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AFBR-5803AQZ
Avago Technologies
AFBR-5803AQZ Datasheet PDF : 16 Pages
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Receiver Optical and Electrical Characteristics
(AFBR-5803AQZ/AFBR-5803ATQZ: TA = -40°C to +85°C, VCC = 3.135 V to 3.5 V or 4.75 V to 5.25 V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Input Optical Power Minimum at Window Edge PIN Min. (W)
-33.9
-31
dBm avg.
Input Optical Power Minimum at Eye Center
PIN Min. (C)
-35.2
-31.8
dBm avg.
Input Optical Power Maximum
Operating Wavelength
Duty Cycle Distortion Contributed
by the Receiver
Data Dependent Jitter Contributed
by the Receiver
Random Jitter Contributed by the Receiver
Signal Detect - Asserted
PIN Max.
l
DCD
DDJ
RJ
PA
-14
1270
PD + 1.5 dB
1380
0.4
1.0
2.14
-33
dBm avg.
nm
ns p-p
ns p-p
ns p-p
dBm avg.
Signal Detect - Deasserted
PD
-45
dBm avg.
Signal Detect - Hysteresis
Signal Detect Assert Time (off to on)
PA - PD
1.5
AS_Max
0
2
dB
100
µs
Signal Detect Deassert Time (on to off )
ANS_Max 0
8
350
µs
Reference
Note 19
Figure 11
Note 20
Figure 11
Note 19
Note 8
Note 9
Note 10
Note 21, 22
Figure 12
Note 23, 24
Figure 12
Figure 12
Note 21, 22
Figure 12
Note 23, 24
Figure 12
Notes:
1. This is the maximum voltage that can be applied across the Differential Transmitter Data Inputs to prevent damage to the input ESD protec-
tion circuit.
2. The outputs are terminated with 50 W connected to VCC -2 V.
3. The power supply current needed to operate the transmitter is provided to differential ECL circuitry. This circuitry maintains a nearly constant
current flow from the power supply. Constant current operation helps to prevent unwanted electrical noise from being generated and con-
ducted or emitted to neighboring circuitry.
4. This value is measured with the outputs terminated into 50 W connected to VCC - 2 V and an Input Optical Power level of
-14 dBm average.
5. The power dissipation value is the power dissipated in the receiver itself. Power dissipation is calculated as the sum of the products of supply
voltage and currents, minus the sum of the products of the output voltages and currents.
6. This value is measured with respect to VCC with the output terminated into 50 W connected to VCC - 2 V.
7. The output rise and fall times are measured between 20% and 80% levels with the output connected to VCC -2 V through 50 W.
8. Duty Cycle Distortion contributed by the receiver is measured at the 50% threshold using an IDLE Line State, 125 MBd
(62.5 MHz square-wave), input signal. The input optical power level is -20 dBm average. See Application Information - Transceiver Jitter Sec-
tion for further information.
9. Data Dependent Jitter contributed by the receiver is specified with the FDDI DDJ test pattern described in the FDDI PMD Annex A.5. The
input optical power level is -20 dBm average. See Application Information - Transceiver Jitter Section for further information.
10. Random Jitter contributed by the receiver is specified with an IDLE Line State,
125 MBd (62.5 MHz square-wave), input signal. The input optical power level is at maximum “PIN Min. (W)”. See Application Information - Trans-
ceiver Jitter Section for further information.
11. These optical power values are measured with the following conditions:
• The Beginning of Life (BOL) to the End of Life (EOL) optical power degradation is typically 1.5 dB per the industry convention for long
wavelength LEDs. The actual degradation observed in Avago Technologies’ 1300 nm LED products is
< 1 dB, as specified in this data sheet.
• Over the specified operating voltage and temperature ranges.
• With HALT Line State, (12.5 MHz square-wave), input signal.
• At the end of one meter of noted optical fiber with cladding modes removed.
The average power value can be converted to a peak power value by adding 3 dB. Higher output optical power transmitters are available on
special request.
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