Benefits and Features
●● Accurate Burst-Mode RSSI Measurement with Two
Current Mirror Outputs Improves Dynamic Range
• -32dBm to -5dBm Optical Input Range
• ±0.5dB Accuracy
• Sampling Period as Short as 300ns
• Pin Discharge Option
●● Low-Noise APD Bias with Shutdown Options
Reduces Receiver Sensitivity
• 15V to 76V APD Bias
• External Capacitor Connection for Controlled RC
Time Constant of APD Voltage Filter
• Current Clamp with Adjustable Limit and External
Shutdown with Limit Status
• High-Voltage Switch FET for APD Fast Shutdown
●● Supports Additional DC-DC Functions
• Low-Voltage Synchronous Buck FETs for Efficient
DFB Bias
• Low-Voltage pMOSFET for Generating Negative
Bias Voltage for EMLs
●● Small Package Reduces Total Solution Size and Cost
• 3.5mm x 3.5mm, 24-Pin TQFN Package with
Exposed Pad