Datasheet Summary
Data Sheet ADL5309
Dual, 188 dB Range, 10 pA to 25 mA, Logarithmic Converter
Features
- 188 dB electrical dynamic range and 94 dB optical dynamic range
- Dual-channel current inputs for direct optical gain measurements
- Accurately trimmed logarithmic response:
- Logarithmic slope 200 mV/decade
- Logarithmic conformance error ±0.4 dB over temperature
- Offset trimmed at 70°C to reduce dark current
- Integrated LDO: 26 dB PSRR at 60 Hz and 100 pA input current (VCC = 3.0 V)
- I2C adjustable:
- Photodiode bias voltage
- Trade-off between noise and response time at low input cur- rents
- Integrated 14-bit ADC
- Requires minimal external ponents
- 2.040 mm × 1.640 mm, 20-lead WLCSP
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