Fast delivery 10g Sfp+ Aoc - 25G SFP28 Active optical cable JHA-SFP28-25G-AOC – JHA

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Fast delivery 10g Sfp+ Aoc - 25G SFP28 Active optical cable JHA-SFP28-25G-AOC – JHA Detail:

Features

◊ Electrical interface compliant to SFF-8431

◊ 850nm VCSEL laser and PIN photo-detector

◊ Maximum link length of 70m on OM3 MMF and 100m on OM4 MMF

◊ Digital diagnostics functions are available via the I2C interface

◊ Operating case temperature Commercial: 0°C to +70 °C

◊ +3.3V single power supply

◊ Power consumption less than 1W

◊ RoHS compliant

◊ Password protection for A0h and A2h

Applications

◊ 25GBASE-SR Ethernet

◊ Servers, switches, storage and host card adapters

Specification

Absolute Maximum Ratings

Table1- Absolute Maximum Ratings

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Supply Voltage	Vcc3	-0.5	-	+3.6	V
Storage Temperature	Ts	-10	-	+70	°C
Operating Humidity	RH	+5	-	+85	%	1

Note: 1 No condensation

Recommended Operating Conditions

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Operating Case Temperature	TC	0	-	+70	°C
Power Supply Voltage	Vcc	3.14	3.3	3.47	V
Power Supply Current	Icc	-	-	300	mA
Power Dissipation	Pd	-	-	1.0	W
Bit Rate	BR	8.5	25.78125	-	Gbps
Fiber Bend Radius	Rb	3	-	-	cm

Table 2- Recommended operating Conditions

Electrical Characteristics

Table 3- Electrical Characteristics

Parameter			Symbol		Min.	Typ.	Max.	Units		Notes
Transmitter
Differential Data Input Swing			Vin,P-P		200	-	1600		mVPP
Input Differential Impedance			ZIN		90	100	110		Ω
Tx_Fault	Normal Operation		VOL		0	-	0.8		V
	Transmitter Fault		VOH		2.0	-	VCC		V
Tx_Disable	Normal Operation		VIL		0	-	0.8		V
	Laser Disable		VIH		2.0	-	VCC+0.3		V
Receiver
Differential Date Output				Vout	400	-	800	mV
Output Differential Impedance				ZD	90	100	110	Ω
Rx_LOS		Normal Operation		VOL	0	-	0.8	V
		Lose Signal		VoH	2.0	-	VCC	V

Optical Characteristics

Table 4-Optical Characteristics

Parameter	Symbol	Unit	Min	Typ	Max	Notes
Optical transmitter Characteristics
Bit Rate	BR	Gbps	8.5	25.78125	-
Center Wavelength Range	λc	nm	820	850	880
Average Launch powerTx_off	Poff	dBm	-	-	-45
Launch Optical Power	P0	dBm	-6.0		2.4	1
Extinction Ratio	ER	dB	2	-	-
Spectral Width(RMS)	RMS	nm	-	-	0.65
Optical Receiver Characteristics
Bit Rate	BR	Gbps	8.5	25.78125
Bit Error Rate	BER		-	-	E-12
Damage threshold	DT	dBm	3.4	-	-

Overload Input OpticalPower	PIN	dBm	2.4	-	-	2
Center Wavelength Range	λc	nm	820	-	880
Receiver Sensitivity inAverage Power	Sen	dBm	-	-	-5.2	3
Los Assert	LosA	dBm	-30	-	-
Los De-Assert	LosD	dBm	-	-	-13
Los Hysteresis	LosH	dB	0.5

Note:

Coupled into 50/125 MMF.
Measured with PRBS 231-1 test pattern @25.78125Gbps.BER=E-12 3. BER=1×10-12; PRBS231-1@25.78125Gbps.

Recommended Host Board Power Supply Circuit

Figure 1, Recommended Host Board Power Supply Circuit

Recommended Interface Circuit

Figure 2, Recommended Interface Circuit

Pin arrangement

Figure 3, Pin View

Table 5-Pin Function

Definitions

Pin	Symbol	Name/Description	Notes
1	VEET	Module Transmitter Ground	1
2	TX_FAULT	Module Transmitter Fault	2
3	TX_DISABLE	Transmitter Disable; Turns off transmitter laser output	3
4	SDA	2-Wire Serial Interface Data Line (MOD-DEF2)
5	SCL	2-Wire Serial Interface Clock (MOD-DEF1)
6	MOD_ABS	Module Absent, connected to VEET or VEER in the module	2
7	RS0	Rate Select 0, optionally controls SFP+ module receiver	4
8	RX_LOS	Receiver Loss of Signal Indication (In FC designated as Rx_LOS and in Ethernet designated as NOT Signal Detect)	2
9	RS1	Rate Select 1, optionally controls SFP+ module transmitter	4
10	VEER	Module Receiver Ground	1
11	VEER	Module Receiver Ground	1
12	RD-	Receiver Inverted Data Output
13	RD+	Receiver Non-Inverted Data Output
14	VEER	Module Receiver Ground	1
15	VCCR	Module Receiver 3.3 V Supply
16	VCCT	Module Transmitter 3.3 V Supply
17	VEET	Module Transmitter Ground	1
18	TD+	Transmitter Non-Inverted Data Input
19	TD-	Transmitter Inverted Data Input
20	VEET	Module Transmitter Ground	1

Note:

The module ground pins are isolated from the module case.
The pins shall be pulled up with 4.7K-10Kohms to a voltage between 3.14V and 3.46V on host board.
The pin is pulled up to VCCT with a 4.7K-10KΩ resistor in the module.
See SFF-8472 Rev12.2 Table 10-2.