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155M~2.67Gbps ESFP Optical Transceiver

Name: 155M~2.67Gbps ESFP Optical Transceiver
Brand: BAUDCOM
SKU: BD-XX48-08CD
Availability: InStock

BAUDCOM

Wavelength: 1470nm

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Features

¨ Data-rate of 2.67Gbps operation

¨ 8 CWDM DFB wavelengths laser and APD photodetector for 120km transmission

¨ Compliant with SFP MSA and SFF-8472 with duplex LC receptacle

¨ Digital Diagnostic Monitoring:

Internal Calibration or External Calibration

¨ Compatible with RoHS

¨ +3.3V single power supply

¨ Operating case temperature:

Standard : 0 to +70°C

Applications

¨ SDH STM-16 and SONET OC-48 system

¨ 2X Fiber Channel

¨ Switch to Switch interface

¨ Switched backplane applications

¨ Router/Server interface

¨ Other optical transmission systems

Description

The SFP transceivers are high performance, cost effective modules supporting data-rate of 2.67Gbps and 120km transmission distance with SMF.

The transceiver consists of three sections: an uncooled CWDM DFB laser transmitter, an APD 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.

Module Block Diagram

Specification

Parameter		Symbol		Min	Typical	Max	Unit	Notes
Transmitter
Centre Wavelength			λc	1430	1550	1580	nm
Spectral Width (-20dB)			σ			1	nm
Side Mode Suppression Ratio			SMSR	30			dB
Average Output Power			Pout	-2		+3	dBm	1
Extinction Ratio			ER	8.2			dB
Optical Rise/Fall Time (20%~80%)			tr/tf			0.16	ns
Data Input Swing Differential			V_IN	400		1800	mV	2
Input Differential Impedance			Z_IN	90	100	110	Ω
TX Disable	Disable			2.0		Vcc	V
TX Disable	Enable			0		0.8	V
TX Fault	Fault			2.0		Vcc	V
TX Fault	Normal			0		0.8	V
Receiver
Centre Wavelength			λc	1260		1580	nm
Receiver Sensitivity						-28	dBm	3
Receiver Overload				-9			dBm	3
LOS De-Assert			LOS_D			-30	dBm
LOS Assert			LOS_A	-40			dBm
LOS Hysteresis				1		4	dB
Data Output Swing Differential			Vout	370		1800	mV	4
LOS			High	2.0		Vcc	V
LOS			Low			0.8	V

Notes:

1. The optical power is launched into SMF.

2. PECL input, internally AC-coupled and terminated.

3. Measured with a PRBS 2²³-1 test pattern @2488Mbps, BER ≤1×10^-12.

4. Internally AC-coupled.

Absolute Maximum Ratings

Table 1 – Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage	Vcc	-0.5	4.5	V
Storage Temperature	Ts	-40	+85	°C
Operating Humidity	–	5	85	%

Recommended Operating Conditions

Table 2 – Recommended Operating Conditions

Parameter		Symbol	Min	Typical	Max	Unit
Operating Case Temperature	Standard	Tc	0		+70	°C
Power Supply Voltage		Vcc	3.13	3.3	3.47	V
Power Supply Current		Icc			300	mA
Data Rate				2.67		Gbps

BD-XX48-08CD

See table3 below for “xx” values

Table3 -λC Wavelength Guide

λC Wavelength Guide
Code	λC	Unit	Code	λC	Unit
47	1470	nm	57	1570	nm
49	1490	nm	59	1590	nm
51	1510	nm	61	1610	nm
53	1530	nm
55	1550	nm

Optical and Electrical Characteristics

BD-XX48-08CD: (CWDM and APD, 120km Reach)

Table 4 – Optical and Electrical Characteristics

Parameter		Symbol		Min	Typical	Max	Unit	Notes
Transmitter
Centre Wavelength			λc	λc-6.5	λc	λc+6.5	nm
Spectral Width (-20dB)			∆λ			1	nm
Side Mode Suppression Ratio			SMSR	30			dB
Average Output Power			Pout	0		5	dBm	1
Extinction Ratio			ER	9			dB
Optical Rise/Fall Time (20%~80%)			tr/tf			150	ps
Data Input Swing Differential			V_IN	400		1800	mV	2
Input Differential Impedance			Z_IN	90	100	110	Ω
TX Disable	Disable			2.0		Vcc	V
TX Disable	Enable			0		0.8	V
TX Fault	Fault			2.0		Vcc	V
TX Fault	Normal			0		0.8	V
Receiver
Receiver Sensitivity						-28	dBm	3
Receiver Overload				-9			dBm	3
LOS De-Assert			LOS_D			-30	dBm
LOS Assert			LOS_A	-40			dBm
LOS Hysteresis				1		4	dB
Data Output Swing Differential			Vout	370		1800	mV	4
LOS			High	2.0		Vcc	V
LOS			Low			0.8	V

Notes:

