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AFBR-2624Z Datasheet(PDF) 7 Page - AVAGO TECHNOLOGIES LIMITED |
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AFBR-2624Z Datasheet(HTML) 7 Page - AVAGO TECHNOLOGIES LIMITED |
7 / 7 page 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 © 2005-2012 Avago Technologies. All rights reserved. AV02-3407EN - May 7, 2012 AFBR-2624Z/2529Z Receiver The AFBR-2624Z/2529Z receiver consists of a digitalizing IC with integrated photodiode to produce an output level that is compatible with TTL logic. The integrated photodiode and the following amplifier uses a fully differential approach with an active and a passive area for an improved EMI performance. Within the specified ranges AFBR-2529Z and AFBR- 2624Z devices will support a BER <10E-9. Receiver Electrical Characteristics (TA = -40° C to +85° C, VCCT = 3.3 V ± 5% or 5 V ± 5%) Parameter Symbol Min Typical Max Unit Notes Supply Current ICCR 20 30 mA Data Output Voltage – Low VOL -0.3 0.4 V 1 Data Output Voltage – High VOH 2.5 VCCR+0.3 V 1 Rise Time (10%–90%) tRR 5 ns 2, 3 Fall Time (10%–90%) tFR 5 ns 2, 3 Pulse Width Distortion PWD -4 +4 ns 6, 7, 8 Pulse Width Distortion 1st to 3rd pulse PWDinit -5 +8 ns 8, 9 Propagation Delay tRD 30 ns Receiver Optical Characteristics (TA = -40° C to +85° C, VCCT = 3.3 V ± 5% or 5 V ± 5%) Parameter Symbol Min Typical Max Unit Notes Input Optical Power (Peak) PIN -22 +1 dBm Input Optical Power Off-State PIN_Off -40 dBm 10 Optical Spectrum Range 630 685 nm Notes: 1. Standard TTL output. 2. Measured with RL = 50 k and CL = 15 pF 3. Optical Power generated by a standard Avago Technologies Transmitter, with ideal alignment to the photodiode using a 1 mm POF (NA = 0.5). 6. Optical input of 50 MBaud PRBS-7 pattern and 50% duty cycle. 7. Pulse width is measured at 50% threshold using a rising edge trigger and PRBS-7 pattern. 8. If data rate is below 1Mbaud the pulse width distortion would be equal to the pulse width distortion of the 1st to 3rd pulses for higher datarates. 9. The threshold of the 1st pulse of a data sequence is difficult to adjust and therefore the pulse width distortion up to the 3rd pulse is higher than for all other pulses (worst case for the 1st pulse). This strongly depends on the quality of the rising and falling edge of the optical input. The faster the edges the smaller the pulse width variation. Furthermore lower data rates would result in the same issue as all the pulse become 1st pulses. 10. Output low for AFBR-2624Z and Output high for AFBR-2529Z. |
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