BDTRP653S1SN-20 2.5G SFP Transceiver

Short Description:

BDTRP653S1SN-20 2.5G SFP Transceiver, 20km transmission, 1310nm/1550nm The SFP-BIDI transceivers are high performance, cost effective modules supporting dual data-rate of 2.5Gbps/2.125Gbps and 20km transmission distance with SMF.

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Description

The SFP-BIDI transceivers are high performance, cost effective modules supporting dual data-rate of 2.5Gbps/2.125Gbps and 20km 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.

FEATURES:

Dual data-rate of 2.5Gbps/2.125Gbps operation
1550nm DFB laser and PIN photo detector for 20km transmission
1310nm DFB laser and PIN photo detector for 20km transmission
BIDI SC/UPC type pluggable optical interface
Compliant with SFP MSA and SFF-8472 with simplex SC receptacle
RoHS compliant and lead-free
Single +3.3V power supply
Support Digital Diagnostic Monitoring interface
Case operating temperature Commercial:

0°C to +70°C

Extended: -10°C to +80°C

Industrial: -40°C to +85°C

Specification

Pin Assignment:

I. Pin Descriptions

Pin	Signal Name	I/O Typ.	Functional Description
1	VeeT		Transmitter Ground
2	TX_FAULT		Transmitter Fault Indication, Logic high, open collector Compatible , 4.7K to 10K Ohm pull up to V_DDT on host
3	TX_DISABLE		Transmitter Disable – Module disable on high or open (No Used)
4	MOD_DEF(2)	I/O	Module Definition 2 Two wire serial ID interface SDA, 4.7K to 10K Ohm pull up to V_DDT on host
5	MOD_DEF(1)	Input	Module Definition 1 Two wire serial ID interface SCL, 4.7K to 10K Ohm pull up to V_DDT on host
6	MOD_DEF(0)	Output	Module Definition 0 TTL Low
7	Rate Select	Input	Select between full or reduced receiver bandwidth The undefined
8	LOS		Receiver Loss of Signal, Logic high, Open collector compatible 4.7K to 10K Ohm pull up to V_DDT on host.
9	VeeR		Receiver Ground
10	VeeR		Receiver Ground
11	VeeR		Receiver Ground
12	RD-	Output	Inverse Received Data Out, Differential PECL, at AC couple
13	RD+	Output	Received Data Out, Differential PECL, at AC couple
14	VeeR		Receiver Ground
15	VccR	Input	Receiver Power
16	VccT	Input	Transmitter Power
17	VeeT		Receiver Ground
18	TD+	Input	Transmitter Data In, Differential PECL, AC couple
19	TD-	Input	Inverse Transmitter Data In, Differential PECL, AC couple
20	VeeT		Transmitter Ground

Notes:

1. Circuit ground is internally isolated from chassis ground.

2. Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.

3. Should be pulled up with 4.7k – 10 kohms on host board to a voltage between 2.0V and 3.6V. MOD_DEF(0) pulls line low to indicate module is plugged in.

4. BDTRP413L1SN-20 transceivers operate between OC-3 and OC-48, 1x and 2x Fiber Channel, and Gigabit Ethernet data rates and respective protocols without active control. BDTRP413L1SN-20 transceivers operate at 1x and 2x Fiber Channel, and Gigabit Ethernet data rates and respective protocols without active control.

5. LOS is open collector output. Should be pulled up with 4.7k – 10 kohms on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.

II. Absolute Maximum Ratings

Parameter	Symbol	Min	Typ	Max	Unit	Ref.
Maximum Supply Voltage	Vcc	0.5		4.5	V
Storage Temperature	TS	-40		100	℃
Case Operating Temperature	TOP	-40		85	℃
Relative Humidity	RH	0		85	%	1

Ⅲ. Electrical Characteristics (TOP = -40 to 85 ℃, VCC = 3.00 to 3.60 Volts)

Parameter	Symbol	Min	Typ	Max	Unit	Ref.
Supply Voltage	Vcc	3.00		3.60	V
Supply Current	Icc		200	300	mA
Transmitter
Input differential impedance	Rin		100		Ω	2
Single ended data input swing	Vin,pp	250		1200	mV
Transmit Disable Voltage	VD	Vcc – 1.3		Vcc	V
Transmit Enable Voltage	VEN	Vee		Vee+ 0.8	V	3
Transmit Disable Assert Time				10	us
Receiver
Single ended data output swing	Vout,pp	300	400	800	mV	4
Data output rise time	tr		100	175	ps	5
Data output fall time	tf		100	175	ps	5
LOS Fault	VLOS fault	Vcc – 0.5		VccHOST	V	6
LOS Normal	VLOS norm	Vee		Vee+0.5	V	6
Power Supply Rejection	PSR	100			mVpp	7
Deterministic Jitter Contribution	RX Δ DJ			51.7	ps	8
Total Jitter Contribution	RX Δ TJ			122.4	ps

Notes:

1. Non condensing.

2. AC coupled.

3. Or open circuit.

4. Into 100 ohm differential termination.

5. 20 – 80 %

6. LOS is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.

7. All transceiver specifications are compliant with a power supply sinusoidal modulation of 20 Hz to 1.5 MHz up to specified value applied through the power supply filtering network shown on page 23 of the Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA), September 14, 2000.

8. Measured with DJ-free data input signal. In actual application, output DJ will be the sum of input DJ and DDJ.

IV. Optical Characteristics (TOP = 0 to 70℃, VCC = 3.00 to 3.60 Volts)

Transmitter

arameter	Symbol	Min.	Typ	Max.	Unit	Note
Operating Wavelength	λC	1270	1310	1360	nm
Operating Wavelength	λC	1500	1550	1570	nm
Ave. output power (Enabled)	Po	-6		1	dBm	1
Extinction Ratio	ER	8.5			dB	1
RMS spectral width	Δλ			4	nm
Rise/Fall time (20%~80%)	Tr/Tf			0.26	ps	2
Output Eye Mask	ITU-T G.957 Compliant

Note (1): Measure at 2^23-1 NRZ PRBS pattern

Note (2): Transmitter eye mask definition

Receiver

Parameter	Symbol	Min.	Typ	Max.	Unit	Note
Operating Wavelength		1530	1550	1570	nm
Operating Wavelength		1270	1310	1360	nm
Sensitivity	Psen			-18	dBm	1
Min. overload	Pimax	-3			dBm
LOS Assert	Pa	-30			dBm
LOS De-assert	Pd			-19	dBm	2
LOS Hysteresis	Pd-Pa	0.5		6	dB