afbr-1150l / AFBR-2150L fiber optic transmitter and receiver for 150 mbit/s most ? data sheet features ? optical transmitter and receiver for most150 applications with a maximum data rate of 150 mbit/s ? 3.3 v power supply voltage ? operating temperature range -40 c to +95 c ? transmitter: driver ic and led with 650 nm for working in low attenuation range of pmma fber, sleep- and wake-up-function, diferential lvds input stage. ? receiver: photodiode and ic with pre-amp, post-amp, digitizer, sleep C and wake-up-function, diferential lvds output stage. ? mechanical assembly: 7-pin transfer molded side- looker package with integrated lenses, 1.27 mm pitch between pin. ? compliance to most150 ophy automotive physical layer sub-specifcation ? rohs compliant (lead free and halogen free) applications optical transmitter and receiver for most ? 150 mbit/s systems (a full description of the most ? 150 system is available at www.mostcooperation.com) description most150 transmitter and receiver are designed to trans - mit/ receive up to 150 mbit/s optical data which are dca coded. both are packaged in 7-pin transfer molded, low- cost packages ready for assembly into most ? plastic fber optic connector receptacles. the transmitter utilizes a 650 nm led source with inte - grated optics for efcient coupling into 1 mm polymer optical fiber (pof), and the receiver contains a high speed pin diode to receive this light. input/output data has lvds switching levels, compatible with most ? network interface controller ics. these optical components are specifed for operation over a -40 c to +95 c temperature range, and meet the reliability requirements of automotive applications. in the absence of data activity, transmitter and receiver switch to very low power mode. while in this mode, the devices can sense new data activity and switch back to full opera - tion. related documents ? most150 ophy automotive physical layer sub-specifcation
2 absolute maximum ratings parameter symbol min. max. units supply voltage [1] v ccmax -0.5 4.0 v storage temperature t stg -40 105 c soldering temperature (distance to package >3mm; t10s) [3] t s 260 c voltage at any pin -0.5 v cc +0.5 v electrostatic voltage capability [2] esd 2.0 kv notes: 1. maximum supply voltage without causing damage 2. esd capability for all pins hbm (human body model) according jesd22-a114b 3. for more information regarding the solder process see application note handling, storage, operating and processing recommended operating conditions parameter symbol min. typ. max. unit supply voltage v cc 3.135 3.3 3.465 v data rate dca coded [1] dr 135 ? 150 mbit/s ambient temperature range [2] t a -40 ? 95 c notes: 1. description of dca coding in most150 ophy automotive physical layer sub-specifcation section 4.2 network coding 2. for more information see application note handling, storage, operating and processing all the data in this specifcation refers to the operating conditions above and over lifetime unless otherwise stated. afbr-1150l (transmitter) transmitter electrical characteristics parameter symbol min. typ. max. unit supply voltage v cc 3.135 3.3 3.465 v diferential input voltage [1] v din-diff 100 ? 600 mv input voltage range to circuit common [1] v din 0 ? 2.4 v dinp dinn input current i din ? ? 20 a input high (/rst, -3db) v ih-lvc 2 ? v cc +0.3 v input low (/rst, -3db) v il-lvc -0.3 ? 0.8 v current consumption in power on state i fpm ? ?38 2 52 ma current consumption in power of state [3] i lpm ? ?12 2 30 a notes: 1. all lvds parameter have to ft lvds specifcation tia/eia-644-a, absolute value of diferential voltage, equal to single ended voltage level at each input dinp, dinn, input rise and fall times according the most ? ophy sp1 input eye. 2. typical values at t = 25c and v cc = 3.30 v 3. /rst = low and no input data
3 transmitter optical signal characteristics parameter symbol min. typ. max. unit optical output power (average) [1, 2] p opt -7.8 ? -1.5 dbm extinction ratio er 10 ? ? db optical rise time (20%-80%) t r ? ? 1.7 ns optical fall time (80%-20%) t f ? ? 1.7 ns center wavelength [3] c 635 650 675 nm spectral bandwidth rms [3] w 17 nm transferred jitter [4] j tr ? ? 112 ps rms total jitter [5, 6] j t ? 0.1 [8] 0.3 ui positive overshoot [7] os ? ? 40 % negative undershoot [7] us -20 ? ? % notes: 1. average value when transmitting modulated light at signal timing parameters. the output power coupled into plastic fber p opt is measured with a large area detector at the end of 30 cm pof fber with a na = 0.5 which is ideally coupled to the transmitter. 2. most ? stress pattern has been used for characterization 3. center wavelength and spectral bandwidth rms are defned as: transmitter timing characteristics parameter symbol min. typ. max. unit power on delay t on ? ? 100 s power of delay t off ? ? 2 s eye safety the transmitter device emits light with a wavelength of 650 nm (red). this product is designed to avoid damage to the unprotected eye. to indicate the classifcation of the light source, a label as depicted in the subsequent fgure can be used. however these labels are not mandatory on the product according to iec 60825 version 1.2 paragraph 1.1. 4. using a jitter filter specifed in most150 ophy automotive physical layer sub-specifcation section 5.2 5. using a golden pll specifed in most150 ophy automotive physical layer sub-specifcation section 5.1 6. maximum allowed total jitter is derived from eye defnition specifed in most150 ophy automotive physical layer sub-specifcation section 6.2 (sp2). the total jitter at the electrical input of the transmitter has to be < 0.15 ui . 7. parameters are normalized and calculated relatively to the measured b 1 (top) and b 0 (base) levels, where b 1 = 100% and b 0 = 0%. 8. typical jitter value is measured with most ? stress pattern input signal with best possible jitter at typical conditions v cc = 3.30 v, t = 25 c ref: eia/tia standard fotp-127/61.1 and 61.3, 1991.
