Fiber Optic Receiver OPF2418, OPF2418T, OPF2418TC OPF2418 Family • • • • • Up to 194 Mbps operation 850nm wavelength ® ST style port Wave solderable Wide temperature range The OPF2418 family is a low cost solution for high speed fiber optic communications designs. The internal lensing of this receiver’s design allows optimal response for fiber sizes of 100µm and below. The receiver is comprised of a high speed, low noise, photodiode coupled to a transimpedance amplifier (TIA). The photodiode/TIA combination produces an output voltage that is proportional to the input light amplitude. This hybrid approach solves many of the problems of high speed data link designs by placing the photodiode close to the TIA. The amplification of the TIA makes the output much less susceptible to EMI. The output of the OPF2418 is an analog, low impedance, emitter follower voltage source. Subsequent circuitry can be utilized to convert the analog voltage to ECL/TTL for digital data rates up to 155 Mbps. The OPF2418 is available with either standard ® or threaded panel mount ST receptacles. The threaded version is also available in conductive plastic. Applications ♦ ♦ ♦ ♦ Industrial Ethernet equipment Copper-to-fiber media conversion Intra-system fiber optic links Video surveillance systems ® “T” suffix = Threaded ST package ® “TC” suffix = Threaded, conductive ST package RoHS PIN FUNCTION 1 Not Connected 2 VOUT 3 VEE 4 Not Connected 5 Not Connected 6 VCC 7 VEE 8 Not Connected ESD Class 2 Pins 3 & 7 are electrically connected to the header. Pins 1,4,5 & 8 are mechanically connected together. ® ST is a registered trademark of AT&T. OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible. OPTEK Technology Inc.— 1645 Wallace Drive, Carrollton, Texas 75006 Phone: (800) 341-4747 FAX: (972) 323– 2396 [email protected] www.optekinc.com Issue A 8/2012 Page 1 of 3 Fiber Optic Receiver OPF2418, OPF2418T, OPF2418TC Absolute Maximum Ratings TA = 25° C unless otherwise noted Storage Temperature Range -55° C to +85° C Operating Temperature Range -40° C to +85° C (1) 260° C Lead Soldering Temperature Supply Voltage -0.5 V to 6.0 V Output Current 25 mA Output Pin Voltage -0.5 V Electrical/Optical Characteristics (TA = 25°C unless otherwise noted) SYMBOL R PARAMETER MIN TYP MAX 5.3 7.0 9.6 Responsivity mV/µW 4.5 0.40 VNOISE RMS Output Noise Voltage PN RMS Equivalent Optical Noise Input Power PR Peak Received Optical Power UNITS λp = 850 nm, f = 50 MHz 11.5 -40 °C ≤ TA ≤ +85 °C 0.59 75 MHz Bandwidth Filtered, PR = 0 0.70 0.050 CONDITIONS 0.065 mV µW Unfiltered Bandwidth Filtered PR = 0 100 MHz Bandwidth Filtered, PR = 0 175 VODC DC Output Voltage 150 -4.2 µW 40 °C ≤ TA ≤ +85 °C -3.1 -2.4 V PR = 0 9 15 mA RL = ∞ MHz -3dB electrical IEE Supply Current BW Bandwidth tr, tf Rise Time, Fall Time 2.0 2.6 ns f = 50 MHz, PR = 100 µW peak, RL = 511 Ω, CLOAD = 5 pF PWD Pulse Width Distortion 0.4 2.5 ns f = 50 MHz, PR = 150 µW peak PSRR Power Supply Rejection Ratio 20 dB f = 10 MHz 155 200 Notes: 1. Maximum of 5 seconds with soldering iron. Duration can be extended to 10 seconds when flow soldering. RMA flux is recommended. Application Circuit Note that the 10Ω resistor and bypass capacitor are OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible. Issue A 8/2012 Page 2 of 3 OPTEK Technology Inc.— 1645 Wallace Drive, Carrollton, Texas 75006 Phone: (800) 341-4747 FAX: (972) 323– 2396 [email protected] www.optekinc.com Fiber Optic Receiver OPF2418, OPF2418T, OPF2418TC Mechanical Data OPF2418 OPF2418T OPF2418TC DIMENSIONS ARE IN INCHES [MILLIMETERS] OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible. OPTEK Technology Inc.— 1645 Wallace Drive, Carrollton, Texas 75006 Phone: (800) 341-4747 FAX: (972) 323– 2396 [email protected] www.optekinc.com Issue A 8/2012 Page 3 of 3