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| DATASHEET| FEBRUARY 5, 2008 2651A/2651E Broadband Photodiode The 2651 provides the proven high performance of Emcore's photodiode technology in a very practical, cost-effective package. The 2651A features high linearity and low capacitance over a 1 GHz bandwidth. The extended bandwidth 2651E offers high linearity and low capacitance up to 3 GHz. These broadband photodiodes are housed in a small, environmentally rugged coaxial package. The 2651 broadband photodetector is designed to provide the performance and flexibility needed to meet the expanding applications of two-way communications networks. This photodiode is used today in forward-and return-path applications, including AM-VSB CATV, QAM 64/256, PON, FTTC and FTTH receivers. Applications Forward-path and return-path broadband video transport FTTx 1527 receivers EDFA and network monitors Operating Case Temperature The 2651A and 2651E photodiodes are compliant with all criteria of the Restriction of the Use of Hazardous Substances in Electrical and Electronic Equipment (RoHS) guidelines 2002/95/EC. Performance Highlights Min -40 1100 2 10 Typ 25 0.90 0.98 0.35 12 Max +85 1600 5 50 0.4 1000 3000 1.0 4 -75 -65 -85 -75 15 V dBc dBp-p dB dBc pF MHz nA Units C nm A/W Features Low cost package Low capacitance, < 0.4 pF Low dark current, < 50 nA at +85C 1 GHz flat response, + 0.5 dB Extended bandwidth option High responsivity - > 0.90 A/W at 1310 nm, typ. - > 0.98 A/W at 1550 nm, typ. RoHS compliant Wavelength Responsivity, 1310 nm 1550 nm Dark Current, 25C 85C Capacitance Bandwidth, 2651A 2651E Gain Flatness, < 1 GHz Gain Up-Tilt, 2651E, 1 GHz to 3 GHz DSO, 2651A/E, < 1 GHz 2651E, 1 GHz - 3 GHz DTB, 2651A/E, < 1 GHz 2651E, 1 GHz - 3 GHz Bias Voltage See following pages for complete specifications and operating conditions. For more information on this and other products: Contact Sales at Emcore 626-293-3400, or visit www.emcore.com. Model 2651A/2651E Broadband Photodiode DATASHEET| FEBRUARY 5, 2008 Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability. Parameter Operating Temperature Range Storage Temperature Range Input Power Saturation Reverse Voltage Forward Current Symbol Top Tstg PIN VR IF Min -40 -40 Max 85 85 10 30 10 Unit C C mW V mA DC/Optical Characteristics Parameter Wavelength Responsivity Dark Current Capacitance Optical Return Loss Bias Voltage Fiber Buffer Fiber Core / Cladding Condition 1310 nm 1550 nm 25C 85C Min 1100 0.85 0.95 10 Typ 0.90 0.98 0.35 12 900 9/125 Max 1600 5 50 0.4 -40 15 Unit nm A/W nA pF dB V m m RF Characteristics Parameter Frequency Range 1 Condition 2651A 2651E 1 1 Min 2 - Typ - Max 1000 3000 1 4 -75 -65 -85 -75 Unit MHz dB dB dBc dBc Frequency Response Frequency Response DSO DTB 1,3 2651A/E, peak-to-valley, < 1 GHz 2651E up-tilt gain 2 2651A/E, 1310 nm, two tone test 4 2651E, 1310 nm, two tone test 2651A/E, 1310 nm, two tone test 4 2651E, 1310 nm, two tone test Characterized with resistive load of 75. 1 GHz to 3 GHz. 1,3 1. 2. 3. 4. Each test laser has 40% OMI. Distortion products are measured at 81, 449, 600, 850. Optical Pin = 0 dBm. Vpd = 12V. Additional test frequencies of 1500, 2000, and 2500 MHz. EMCORE CORPORATION 2 Model 2651A/2651E Broadband Photodiode DATASHEET| FEBRUARY 5, 2008 Outline Drawing Dimensions are in mm. Pinout Pin 1 2 3 Description Anode Cathode Ground Block Diagram . . . Ground Anode Cathode EMCORE CORPORATION 3 Model 2651A/2651E Broadband Photodiode DATASHEET| FEBRUARY 5, 2008 Fiber Length 115 + 15 cm 60 + 2 cm 47 + 2 cm 38 + 2 cm Conn Plastic Mounting Bracket Dimensions are in mm. With Bracket Without Bracket EMCORE CORPORATION 4 Model 2651A/2651E Broadband Photodiode DATASHEET| FEBRUARY 5, 2008 Metal Mounting Bracket Dimensions are in mm. EMCORE CORPORATION 5 Model 2651A/2651E Broadband Photodiode DATASHEET| FEBRUARY 5, 2008 Ordering Information - Model Number Options 2651A-045-115-N Model version 2651A 2651E Optical Connector 020 = FC/APC 023 = FC/UPC 045 = SC/APC 040 = SC/UPC Fiber length 038 = 38 cm 047 = 47 cm 060 = 60 cm 115 = 115 cm 100 = 100 cm Mounting Bracket N = No mounting bracket B = Plastic mounting bracket M = Metal mounting bracket Information contained herein is deemed to be reliable and accurate as of issue date. EMCORE reserves the right to change the design or specifications of the product at any time without notice. EMCORE and the EMCORE logo are trademarks of EMCORE Corporation. ZZds.2651 EMCORE CORPORATION 2015 West Chestnut Street Alhambra, California 91803-1542 Tel: 626-293-3400 Fax: 626-293-3428 EMCORE www.emcore.com CORPORATION Copyright 2007. EMCORE Corporation 6 |
Price & Availability of 2651A-020-038-B
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