4 AFBR-2150L (receiver) receiver optical input signal characteristics parameter symbol min. typ. max. unit average optical input power range for on-state [1, 2] p on -22.5 ? -2 dbm average optical input power range for off-state [1] p off ? ?-35 dbm center wavelength [3] c 635 650 675 nm spectral bandwidth rms [3] w 17 nm notes: 1. optical power data are average values when using any most150 optical transmitter, measured at the end of a plastic optical fber with metal insert (diameter 2.90 +/- 0.02 mm), which is ideally coupled to the receiver. the transmitter data is most ? stress pattern. 2. within this optical power range the entire subsequent specifcations are met and a ber 10 -9 can be reached. 3. center wavelength and spectral bandwidth rms are defned as: receiver electrical characteristics parameter symbol min. typ. max. unit supply voltage v cc 3.135 3.3 3.465 v diferential output voltage [7] v do-diff 250 ? 400 mv output ofset voltage [7] v do-os ? 1.2 ? v status output voltage high v oh-stat 2.4 ? ? v status output voltage low [1] v ol-stat ? ? 0.4 v current consumption in power on state i fpm ? ?21.5 2 35 ma current consumption in power of state i lpm ? ?1 2 30 a electrical rise time (20%-80%) [7] t r ? ? 1.02 ns electrical fall time (80%-20%) [7] t f ? ? 1.02 ns transferred jitter [3] j tr ? ? 230 ps rms total jitter [4, 5] j t ? 0.25 [6] 0.55 ui notes: 1. for 8 k ? pull up 2. typical values at t = 25 c and v cc = 3.30 v 3. using a jitter filter specifed in most150 ophy automotive physical layer sub-specifcation section 5.2 4. using a golden pll specifed in most150 ophy automotive physical layer sub-specifcation section 5.1 5. maximum allowed total jitter is derived from eye defnition specifed in [1] section 6.4 (sp4). the total jitter at the optical output of the transmitter has to be < 0.30 ui . the optical signal may be sent through an attenuator and thereafter a max. 15 m pof (na = 0.5) with a mode mixer. 6. typical jitter value is measured with most ? stress pattern input signal with best possible jitter at typical conditions v cc = 3.30 v, t = 25 c and minimal p on 7. the parameters of the lvds data output are compliant to lvds specifcation tia/eia-644-a receiver timing characteristics parameter symbol min. typ. max. unit power on delay t on ? ? 10 ms power of delay t off ? ? 1 ms ref: eia/tia standard fotp-127/61.1 and 61.3, 1991.
for product information and a complete list of distributors, please go to our web site: www.avagotech.com avago, avago technologies, and the a logo are trademarks of avago technologies in the united states and other countries. data subject to change. copyright ? 2005-2013 avago technologies. all rights reserved. av02-2343en - february 19, 2013 pin description afbr-1150l (transmitter) pin pin-name description 1 /rst reset, low active; lvcmos input 2 rext analog input for external reference resistor (10k 1%) to gnd 3 din- negative tx data input, lvds 4 din+ positive tx data input, lvds 5 gnd power supply ground 6 vcc positive power supply, +3.3 v 7 -3db 3db reduced optical output power (must be high for > 4 ms) pin description AFBR-2150L (receiver) pin pin-name description 1 status optical signal detect indication optical signal detected: logic low (0 v) no optical signal detected: logic high (3 v) 2 vcc positive power supply, +3.3 v (must be connected) 3 gnd power supply ground 4 do- negative rx data output, lvds 5 do+ positive rx data output, lvds 6 rext analog input for external reference resistor (47k 1%) to gnd 7 vcc positive power supply, +3.3v (must be connected) package dimensions for more information see package outline drawing optical axes optical axes pitch 1.27 mm pitch 1.27 mm 1 1 2 2 3 3 4 4 5 5 6 6 7 7 1.07 1.07 2.94 4.97 5.1 18.0 2.72 1.57 5.9 0.25 0.5 (14) 8.93 7.2
|
