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| AMT8412 2.5 Gb/s 1310/1550nm PIN-TIA FEATURES * * * * * * * 2.5 Gb/s differential output TIA DC-1.9 GHz bandwidth +3.3V Operation -23dBm Typical sensitivity 1250-1620nm PIN Photodetector Automatic Gain Control (AGC) 2dBm Optical Overload APPLICATIONS * SONET OC-48 / SDH STM-16 TO-46 4 pin Ball Lens Package TO-46 5 pin Ball Lens Package Product Description The ANADIGICS AMT8412, packaged in a 4 or 5 pin TO-46 lens can, is a 3.3V integrated photodetector and transimpedance amplifier (TIA) used to convert a long wavelength (1250 to 1620nm) optical input signal into a differential output voltage. The AMT8412 has a typical bandwidth of 1.9GHz and a dynamic range of over 25dB. The 5 pin package allows separate biasing and current monitoring of the photodiode. These devices are readily designed into receivers, transceivers and transponders for SONET OC-48 and SDH STM-16 applications. VPD VCC AGC OUT OUTQ GND (For the 4 pin header VPD and VCC are connected to the same pin) Figure 1: Functional Block Diagram AMT8412 ELECTRICAL CHARACTERISTICS Table 1: Absolute Maximum Ratings PARAMETER Supply Voltage Optical Input Power Storage Temperature MIN -0.5 - 40 MAX +3.8 +5 + 125 UNIT V dBm oC Stresses in excess of the absolute ratings may cause permanent damage. Functional operation is not implied under these conditions. Exposure to absolute ratings for extended periods of time may adversely affect reliability. Table 2: Electrical Specifications PARAMETER Wavelength Detector Active Area Sensitivity (1) Overload Responsivity 1550nm Responsivity 1310nm Vpd resistance Small signal transimpedance gain (50 ) Small signal transimpedance gain ( ) Small signal 3dB bandwidth Output resistance Output voltage swing (differential 50 ) Rise/Fall times 20% / 80% TIA supply voltage TIA supply current Power consumption (3.3V) Operating temperature 2.5Gb/s PRBS 2 -1, 1550nm, ER >12dB, BER 10 31 -10 MIN 1250 - 240 1.8 3.6 1.7 40 90 3.0 -40 TYP 70 -23 2 0.95 0.85 270 3.5 7 1.9 53 220 200 3.3 26 86 25 MAX 1620 - UNIT nm um dBm dBm A/W A/W K K MHz mVP-P ps V mA mW oC 340 5.0 10 65 400 3.6 38 134 +85 Figure 2: Pin location (4-pin) GND Figure 3: Pin location (5-pin) GND Table 3: Pin description NAME OUT VCC OUTQ GND DESCRIPTION TIA Output (Non-Inverted) Supply Voltage (+3.3V) TIA Output (Inverted) Ground OUTQ OUT OUTQ VCC OUT VPD VCC (Bottom View) (Bottom View) Rev 0.1 2 AMT8412 PACKAGE DIMENSIONS - 4 Pin TO-46 Rev 0.1 3 AMT8412 PACKAGE DIMENSIONS ORDERING INFORMATION Part Number AMT8412T46L4 AMT8412T46L5 PACKAGE DESCRIPTION 4 pin TO-46 Lens Package 5 pin TO-46 Lens Package ANADIGICS, Inc. 829 Flynn Road Camarillo, California 93012, U.S.A. Tel: +1 (805) 445-4500 Fax: +1 (805) 445-4502 URL: http://www.anadigics.com E-mail: Mktg@anadigics.com IMPORTANT NOTICE ANADIGICS, Inc. reserves the right to make changes to its products or discontinue any product at any time without notice. The product specifications contained in Advanced Product Information sheets and Preliminary Data sheets are subject to change prior to a product's formal introduction. Information in Data Sheets have been carefully checked and are assumed to be reliable; however, ANADIGICS assumes no responsibility for inaccuracies. ANADIGICS strongly urges customers to verify that the information they are using is current before placing orders. WARNING ANADIGICS products are not intended for use in life support appliances, devices, or systems. Use of an ANADIGICS product in any such application without written consent is prohibited. Rev 0.1 4 |
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