1. The optical power is launched into SMF.

2. PECL input, internally AC-coupled and terminated.

3. Measured with a PRBS 2²³-1 test pattern @2488Mbps, BER ≤1×10^-12.

4. Internally AC-coupled.

Timing and Electrical

Table 5 – Timing and Electrical

Parameter	Symbol	Min	Typical	Max	Unit
Tx Disable Negate Time	t_on			1	ms
Tx Disable Assert Time	t_off			10	µs
Time To Initialize, including Reset of Tx Fault	t_init			300	ms
Tx Fault Assert Time	t_fault			100	µs
Tx Disable To Reset	t_reset	10			µs
LOS Assert Time	t_loss_on			100	µs
LOS De-assert Time	t_loss_off			100	µs
Serial ID Clock Rate	f_serial_clock			400	KHz
MOD_DEF (0:2)-High	V_H	2		Vcc	V
MOD_DEF (0:2)-Low	V_L			0.8	V

Diagnostics

Table 5 – Diagnostics Specification

Parameter	Range	Unit	Accuracy	Calibration
Temperature	0 to +70	°C	±3°C	Internal / External
Voltage	3.0 to 3.6	V	±3%	Internal / External
Bias Current	0 to 100	mA	±10%	Internal / External
TX Power	0 to +5	dBm	±3dB	Internal / External
RX Power	-30 to -9	dBm	±3dB	Internal / External

Digital Diagnostic Memory Map

The transceivers provide serial ID memory contents and diagnostic information about the present operating conditions by the 2-wire serial interface (SCL, SDA).

The diagnostic information with internal calibration or external calibration all are implemented, including received power monitoring, transmitted power monitoring, bias current monitoring, supply voltage monitoring and temperature monitoring.

The digital diagnostic memory map specific data field defines as following.

Pin Definitions

Pin Diagram

Pin Descriptions

Pin	Signal Name	Description	Plug Seq.	Notes
1	V_EET	Transmitter Ground	1
2	TX FAULT	Transmitter Fault Indication	3	Note 1
3	TXDISABLE	Transmitter Disable	3	Note 2
4	MOD_DEF(2)	SDA Serial Data Signal	3	Note 3
5	MOD_DEF(1)	SCL Serial Clock Signal	3	Note 3
6	MOD_DEF(0)	TTL Low	3	Note 3
7	Rate Select	Not Connected	3
8	LOS	Loss of Signal	3	Note 4
9	V_EER	Receiver ground	1
10	V_EER	Receiver ground	1
11	V_EER	Receiver ground	1
12	RD-	Inv. Received Data Out	3	Note 5
13	RD+	Received Data Out	3	Note 5
14	V_EER	Receiver ground	1
15	V_CCR	Receiver Power Supply	2
16	V_CCT	Transmitter Power Supply	2
17	V_EET	Transmitter Ground	1
18	TD+	Transmit Data In	3	Note 6
19	TD-	Inv. Transmit Data In	3	Note 6
20	V_EET	Transmitter Ground	1

Notes:

Plug Seq.: Pin engagement sequence during hot plugging.

1) TX Fault is an open collector output, which should be pulled up with a 4.7k~10kΩ resistor on the host board to a voltage between 2.0V and Vcc+0.3V. Logic 0 indicates normal operation; Logic 1 indicates a laser fault of some kind. In the low state, the output will be pulled to less than 0.8V.

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 4.7k~10kΩ resistor. Its states are:

Low (0 to 0.8V): Transmitter on

(>0.8V, < 2.0V): Undefined

High (2.0 to 3.465V): 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 VccT or VccR.

Mod-Def 0 is 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) LOS is an open collector output, which should be pulled up with a 4.7k~10kΩ resistor. Pull up voltage between 2.0V and Vcc+0.3V. Logic 1 indicates loss of signal; Logic 0 indicates normal operation. In the low state, the output will be pulled to less than 0.8V.

5) RD-/+: These are the differential receiver outputs. They are internally AC-coupled 100 differential lines which should be terminated with 100Ω (differential) at the user SERDES.

6) TD-/+: These are the differential transmitter inputs. They are internally AC-coupled, differential lines with 100Ω differential termination inside the mod

Recommended Interface Circuit

Mechanical Dimensions

Regulatory Compliance

BAUDCOM SFP transceiver is designed to be Class I Laser safety compliant and is certified per the following standards

Feature	Agency	Standard	Certificate / Comments
Laser Safety	FDA	CDRH 21 CFR 1040 annd Laser Notice No. 50	1120294-000
Product Safety	BST	EN 60825-1：2007

EN 60825-2：2004

EN 60950-1：2006BT0905142002Environmental protection

SGS

RoHS Directive 2002/95/ECGZ0902008346/CHEMEMC

CCIC

EN 55022：2006+A1：2007

EN 55024：1998+A1：2001+A2：2003CTE09050018

Order information

Product Model	Descriptions
2.67Gbps CWDM SFP Optical Transceiver, 120km Reach	Part Number Product Description BD-XX48-08CD CWDM 1470nm~1610nm,2.67Gbps,100km,With Digital Diagnostic Monitoring

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155M~2.67Gbps ESFP Optical Transceiver

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