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MAX3967 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX3967 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 14 page 270Mbps SFP LED Driver 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS Supply Voltage at VCC, VCCOUT (VEE, VEEOUT = 0V) ..............................................-0.5V to +7V Current into OUT+, OUT- ................................-40mA to +160mA Differential Output Voltage (OUT+ to OUT-) .........-3.3V to +3.3V Voltage at PB1, PB2, PB3, IN+, IN-, OUT+, OUT-, TX_DISABLE......-0.5V to (VCC + 0.5V) Voltage at TCMIN, TCNOM, TC, MODSET, MON ....-0.5V to +2V Continuous Power Dissipation (TA = +85°C) 24-Lead Thin QFN (derate 20.8mW/C ° above +85 °C).............................................................1354mW Operating Junction Temperature Range ...........-40°C to +150°C Die Attach Temperature...................................................+400°C Storage Temperature Range .............................-50°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation 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. DC ELECTRICAL CHARACTERISTICS (Load as specified in Figure 1; VCC = +2.97V to +5.5V (at the VCC pins); VEE, VEEOUT = 0V; TA = -40°C to +85°C, unless otherwise noted. Temperature coefficients are referenced to TA = +25°C. Typical values are at VCC = +3.3V, TA = +25°C, unless otherwise noted. Dice are tested at TA = +25°C only.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Data Input High Voltage Referenced to VCC, DC-coupled input -1.165 -0.880 V Data Input Low Voltage Referenced to VCC, DC-coupled input -1.810 -1.475 V Supply Current ICC (Note1) 30 39 mA Input Current at IN+ or IN- -50 +50 µA TA = -40 °C 110 TA = +25 °C 124 RMODSET = 698 Ω (Note 2) TA = +85 °C 139 TA = -40 °C14 TA = +25 °C18 RMODSET = 3.0k Ω (Note 3) TA = +85 °C22 Modulation Current (Note 3) 66.0 75 84.5 mA PB1, PB2, PB3 = (open, open, open) 0.368 0.400 0.451 PB1, PB2, PB3 = (VEE, VEE, open) 0.575 0.625 0.696 Prebias Voltage PB1, PB2, PB3 = (VEE, VEE, VEE) 0.848 0.925 1.026 V Maximum tempco (TC open) 12,000 Nominal tempco (TC shorted to TCNOM) 3600 Temperature Coefficient of Modulation Current Minimum tempco (TC shorted to TCMIN) 2500 ppm/°C Prebias Resistor RPREBIAS 66 78 90 Ω TX_DISABLE Resistance Resistance to VEE (Note 4) 50 65 100 k Ω TX_DISABLE High VIH 2.0 V TX_DISABLE Low VIL 0.8 V Monitor Gain IMON / IMODSET, VMON < 1.1V, RMODSET = 1k Ω, TC = TCMIN 0.92 1 1.08 A/A Note 1: RMODSET = 1k Ω. Excludes IOUT+ and IOUT-, TX_DISABLE high or low. Note 2: TC connected to TCMIN. Note 3: VCC = +3.3V, VLED = 1.55V, prebias voltage programmed at 0.625V (nominal), TA = +25 °C. RMODSET = 1kΩ, (programs approximately 80mA), TC connected to TCNOM. Note 4: The TX_DISABLE pin is internally pulled low. The driver is enabled when TX_DISABLE is left open. |
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