1.25Gbps Multi-Mode 1310nm 2km duplex DDM SFP Transceiver CT-L1312-M2DC Converter Customized Manufacturing
Standard
◉ Compliant with SFP MSA (INF-8074i)
◉ Compliant with SFF-8472
◉ Compliant with IEEE 802.3z
Technical Indicators
|
Absolute Maximum Ratings |
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Parameter |
Symbol |
Min |
Max |
Unit |
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Storage temperature |
TS |
-40 |
85 |
°C |
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Power Supply Voltage |
Vcc |
0 |
3.6 |
V |
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Relative Humidity |
RH |
5 |
95 |
% |
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Recommended Operating Conditions |
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Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
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Operating Case Temperature |
TC |
-5 |
|
70 |
°C |
CT-L1312-M2DC |
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Power Supply Voltage |
Vcc |
3.13 |
3.3 |
3.47 |
V |
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Data Rate |
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|
1.25 |
|
Gbps |
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Fiber Length 62.5/125μm core MMF (550MHz.km) |
|
|
|
550 |
m |
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Fiber Length 50/125μm core MMF (800MHz.km) |
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|
2 |
km |
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Electrical Characteristics |
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Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
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Total Supply Current |
Icc |
|
|
300 |
mA |
|
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Transmitter |
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Transmitter Differential Input Voltage |
|
400 |
|
2400 |
mV |
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Tx_Fault Output Voltage - High |
VOH |
2.4 |
|
Vcc |
V |
LVTTL |
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Tx_Fault Output Voltage - Low |
VOL |
0 |
|
0.4 |
V |
LVTTL |
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Tx_Disable Input Voltage - High |
VIH |
2 |
|
Vcc |
V |
LVTTL |
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Tx_Disable Input Voltage - Low |
VIL |
0 |
|
0.8 |
V |
LVTTL |
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Electrical Characteristics |
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Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
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Input Differential Impedance |
|
90 |
100 |
110 |
Ω |
|
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Receiver |
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Receiver Differential Output Voltage |
|
600 |
|
1600 |
mV |
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LOS Output Voltage - High |
VOH |
2.4 |
|
Vcc |
V |
LVTTL |
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LOS Output Voltage - Low |
VOL |
0 |
|
0.4 |
V |
LVTTL |
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Output Differential Impedance |
|
90 |
100 |
110 |
Ω |
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Optical Transmitter Characteristics |
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Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
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Average Output Power |
POUT |
-9.5 |
|
-3 |
dBm |
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Center Wavelength |
λC |
1260 |
1310 |
1360 |
nm |
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Spectral Width |
Δλ |
|
|
3.5 |
nm |
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Extinction Ratio |
ER |
9 |
|
|
dB |
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Transmitter OFF Power |
POFF |
|
|
-45 |
dBm |
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Jitter P-P |
TJ |
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|
0.1 |
UI |
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Output Eye Diagram |
Complies with IEEE 802.3z |
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Optical Receiver Characteristics |
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Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
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Center Wavelength |
λC |
1260 |
|
1610 |
nm |
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Receiver Sensitivity |
PSEN |
|
|
-20 |
dBm |
1 |
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Input Saturation Power (Overload) |
PSAT |
-3 |
|
|
dBm |
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LOS De-assert Level |
LOSD |
|
|
-21 |
dBm |
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LOS Assert Level |
LOSA |
-39 |
|
|
dBm |
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LOS hysteresis |
HYS |
0.5 |
|
6 |
dB |
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Pin Definition
|
Pin No |
Symbol | Name/Description | Power
Seq. |
Notes |
|
1 |
VeeT | Transmitter Ground | 1st |
|
|
2 |
TX_Fault | Transmitter Fault Indication, Logic 1 indicates Transmitter
Fault. |
3rd |
1 |
|
3 |
TX_Disable | Transmitter Disable, Transmitter disables on high or open. | 3rd |
2 |
|
4 |
MOD-DEF(2) | Module Definition 2. Data line for two wire Serial ID. | 3rd |
3 |
|
5 |
MOD-DEF(1) | Module Definition 1. Clock line for two wire Serial ID. | 3rd |
3 |
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6 |
MOD-DEF(0) | Module Definition 0. Grounded within the module. | 3rd |
3 |
|
7 |
Rate Select | Not Connected | 3rd |
|
|
8 |
LOS | Loss of Signal indication. Logic 1 indicates Loss of Signal. | 3rd |
4 |
|
9 |
VeeR | Receiver Ground | 1st |
|
|
10 |
VeeR | Receiver Ground | 1st |
|
|
11 |
VeeR | Receiver Ground | 1st | |
|
12 |
RD- | Inverse Received Data Out, AC coupled | 3rd | |
|
13 |
RD+ | Received Data Out, AC coupled | 3rd | |
|
14 |
VeeR | Receiver Ground | 1st | |
|
15 |
VccR | Receiver Power | 2nd | |
|
16 |
VccT | Transmitter Power | 2nd | |
|
17 |
VeeT | Transmitter Ground |
1st |
|
|
18 |
TD+ | Transmit Data In, AC coupled | 3rd | |
|
19 |
TD- | Inverse Transmit Data In, AC coupled | 3rd | |
|
20 |
VeeT | Transmitter Ground | 1st |
Product Picture
