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1.25Gbps Single-Mode BIDI 1X9 Transceiver SPT-NB351G-S20

1550nm 1G fiber optic transceiver

Features:

  • 3.3V DC power supply
  • 1.25Gbps, 20km· TX:1310nmFP LD/RX: 1550nm PIN-TIA
  • TX:1550nmDFB LD/RX: 1310nm PIN-TIA
  • LVPECL Signal Detection Output
  • Standard SC connector
  • Standard industrial 1X9 Package
  • ROHS compliant
  • Compliant with class one laser product EN0825-1

Application:

  • Gigabit Ethernet
  • Fiber Channel

Ordering Information

 

Part Number

Bit
Rate

(Mbps)

Distance

(km)

Wave-
length

(nm)

Voltage

Package

TX

Power

(dBm)

RX

Sensitivity

(dBm)

Signal
detect

SPT-NB351G
-S20

1250 20 1550/1310 3.3V SC

-9 ~ -3

-21

LVPECL

SPT-NB531G
-S20

1250 20 1310/1550 3.3V SC

-9 ~ -3

-21

LVPECL

SPT-NB351G
-F20

1250 20 1550/1310 3.3V FC

-9 ~ -3

-21

LVPECL

SPT-NB531G
-F20

1250 20 1310/1550 3.3V FC

-9 ~ -3

-21

LVPECL

Description

1550T/1310R and 1310T/1550R BiDi 1X9 pair is high performance, cost effective transceiver. It is designed to perform point to point FTTX applications at data rate up to 1250Mbps for 10km distance transmission. The specifications data is listed as following table.

 

Absolute Maximum Ratings

 

Parameter

 

Symbol

 

Min.

 

Max.

 

Units

 

Note

 

Storage Temperature

 

Ts

 

-40

 

85

 

 

Power Supply Voltage

 

Vcc

 

0

 

4

 

V

 

 

Soldering Temperature

 

 

 

260

 

10 seconds on leads only

 

Input Voltage

 

Vin

 

GND

 

Vcc

 

V

 

 

Output Current

 

Iout

 

0

 

30

 

mA

 

 

 

Recommended Operating Conditions

 

Parameter

 

Symbol

 

Min.

 

Typ.

 

Max.

 

Units

 

Power Supply Voltage

 

Vcc

 

3.14

 

3.3

 

3.47

 

V

 

Operating Temperature

 

Top

 

0

 

 

70

 

Data Rate

 

 

 

1250

 

 

Mbps

 

Power Supply Current

 

Icc

 

 

 

250

 

mA

 

Transmitter Specifications (0oC < Top < 70oC, 3.14V < Vcc < 3.47V)

Parameter

Symbol

Min.

Typ.

Max.

Units

Optical

 

OpticalTransmit

Power

 

Po(1310TX/1550RX)

 

-9

 

 

-3

 

dBm

 

Po(1550TX/1310RX)

 

-9

 

 

-3

 

OpticalCenter

Wavelength

 

λC(1550TX/1310RX)

1500

1550

1600

 

nm

 

λC(1310TX/1550RX)

1260

1310

1360

 

OutputSpectrum

Width

 

∆λ(1550TX/1310RX)

 

 

 

1

 

nm(RMS)

 

∆λ(1310TX/1550RX)

 

 

 

4

 

nm(RMS)

 

Extinction Ratio

ER

10

-

-

dB

 

Output Eye

 

Compliance with ITU-T G.957

 

Optical Rise Time

 

tr

 

 

 

2

 

ns

 

Optical Fall Time

 

tf

 

 

 

2

 

ns

 

RelativeIntensity

Noise

 

RIN

 

 

 

-116

 

dB/Hz

Electrical

Data Input Current – Low

  -350    

mA

Data Input Current – High

      350

mA

DifferentialInput

Voltage

VIH -VIL

300   2400

mA

 

Receiver Specifications (0oC < Top < 70oC, 3.14 V < Vcc < 3.47V)

Parameter

Symbol

Min.

Typ.

Max.

Units

Optical

Sensitivity

 

Sen

 

 

 

-21

 

dBm

MaximumInput

Power(Saturation)

 

PMAX

 

-3

 

 

 

dBm

 

Signal Detect -- Asserted

 

Pa

 

 

 

-21

 

dBm

 

Signal Detect -- Deasserted

 

Pd

 

-35

 

 

 

dBm

 

Signal Detect -- Hysteresis

 

Phys

 

1

 

 

5

 

dB

 

Wavelength of Operation

 

λ(1310TX/1550RX)

 

1500

 

1550

 

1600

 

nm

 

λ(1550TX/1310RX)

 

1260

 

1310

 

1360

 

Electrical

 

Data Output Voltage – Low

VIL –VCC

-1830

 

-1555

mV

Data Output Voltage – High

VIH –VCC

-1085

 

-880

mV

Signal Detect Output Voltage

 

-- Low

 

VSIL –VCC

 

-2.0

 

-

 

-1.58

 

mV

Signal Detect Output Voltage

 

-- High

 

VSIL –VCC

 

-1.1

 

-

 

-0.74

 

mV

 

PIN ASSIGNMENT

 

  1. Receiver Signal Ground
  2. Receiver Data Out O N .C.
  3. Receiver Data Out Bar
  4. Signal Detect
  5. Receiver Power Supply Top View
  6. Transmitter Power Supply
  7. Transmitter Data In Bar
  8. Transmitter Data In O N.C.
  9. Transmitter Signal Ground

 

Recommended Application Circuits

 

 

PACKAGE DIAGRAM (Units in mm) SC Type

 

 

E-mail: info@sopto.com

Web : http://www.sopto.com

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