TPA8304(3PEAK思瑞浦)
- The TPA8304 is a logarithmic detector optimized for themeasurement of low frequency signal power in fiber opticsystems and offers a large dynamic range.Wide measurement range, accuracy and fast step response areachieved, which is very suita
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The TPA8304 is a logarithmic detector optimized for themeasurement of low frequency signal power in fiber opticsystems and offers a large dynamic range.Wide measurement range, accuracy and fast step response areachieved, which is very suitable for the requirement of opticsystem.The TPA8304 requires only a single positive supply of 5 V. Lowquiescent current and chip disable facilitate use in batteryoperated applications.
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 to10μA 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
Applications
⚫ High accuracy optical power measurement
⚫ Wide range baseband log compression
⚫ Versatile detector for APC loops
⚫ EDFA
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 to10μA 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
Applications
⚫ High accuracy optical power measurement
⚫ Wide range baseband log compression
⚫ Versatile detector for APC loops
⚫ EDFA
