BDTRP695S1SD-40 2.5G SFP BIDI 1490nm 1550 40Km

Product Descriptions

Baudcom’ BDTRP695S1SD-40, The SFP-BIDI transceivers are high performance, cost effective modules supporting dual data-rate of 2.5Gbps/2.125Gbps and 40km transmission distance with SMF. The transceiver consists of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.

Product Features

•   Supports 2.5Gbps/2.125Gbps bit rates
•   Bi-Directional LC connector
•   Hot pluggable SFP footprint
•   1490nm DFB laser and 1550nm PIN photo detector
•   1550nm DFB laser and 1490nm PIN photo detector
•   Applicable for 40Km SMF connection
•   Low power consumption< 0.8W
•   Digital Diagnostic Monitor Interface    
•   Compliant with SFP MSA and SFF-8472
•   Very low EMI and excellent ESD protection    
•   Operating case temperature:

    Commerical: 0 to 70 °C

    Industrial: -40 to 85 °C

Applications

•   SDH STM-16 and SONET OC-48 system
•   Fiber Channel
•   Switch to Switch interface
•   Switched backplane applications 
•   Router/Server interface
•   Other Optical Links

Functional Diagram

Absolute Maximum Ratings

Parameter	Symbol	Min.	Max.	Unit	Note
Supply Voltage	Vcc	-0.5	4.0	V
Storage Temperature	TS	-40	85	°C
Relative Humidity	RH	0	85	%

Note: Stress in excess of the maximum absolute ratings can cause permanent damage to the transceiver

General Operating Characteristics

Parameter	Symbol	Min.	Typ	Max.	Unit	Note
Data Rate	DR	2.125	2.5		Gb/s
Supply Voltage	Vcc	3.13	3.3	3.47	V
Supply Current	Icc5			220	mA
Operating Case Temp.	Tc	0		70	°C
	TI	-40		85

Electrical Characteristics (TOP(C) = 0 to 70 ℃, TOP(I) =-40 to 85 ℃,VCC = 3.13 to 3.47 V)

Parameter	Symbol	Min.	Typ	Max.	Unit	Note
Transmitter
Differential data input swing	VIN,PP	120		820	mVpp	1
Tx Disable Input-High	VIH	2.0		Vcc+0.3	V
Tx Disable Input-Low	VIL	0		0.8	V
Tx Fault Output-High	VOH	2.0		Vcc+0.3	V	2
Tx Fault Output-Low	VOL	0		0.8	V	2
Input differential impedance	Rin		100		Ω
Receiver
Differential data output swing	Vout,pp	340	650	800	mVpp	3
Rx LOS Output-High	VROH	2.0		Vcc+0.3	V	2
Rx LOS Output-Low	VROL	0		0.8	V	2

.Notes:

1. TD+/- are internally AC coupled with 100Ω differential termination inside the module.
2. Tx Fault and Rx LOS are open collector outputs, which should be pulled up with 4.7k to 10kΩ resistors on the host board. Pull up voltage between 2.0V and Vcc+0.3V.

       3.RD+/- outputs are internally AC coupled, and should be terminated with 100Ω              (differential) at the user SERDES.

Optical Characteristics (TOP(C)= 0 to 70 ℃, TOP(I) =-40 to 85 ℃,VCC = 3.13 to 3.47 V)

Parameter	Symbol	Min.	Typ	Max.	Unit	Note
Transmitter
Operating Wavelength	λ	1470	1490	1510	nm
		1530	1550	1570
Ave. output power (Enabled)	PAVE	-2		+3	dBm	1
Extinction Ratio	ER	9			dB	1
Side-Mode Suppression Ratio	SMSR	30			dB
RMS spectral width	Δλ			1	nm
Rise/Fall time (20%~80%)	Tr/Tf			0.26	ns	2
Dispersion penalty	TDP			3.9	dB
Output Optical Eye	Compliant with  IEEE802.3 z (class 1 aser safety)
Receiver
Operating Wavelength	λ	1530	1550	1570	nm
		1470	1490	1510
Receiver Sensitivity	PSEN1			-20	dBm	3
Overload	PAVE	-3			dBm	3
LOS Assert	Pa	-35			dBm
LOS De-assert	Pd			-21	dBm
LOS Hysteresis	Pd-Pa	0.5			dB

Notes:

1.Measured at 2.5Gb/s with PRBS 2 2^{23 – 1}NRZ test pattern.

