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AFBR-53D3EZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
7
AFBR-53D3 Family, 850 nm VCSEL
Transmitter Electrical Characteristics
(TA = 0°C to +70°C, VCC = 4.75 V to 5.25 V)
Parameter Symbol Min. Typ. Max. Unit Reference
Output Optical Power
50/125 m, NA = 0.20 Fiber
P
OUT
-10 -4 dBm avg.
Output Optical Power
62.5/125 m, NA = 0.275 Fiber
P
OUT
-10 -4 dBm avg.
Optical Extinction Ratio 9 dB 1
Center Wavelength
C
830 850 860 nm
Spectral Width - rms
0.85 nm rms
Optical Rise / Fall Time t
r
/t
f
0.45 ns 2, 3 Fig. 1
RIN
12
-116 dB/Hz
Deterministic Transmitter Jitter 188 ps
Receiver Electrical Characteristics
(TA = 0°C to +70°C, VCC = 4.75 V to 5.25 V)
Parameter Symbol Min. Typ. Max. Unit Reference
Supply Current I
CCR
105 130 mA 2
Power Dissipation P
DISR
0.53 0.68 W 2
Data Output Voltage - Low V
OL
- V
CC
-1.950 -1.620 V 3
Data Output Voltage - High V
OH
- V
CC
-1.045 -0.740 V 3
Data Output Rise Time t
r
0.40 ns 4
Data Output Fall Time t
f
0.40 ns 4
Signal Detect Output Voltage - Low V
OL
- V
CC
-1.950 -1.620 V 3
Signal Detect Output Voltage - High V
OH
- V
CC
-1.045 -0.740 V 3
Notes:
1. The Laser Reset Voltage is the voltage level below which the VCCT voltage must be lowered to cause the laser driver circuit to reset from an
electrical/optical shutdown condition to a proper electrical/optical operating condition. The maximum value corresponds to the worst-case
highest VCC voltage necessary to cause a reset condition to occur. The laser safety shutdown circuit will operate properly with transmitter VCC
levels of 3.5 V dc < VCC < 7.0 V dc.
2. Receiver Supply Current and Power Dissipation do not include current and power in external 270 ohm terminating resistors.
3. These outputs are compatible with 10 K, 10 KH, and 100 K ECL and PECL inputs.
4. These are 20-80% values.
8
1.3
1.0
0.8
0.5
0.2
0
-0.2
NORMALIZED AMPLITUDE
NORMALIZED TIME
0
0.15
0.375 0.625 0.85 1.0
Figure 1. Transmitter Optical Eye Diagram Mask
Receiver Optical 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 P
IN
-16 0 dBm avg. 4
Operating Center Wavelength
C
770 860 nm
Return Loss 12 dB 5
Signal Detect - Asserted P
A
-18 dBm avg.
Signal Detect - Deasserted P
D
-30 dBm avg.
Signal Detect - Hysteresis P
A
- P
D
1.5 dB
Notes:
1. Optical Extinction Ratio is de ned as the ratio of the average output optical power of the transmitter in the high (“1”) state to the low (“0”) state.
This Optical Extinction Ratio is expressed in decibels (dB) by the relationship 10log(Phigh avg/Plow avg).
2. These are 20-80% values and include the e ect of a fourth order  lter.
3. Laser transmitter pulse response characteristics are speci ed by an eye diagram (Figure 1). The characteristics include rise time, fall time, pulse
overshoot, pulse undershoot, and ringing, all of which are controlled to prevent excessive degradation of the receiver sensitivity.
4. The receive sensitivity is measured using a worst case extinction ratio penalty while sampling at the center of the eye.
5. Return loss is de ned as the minimum attenuation (dB) of received optical power for energy re ected back into the optical  ber.
AFBR-53D3 Family, 850 nm VCSEL
Transmitter Optical Characteristics
(TA = 0°C to +70°C, VCC = 4.75 V to 5.25 V)
Parameter Symbol Min. Typ. Max. Unit Reference
Output Optical Power
50/125 m, NA = 0.20 Fiber
P
OUT
-10 -4 dBm avg.
Output Optical Power
62.5/125 m, NA = 0.275 Fiber
P
OUT
-10 -4 dBm avg.
Optical Extinction Ratio 9 dB 1
Center Wavelength
C
830 850 860
nm
Spectral Width - rms
0.85 nm rms
Optical Rise / Fall Time t
r
/t
f
0.45 ns 2, 3 Fig. 1
RIN
12
-116 dB/Hz
Deterministic Transmitter Jitter 188 ps
9
Figure 2. Pin-Out
Table 1. Pinout Table
Pin Symbol Functional Description
Mounting Pins The mounting pins are provided for transceiver mechanical attachment to the circuit board. They are
embedded in the nonconductive plastic housing and are not connected to the transceiver internal
circuit, nor is there a guaranteed connection to the metallized housing in the EZ and FZ versions. They
should be soldered into plated-through holes on the printed circuit board.
1V
EER
Receiver Signal Ground
Directly connect this pin to receiver signal ground plane. (For AFBR-53D3, V
EER
= V
EET
)
2 RD+ Receiver Data Out
RD+ is an open-emitter output circuit. Terminate this high-speed di erential PECL output with standard
PECL techniques at the follow-on device input pin.
3 RD- Receiver Data Out Bar
RD- is an open-emitter output circuit. Terminate this high-speed di erential PECL output with standard
PECL techniques at the follow-on device input pin.
4 SD Signal Detect
Normal optical input levels to the receiver result in a logic “1” output, V
OH
, asserted. Low input optical
levels to the receiver result in a fault condition indicated by a logic “0” output V
OH
, deasserted.
Signal Detect is a single-ended PECL output. SD can be terminated with standard PECL techniques
via 50 to V
CCR
- 2V. Alternatively, SD can be loaded with a 270 resistor to V
EER
to conserve
electrical power with small compromise to signal quality. If Signal Detect output is not used,
leave it open-circuited.
This Signal Detect output can be used to drive a PECL input on an upstream circuit, such as,
Signal Detect input pr Loss of Signal-bar.
5V
CCR
Receiver Power Supply
Provide +5 Vdc via the recommended receiver power supply  lter circuit.
Locate the power supply  lter circuit as close as possible to the V
CCR
pin.
6V
CCT
Transmitter Power Supply
Provide +5 Vdc via the recommended transmitter power supply  lter circuit.
Locate the power supply  lter circuit as close as possible to the V
CCT
pin.
7 TD- Transmitter Data In-Bar
Terminate this high-speed di erential PECL input with standard PECL techniques at the transmitter
input pin.
8 TD+ Transmitter Data In
Terminate this high-speed di erential PECL input with standard PECL techniques at the transmitter
input pin.
9V
EET
Transmitter Signal Ground
Directly connect this pin to the transmitter signal ground plane.
1 = V
EER
2 = RD+
3 = RD–
4 = SD
5 = V
CCR
6 = V
CCT
7 = TD–
8 = TD+
9 = V
EET
TOP VIEW
NIC
NIC
RX
TX
NIC = NO INTERNAL CONNECTION (MOUNTING PINS)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

AFBR-53D3EZ

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Fiber Optic Transmitters, Receivers, Transceivers MM 1x9 5V FC TXCVR Extended Shield
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