Product Summary

The AD8304ARU is a monolithic logarithmic detector optimized for the measurement of low frequency signal power in fiber optic systems. It uses an advanced translinear technique to provide an exceptionally large dynamic range in a versatile and easily used form. The applications of the AD8304ARU include High Accuracy Optical Power Measurement, Wide Range Baseband Log Compression, Versatile Detector for APC Loops.

Parametrics

AD8304ARU absolute maximum ratings: (1)Supply Voltage VP – VN: 8 V; (2)Input Current: 20 mA; (3)Internal Power Dissipation: 270 mW, θJA: 150℃/W; (4)Maximum Junction Temperature: 125℃; (5)Operating Temperature Range: –40℃ to +85℃; (6)Storage Temperature Range: –65℃ to +150℃; (7)Lead Temperature Range (Soldering 60 sec): 300℃.

Features

AD8304ARU features: (1)Optimized for Fiber Optic Photodiode Interfacing; (2)Eight Full Decades of Range: Law Conformance 0.1 dB from 1 nA to 1 mA; (3)Single-Supply Operation (3.0 V– 5.5 V); (4)Complete and Temperature Stable; (5)Accurate Laser-Trimmed Scaling: Logarithmic Slope of 10 mV/dB (at VLOG Pin), Basic Logarithmic Intercept at 100 pA, Easy Adjustment of Slope and Intercept; (6)Output Bandwidth of 10 MHz, 15 V/s Slew Rate; (7)1-, 2-, or 3-Pole Low-Pass Filtering at Output; (8)Miniature 14-Lead Package (TSSOP); (9)Low Power: ~4.5 mA Quiescent Current (Enabled).

Diagrams

AD8304ARU pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
AD8304ARU
AD8304ARU

IC LOGARITHM CONV 160DB 14-TSSOP
Data Sheet
0-17: $14.61
AD8304ARU-REEL
AD8304ARU-REEL
Analog Devices Inc
IC LOGARITHMIC CONV 14-TSSOP T/R
Data Sheet
1-2500: $11.16
AD8304ARU-REEL7
AD8304ARU-REEL7

IC LOGARITHMIC CONV 14-TSSOP T/R
Data Sheet
0-1000: $10.53
AD8304ARUZ
AD8304ARUZ

IC LOGARITHM CONV 160DB 14-TSSOP
Data Sheet
0-1: $13.66
1-10: $12.64
10-100: $10.79
100-250: $9.90
250-500: $9.43
500-1000: $9.11
AD8304ARUZ-RL7
AD8304ARUZ-RL7

IC LOGARITHM CONV 160DB 14-TSSOP
Data Sheet
0-1000: $9.11