA) Logarithmic Converter
Analog Devices, Inc
Description
The AD8305 is a low-cost micro miniature logarithmic detector optimized for the determination of optical power in fiber-optic systems. It uses an advanced implementation of a classic translinear...
Features
Optimized for Fiber-Optic Photodiode Interfacing Measures Current Over Five Decades Law Conformance 0.1dB from 10nA to 1mA Single Supply Operation (3.0 V ? 12 V) Temperature Stable Nominal Slope of 10 mV/dB (200 mV/Decade) Nominal Intercept of 1 nA Set by External Resistor Optional Adjustment of Slope and Intercept Log-Ratio Capability Minimal Response Time at all Current Levels Miniature 16-Pin Chip Scale Package (LFCSP 3x3 mm) Low Power: ~5mA Quiescent Current
Related Datasheets
| Part Number | Description | Category |
| • AD606 | 50 MHz, 80 dB Demodulating Logarithmic Amplifier with Limiter Output | Amplifier/Conditioner |
| • AD640 | 120 MHz, 50 dB Demodulating Logarithmic Amplifier | Amplifier/Conditioner |
| • AD641 | 250 MHz, 44 dB Demodulating Logarithmic Amplifier | Amplifier/Conditioner |
| • AD8302 | 2.7GHz RF / IF Gain Phase Detector | Amplifier/Conditioner |
| • AD8306 | 5 - 400 MHz, 100 dB High Precision Limiting - Logarithmic Amplifier | Amplifier/Conditioner |
| • AD8307 | Low Cost, DC - 500 MHz, 92 dB Logarithmic Amplifier | Amplifier/Conditioner |
| • AD8309 | 5 - 500 MHz, 100 dB Demodulating Logarithmic Amplifier with Limiter Output | Amplifier/Conditioner |
| • AD8310 | Fast Response, DC - 440 MHz, Voltage Out, 90 dB Logarithmic Amplifier | Amplifier/Conditioner |
| • AD8311 | 50 dB GSM PA Controller | Amplifier/Conditioner |
| • AD8312 | 50 MHz to 3.5 GHz, 45 dB RF Log Detector | Amplifier/Conditioner |
| • AD8313 | 0.1 - 2.5 GHz, 70 dB Logarithmic Detector / Controller | Amplifier/Conditioner |
| • AD8314 | 100 MHz to 2.7 GHz, 45 dB RF Detector/Controller | Amplifier/Conditioner |
| • AD8315 | 50 dB GSM PA Controller | Amplifier/Conditioner |
| • AD8316 | Dual Output GSM PA Controller | Amplifier/Conditioner |
| • AD8317 | 1 MHz to 10 GHz, 50 dB Log Detector/Controller | Amplifier/Conditioner |
| • AD8318 | 1 MHz to 8 GHz, 70 dB Logarithmic Detector/Controller | Amplifier/Conditioner |
| • AD8319 | 1 MHz to 10 GHz, 40 dB Log Detector/Controller | Amplifier/Conditioner |
| • ADL5519 | 1 MHz to 10 GHz, 62 dB Dual Log Detector/Controller | Amplifier/Conditioner |
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