Specifications

MMA2L20-AR 25GbE SFP28 LR Transceiver Product Specifications

Absolute maximum ratings are those beyond which the device may be damaged.

Parameter

Symbol

Min

Max

Unit

Storage Temperature

TS

-40

85

°C

Operating Case Temperature

TOP

0

70

°C

Power Supply Voltage

VccRx, Vcc1, VccTx

0

3.6

V

Relative Humidity (non-condensing)

RH

5

85

%

Damage Threshold

THd

3.0

---

dBm

Parameter

Symbol

Min

Typ

Max

Unit

Operating Case Temperature

TOP

0

---

70

C

Power Supply Voltage

VccRx, Vcc1, VccTx

3.135

3.3

3.465

V

Data Rate

---

-100 ppm

25.78125

+ 100 ppm

Gbps

Control Input Voltage High

VCTLH

2.0

---

Vcc

V

Control Input Voltage Low

VCTLL

0.0

---

0.8

V

Link Distance with ITU-T G.652.D

D

0.002

---

10

km

Parameter

Symbol

Min

Typ

Max

Unit

Note

Power Consumption

---

---

---

1.5

W

Transmitter

Differential Input Voltage Swing

VIN,PP

200

---

900

mVpp

Common Mode Voltage

VCM

-350

---

2850

mV

1

Differential Termination Mismatch

ZIN

---

---

10

%

At 1 MHz

Receiver

Differential Output Voltage Swing

VOUT,PP

---

---

900

mVpp

Common Mode Voltage

VCM

-350

---

2850

mV

1

Differential Termination Mismatch

ZIN

---

---

10

%

At 1 MHz

Common Mode Return Loss

SCC22

---

---

-2

dB

2

Transition Time, 20 to 80%

9.5

---

---

ps

Eye Width at 10-15 probability

EW15

0.57

---

---

UI

Eye Height at 10-15 probability

EH15

228

---

---

mVpp

3

Notes:

  1. VCM is generated by the host. The specification includes effects of ground offset voltage.

  2. From 250 MHz to 30 GHz.

  3. Requires optimization of equalizer/emphasis and de-embedding of test cables to get correct reading.

  4. Power-on Initialization Time is the time from when the supply voltages reach and remain above the minimum specified operating supply voltages to the time when the module is fully function Timing is specified in SFF-8402 ‎[1].

Parameter

Symbol

Min

Typ

Max

Unit

Note

Wavelength

λ

1295

---

1325

nm

Transmitter

Side Mode Suppression Mode

SMSR

30

---

---

dB

Average Launch Power

PAVG

-7

2

dBm

Optical Modulation Amplitude (OMA)

POMA

-4

---

2.2

dBm

1

Launch Power in OMA minus Transmitter and Dispersion Penalty

(TDP), each Lane

---

-5

---

---

dBm

TDP, each Lane

TDP

---

---

2.7

dB

Extinction Ratio

ER

3

---

---

dB

Relative Intensity Noise

RIN

---

---

-130

dB/Hz

Optical Return Loss Tolerance

ORLT

---

---

20

dB

Transmitter Reflectance

TFL

---

---

-26

dB

Avg Launch Power, when OFF

POFF

---

---

-30

dBm

Eye Mask{X1, X2, X3, Y1, Y2, Y3}

{0.31, 0.4, 0.45, 0.34, 0.38, 0.4}

2

Receiver

Center Wavelength

λr

1295

---

1325

nm

Damage Threshold

THd

3

---

---

dBm

3

Average Receive Power

AOP

---

---

2.2

dBm

Optical Modulation Amplitude

OMA

-14

---

2

dBm

Receiver Sensitivity (OMA)

SEN

---

---

-12

dBm

2

Stressed Receiver Sensitivity (OMA)

---

---

-9.5

dBm

4

Receiver Reflectance

RR

---

---

-26

dB

LOS Assert

LOSA

-30

---

dBm

LOS Deassert

LOSD

---

---

-15

dBm

LOS Hysteresis

LOSH

0.5

---

---

dB

Receiver Electrical 3 dB upper cutoff frequency

fC

---

---

31

GHz

Conditions of Stressed Receiver Sensitivity Test (Note 5)

