TPA8304中文资料140dB Range (1nA–10mA) Logarithmic Converter数据手册3PEAK规格书

特性 Features

• 7 full decades of range: 1nA to 10mA

• Law conformance error: 0.2 dB from 10nA to 10mA

• Fast step response: raising 0.2μs, falling 5μs for 10nA to 10μA input on INPT

• Basic logarithmic intercept at 100 pA

• Logarithmic slope of 200 mV/20dB (at the VLOG pin)

• Optimized for fiber optic photodiode interfacing

• Single-supply operation: 4.5 V to 5.5 V

• Power down mode

应用 Application

• High accuracy optical power measurement

• Wide range baseband log compression

• Versatile detector for APC loops

• EDFA