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参数资料
| 型号： | AFBR-5205TZ |
| 元件分类： | 光收发 |
| 英文描述： | FIBER OPTIC TRANSCEIVER, 1270-1380nm, 155Mbps(Tx), 155Mbps(Rx), PANEL MOUNT, SIP, ST CONNECTOR |
| 封装： | ROHS COMPLIANT, SIP-9 |
| 文件页数： | 11/21页 |
| 文件大小： | 461K |
| 代理商： | AFBR-5205TZ |
19
AFBR-5205Z/-5205AZ/-5205ATZ/-5205PZ/-5205TZ/-5205PEZ
Receiver Optical and Electrical Characteristics
(TA = 0°C to 70°C, VCC = 4.75 V to 5.25 V)*
Parameter
Symbol
Min.
Typ.
Max.
Unit
Reference
Input Optical Power
PIN Min. (W)
-30
dBm avg.
Note 15
Minimum at Window Edge
Figure 10
Input Optical Power
PIN Min. (C)
-31
dBm avg.
Note 16
Minimum at Eye Center
Figure 10
Input Optical Power Maximum
PIN Max.
-14
dBm avg.
Note 15
Operating Wavelength
λ
1270
1380
nm
Systematic Jitter Contributed
SJ
0.2
1.2
ns p-p
Note 17
by the Receiver
Random Jitter Contributed
RJ
1
1.91
ns p-p
Note 18
by the Receiver
Signal Detect - Asserted
PA
PD + 1.5 dB
-31
dBm avg.
Note 19
Signal Detect - Deasserted
PD
-45
dBm avg.
Note 20
Signal Detect - Hysteresis
PA - PD
1.5
dB
Signal Detect Assert Time
0
55
100
s
Note 21
(off to on)
Signal Detect Assert Time
Max
0
55
130
s
Note 21
(off to on) for -40
°C to 0°C
Signal Detect Deassert Time
0
110
350
s
Note 22
(on to off)
Notes:
1. This is the maximum voltage that can be
applied across the Differential Transmitter
Data Inputs to prevent damage to the input
ESD protection circuit.
2. The outputs are terminated with 50
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
conducted or emitted to neighboring
circuitry.
4. This value is measured with the outputs
terminated into 50
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
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
.
8. 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’s 1300 nm LED products is
<1 dB, as specified in this datasheet.
Over the specified operating voltage and
temperature ranges.
With 25 MBd (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.
9. The Extinction Ratio is a measure of the
modulation depth of the optical signal. The
data “1” peak output optical power is
compared to the data “0” output optical
power and expressed in decibels. With the
transmitter driven by a 25 MBd (12.5 MHz
square-wave) input signal, the average
optical power is measured. The data “1”
peak power is then calculated by adding
3dB to the measured average optical
power. The data “0” output optical power
is found by measuring the optical power
when the transmitter is driven by a logic
“0” input. The extinction ratio is the ratio
of the optical power at the “1” level
compared to the optical power at the “0”
level expressed in decibels.
*Applies to 5205Z Series except for AFBR-5205AZ. TA for AFBR-5205AZ is -40°C to 85°C.
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