Vertical Eye Closure Penalty, each lane

---

---

2.5

---

dB

Stressed Eye J2 Jitter

---

---

0.27

---

UI

Stressed Eye J4 Jitter

---

---

0.39

---

UI

SRS Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3}
Hit ratio 5x10-5 per sample

{0.31, 0.4, 0.45 0.34, 0.38, 0.4}

Notes:

  1. Even if the TDP < 1 dB, the OMA min must exceed the minimum value specified here. See Eye Mask Definition figure below.

  2. Hit ratio 5x10-5 per sample.

  3. The receiver shall be able to tolerate, without damage, continuous exposure to a modulated optical input signal having this power level on one lan The receiver does not have to operate correctly at this input power.

  4. Measured with conformance test signal at receiver input for BER = 5x10-5.

  5. Vertical eye closure penalty, stressed eye J2 jitter, stressed eye J4 jitter, and SRS eye mask definition are test conditions for measuring stressed receiver sensitivity. They are not required characteristics of the receiver.

Eye Mask Definition

image2021-10-4_12-31-16.png

The following digital diagnostic characteristics are defined over the normal operating conditions unless otherwise specified.

Optical Module Specifications

Parameter

Symbol

Value

Units

Notes

Temperature monitor absolute error

DMI_Temp

±3

ºC

Over operating temperature range

Supply voltage monitor absolute error

DMI_VCC

±0.1

V

Over full operating range

Channel RX power monitor absolute error

DMI_RX_Ch

±2

dB

1

Channel Bias current monitor

DMI_Ibias_Ch

±10

%

Channel TX power monitor absolute error

DMI_TX_Ch

±2

dB

1

Note 1: Due to measurement accuracy of different single mode fibers, there could be an additional ±1 dB tolerance, or a ±3 dB total tolerance.

This transceiver is specified as ESD threshold 1 kV for high speed data pins and 2 kV for all other electrical input pins, tested per MIL-STD-883, Method 3015.4 /JESD22-A114-A (HBM). However, normal ESD precautions are still required during the handling of this module. This transceiver is shipped in ESD protective packaging. It should be removed from the packaging and handled only in an ESD protected environment.

The following label is applied on the transceiver's backshell:

image2021-10-4_12-28-54.png

(sample illustration)

Warning

Images are for illustration purposes only. Product labels, colors, and lengths may vary.

Transceiver Backshell Label Serial Number Legend

Symbol

Meaning

Notes

MT

Manufacturer name

2 digits (alphanumeric)

YY

Year of manufacturing

2 last digits of the year (numeric)

WW

Week of manufacturing

2 digit (numeric)

XX

Manufacturer site

Two characters

SSSSS

Serial number

5 digits (decimal numeric) for serial number, starting from 00001.

Safety: The laser module is classified as Class 1 according to EN 60825-1, EN 60950-1, UL60950-1, CAN/CSA-C22.2 60950-1, FDA. This product complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated (June 24, 2007).

EMC: CE, FCC, EN55032 Class A, EN55024, CISPR32 Class A, VCCI Class A.

Telcordia Technologies© GR-468CORE, (shock, vibration, HT operation, damp heat operation).

The following certificates are not available:

  • Safety: CB

  • EMC: ICES, RCM

Ask your field engineer or the support team for a zip file of the certifications for this product.

Caution: Use of controls, adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

This device complies with CFR47 FCC Class A Part 15 of the FCC Rules. Operation is subject to the following two conditions:

  1. This device may not cause harmful interference.

  2. This device must accept any interference received, including interference that may cause undesired operation.

Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur during installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.

  • Increase the separation between the equipment and receiver.

  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

  • Consult the dealer or an experienced radio/television technician for help.

Modifications: Any modifications made to this device that are not approved by NVIDIA may void the authority granted to the user by the FCC to operate this equipment.

image2021-10-4_12-27-1.png

© Copyright 2023, NVIDIA. Last updated on May 22, 2023.