2.Unfiltered, measured with a PRBS2^{23 – 1} test pattern @2.5Gb/s

3.Measured at 2.5Gb/s with PRBS 2^{23 – 1} NRZ test pattern for BER < 1x10^-12

Pin Defintion And Functions

Pin	Symbol	Name/Description	Notes
1	VeeT	Tx ground
2	Tx Fault	Tx fault indication, Open Collector Output, active “H”	1
3	Tx Disable	LVTTL Input, internal pull-up, Tx disabled on “H”	2
4	MOD-DEF2	2 wire serial interface data input/output (SDA)	3
5	MOD-DEF1	2 wire serial interface clock input (SCL)	3
6	MOD-DEF0	Model present indication	3
7	Rate select	No connection
8	LOS	Rx loss of signal, Open Collector Output, active “H”	4
9	VeeR	Rx ground
10	VeeR	Rx ground
11	VeeR	Rx ground
12	RD-	Inverse received data out	5
13	RD+	Received data out	5
14	VeeR	Rx ground
15	VccR	Rx power supply
16	VccT	Tx power supply
17	VeeT	Tx ground
18	TD+	Transmit data in	6
19	TD-	Inverse transmit data in	6
20	VeeT	Tx ground

Notes:

1.When high, this output indicates a laser fault of some kind. Low indicates normal operation. And should be pulled up with a 4.7 – 10KΩ resistor on the host board.

2.TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module with a 4.7 – 10KΩ resistor. Its states are:

  Low (0 – 0.8V): Transmitter on               (>0.8, < 2.0V): Undefined

  High (2.0V~Vcc+0.3V): Transmitter Disabled   Open: Transmitter Disabled

3.Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7K – 10KΩ resistor on the host board. The pull-up voltage shall be between 2.0V~Vcc+0.3V. Mod-Def 0 has been grounded by the module to indicate that the module is present.Mod-Def 1 is the clock line of two wire serial interface for serial ID.Mod-Def 2 is the data line of two wire serial interface for serial ID

4.When high, this output indicates loss of signal (LOS). Low indicates normal operation.

5.RD+/-: These are the differential receiver outputs. They are AC coupled 100Ω differential lines which should be terminated with 100Ω (differential) at the user SERDES. The AC coupling is done inside the module and is thus not required on the host board.

6.TD+/-: These are the differential transmitter inputs. They are AC-coupled, differential lines with 100Ω differential termination inside the module. The AC coupling is done inside the module and is thus not required on the host board.

Digital Diagnostic Specifications

TheBDTRP695S1SD-40 transceivers can be used in host systems that require either internally or externally calibrated digital diagnostics.

Parameter	Symbol	Units	Min.	Max.	Accuracy	Note
Transceiver temperature	DTemp-E	oC	-45	+90	±5oC	1
Transceiver supply voltage	DVoltage	V	2.8	4.0	±3%
Transmitter bias current	DBias	mA	2	80	±10%	2
Transmitter output power	DTx-Power	dBm	-5	+6	±3dB
Receiver average input power	DRx-Power	dBm	-24	0	±3dB

Notes:

1.When Operating temp.=0~70 oC,the range will be min=-5,Max=+75

2. The accuracy of the Tx bias current is 10% of the actual current from the laser driver to the laser
3. Internal/ External Calibration compatible.

 

Typical Interface Circuit

Package Dimensions

Wavelength	Latch Color
TX 1490nm	Violet
TX 1550nm	Yellow

Ordering Information

 

Product Model	Descriptions
BDTRP695S1SD-40	SFP BIDI,2.5G ,1490/1550nm ,40Km, 0~70℃, with Digital Diagnostic Monitor
BDTRP659S1SD-40	SFP BIDI,2.5G ,1550/1490nm ,40Km, 0~70℃, with Digital Diagnostic Monitor
BDTRP695S2SD-40	SFP BIDI,2.5G ,1490/1550nm ,40Km, -40~85℃, with Digital Diagnostic Monitor
BDTRP659S2SD-40	SFP BIDI,2.5G ,1550/1490nm ,40Km, -40~85℃, with Digital Diagnostic Monitor