19-5910 Rev 0 8/11 EVALUATION KIT AVAILABLE MAX3710 125Mbps to 2.5Gbps Integrated Limiting Amplifier/ Burst Mode Laser Driver with Dual-Loop Power Control General Description Benefits and Features The MAX3710 limiting amplifier and burst mode laser S Simplifies Module Manufacturing driver provides a highly integrated, low-cost, high-perfor- Enables Single-Temperature Module Testing mance PMD solution for GPON/EPON ONU applications Production Laser Auto-Calibration Mode in modules or directly on the ONU board. S Improved ONU Performance The low-jitter laser diode driver provides transmit burst Integrated APC and ERC Loops mode average power control (APC) of laser bias current 1.3mV Receiver Sensitivity P-P as well as an integrated modulation current control loop Separate Laser Driver Supply (Rogue ONU (extinction ratio control, or ERC). The ERC eliminates the Shutdown) need for temperature lookup tables (LUTs) controlling the S Flexibility modulation current. LVDS, LVPECL, and CML Compatible High- The low-noise limiting amplifier maximizes optical sensi- Speed I/Os tivity and has adjustable SD/LOS threshold plus program- Programmable I/O Polarity mable output levels. The differential CML output stage 3-Wire Digital Interface features a slew-rate adjustment for 1.25Gbps EPON S Safety and Reliability operation. Integrated bias current monitor, burst mode Tx Integrated Safety Features with FAULT Mask power monitor, and a digital laser power monitor enable Register a low-cost implementation of the next-generation GPON Supports SFP MSA and SFF-8472 Digital and EPON modules with digital diagnostics. Diagnostic A novel auto-calibration mode enables low-cost fiber Selectable Analog Monitor of Laser Power or optic module production. An integrated 3-wire digital BIAS Current at BMON Pin interface controls the laser driver and limiting amplifier Applications functions, and enables communication with a low-cost controller. BOSA On-Board The MAX3710 is offered in a small, 4mm x 4mm, 24-pin GPON/EPON ONU TQFN package with exposed pad, and operates over the -40NC to +95NC temperature range. Ordering Information appears at end of data sheet. For pricing, delivery, and ordering information, please contact Maxim Direct 1 at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX3710 125Mbps to 2.5Gbps, Integrated Limiting Amplifier/ Burst Mode Laser Driver with Dual-Loop Power Control ABSOLUTE MAXIMUM RATINGS V , V , V ............................................... -0.3V to 4.0V Current Range into LPD ...................................... -5mA to +5mA CCX CCTO CCD Voltage Range at DISABLE, SDA, SCL, CSEL, Current out of ROUT+, ROUT- ...........................................40mA FAULT, LOS, MDREF, LPD .................. -0.3V to (V + 0.3V) Current into TOUT ............................................................180mA CC Voltage Range at RIN+, RIN- ........ (V - 1.7V) to (V + 0.3V) Current into IOUT .............................................................120mA CC CC Voltage Range at ROUT+, ROUT- .......... (V - 2V) to (V + 0.3V) Voltage Range at BMON .........................................-0.3V to V CC CC CC Voltage Range at TIN+, TIN-, Continuous Power Dissipation (T = +70NC) A TQFN (derate 27.8mW/NC above +70NC)..................2222mW BEN+, BEN- .......................................... -0.3V to (V + 0.3V) CC Storage Temperature Range .......................... -55NC to +150NC Voltage Range at TOUT .......................................0.3V to V CCTO Die Attach Temperature .................................................+400NC Voltage Range at IOUT .........(V - 1.8V) to (V + 1.2V) CCTO CCTO Lead Temperature (soldering, 10s) ................................+300NC Current Range into FAULT, LOS, Soldering Temperature (reflow) ......................................+260NC MDIN, SDA ...................................................... -1mA to +5mA Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional opera- tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (V = 2.97V to +3.63V, T = -40C to +95C CML receiver output is AC-coupled to differential 100 load registers are set to default CC A values, unless implied by test conditions. Typical values are at V = +3.3V, T = +25C, data rate = 2.5Gbps, I = 20mA, and CC A BIAS I = 40mA, unless otherwise noted.) (Note 1) MOD PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS OPERATING CONDITIONS Power Supply Voltage V 2.97 3.3 3.63 V CC POWER SUPPLY Includes Rx CML output current, Power-Supply Current I 75 110 mA CC excludes Tx I = 20mA, I = 40mA BIAS MOD POWER-ON RESET V for Enable High V connected to V 2.55 2.75 V CC CCX CCD V for Enable Low V connected to V 2.3 2.45 V CC CCX CCD Rx INPUT SPECIFICATION Differential Input Resistance R 75 100 125 I IN 23 2 - 1 PRBS, 2.5Gbps, TX EN = 0 Input Sensitivity V 1.3 2 mV INMIN P-P (Note 2) Input Overload V (Note 2) 1.2 V INMAX P-P Device powered on, f P 2GHz 19 Differential Input Return Loss S dB DD11 Device powered on, f P 5GHz 12 Device powered on, 1GHz P f P 2GHz 11 Common-Mode Input Return S dB CC11 Loss Device powered on, 2GHz P f P 5GHz 14 Rx OUTPUT SPECIFICATION Differential Output Resistance R 75 100 125 I OUTDIFF Device powered on, f P 2GHz 19 Differential Output Return Loss S dB DD22 Device powered on, 2GHz P f P 5GHz 15 Device powered on, f P 2GHz 14 Common-Mode Output Return S dB CC22 Loss Device powered on, 2GHz P f P 5GHz 10 2