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Home > Products > Integrated Circuits (ICs) > Linear > Special Purpose Amplifiers

Analog Devices Inc./Maxim Integrated MAX3710ETG+

Name: MAX3710ETG+
Brand: Analog Devices Inc./Maxim Integrated
SKU: MAX3710ETG+
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MAX3710ETG+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Category:: Special Purpose Amplifiers

Package:: -

Datasheet:: MAX3710ETG+.pdf

Description:: IC INTEGRATED CIRCUIT

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Product details

Overview

MAX3710ETG+ from Maxim Integrated is a 125Mbps–2.5Gbps integrated limiting amplifier and burst-mode laser driver with dual-loop APC and ERC power control, designed for GPON/EPON ONU optical modules. It delivers 1.3mV_P-P receiver sensitivity, <15ps deterministic jitter at 2.5Gbps, and programmable CML output swing (410–1000mV_P-P), enabling high-accuracy digital diagnostics in compact SFP-style transceivers.

For engineers reviewing the MAX3710ETG+ datasheet, MAX3710ETG+ pinout, MAX3710ETG+ application, or MAX3710ETG+ equivalent, key selection criteria include burst-enable timing (<2ns), dual DAC resolution (10-bit bias / 9-bit modulation), LOS threshold programmability (0.75–2.2mV_P-P step), and integrated safety features supporting SFF-8472 compliance.

Technical Context

The MAX3710ETG+ integrates two independent closed-loop control systems: an average power control (APC) loop regulating laser bias current and an extinction ratio control (ERC) loop dynamically adjusting modulation current to maintain constant eR across temperature and aging. Both loops operate without temperature lookup tables, using real-time monitor diode feedback via MDIN and BMON pins.

Its receiver path features a low-noise limiting amplifier with on-chip 100Ω differential termination, adjustable SD/LOS threshold via 6-bit DAC, and slew-rate configurable CML output stage optimized for 1.25Gbps EPON (SLEW_RATE = 0) and 2.5Gbps GPON (SLEW_RATE = 1) operation. The 3-wire digital interface (CSEL/SDA/SCL) provides register-level access to all analog functions.

Key Specifications

Parameter	Value and Actual Design Meaning
Data Rate Range	125Mbps to 2.5Gbps - supports full GPON (2.488Gbps) and EPON (1.25Gbps) standards in burst mode.
Receiver Sensitivity	1.3mV_P-P typical - enables high optical link budget in low-light ONU reception scenarios.
Deterministic Jitter	7–15ps_P-P at 2.5Gbps - meets GPON eye mask requirements without external equalization.
Bias Current DAC	10-bit resolution, 1–70mA full-scale - allows precise, stable bias control over -40°C to +95°C.
Modulation Current DAC	9-bit resolution, 5–85mA full-scale - supports programmable extinction ratio from 10dB to 24dB.
LOS Threshold Step	0.75mV_P-P (low range) or 2.2mV_P-P (high range) - enables fine-grained signal-detect tuning per application.
Power Supply	VCC = 2.97V–3.63V - compatible with standard 3.3V rail; separate VCCTO (transmitter supply) and VCCD (digital supply).

Pinout & Package

MAX3710ETG+ uses a 4mm × 4mm, 24-pin TQFN package with exposed pad (EP), rated for -40°C to +95°C operation. Thermal performance requires soldering EP directly to PCB ground plane.

Pin/Terminal	Circuit Role	Design Meaning
1 FAULT	Open-drain fault indicator	Asserts logic-high on overcurrent, under-voltage, or laser fault; requires external 4.7kΩ pull-up to VCCX.
2 DISABLE	TTL/CMOS disable input	Logic-low enables transmitter; internal 100kΩ pull-up to VCCX eliminates need for external resistor.
4,5 ROUT+, ROUT-	Differential CML data output	AC-coupled 100Ω load interface; polarity controlled by RX_POL bit; slew rate selectable for EPON/GPON.
9,10 BEN+, BEN-	Differential burst-enable input	13kΩ LVDS/LVPECL/CML-compatible; triggers laser activation with <2ns enable/disable timing.
11,12 TIN+, TIN-	Differential transmit data input	13kΩ input impedance; supports DC- or AC-coupled drive; TX_POL bit controls inversion.
14 TOUT / 15 IOUT	Laser cathode/anode outputs	Push-pull current sources delivering combined bias + modulation; compliance voltage up to 2.4V.
19 BMON	Bias/monitor diode current monitor	Sources current proportional to IBIAS (gain ≈1/72) or MDIN current; enables analog diagnostic readback.
21,22 RIN+, RIN-	Differential receiver input	On-chip 100Ω termination; accepts 1.3mV_P-P to 1.2V_P-P signals; return loss ≥19dB below 2GHz.
24 LOS	Open-drain loss-of-signal output	Asserts when input falls below SET_LOS threshold; hysteresis 1.25–2.2dB prevents chatter near threshold.

Key Features

Feature	Design Value
Integrated APC + ERC dual-loop control	Eliminates temperature lookup tables; maintains stable average power and extinction ratio across -40°C to +95°C.
Programmable CML output slew rate	Selectable via SLEW_RATE bit to optimize rise/fall time (85–200ps) for 1.25Gbps or 2.5Gbps operation.
3-wire digital interface (CSEL/SDA/SCL)	Enables full configuration of DACs, thresholds, and safety registers using low-cost microcontrollers-no I²C address required.
Dual-monitor capability (BMON + LPD)	BMON provides analog bias/MD current readback; LPD delivers digital laser power status with programmable thresholds.
SFF-8472 digital diagnostics support	Provides real-time monitoring of laser bias, modulation, temperature, and supply voltages via standardized memory map.

Applications

GPON ONU Optical Module	EPON ONU Optical Module
Use Scenario: Single-fiber passive optical network endpoint transmitting upstream bursts at 2.488Gbps while receiving downstream at same rate. IC Role / Device Role / Timing Role: Dual-function PMD IC providing burst-mode laser drive with sub-2ns enable timing and high-sensitivity limiting amplification with <15ps DJ. Use Value: Enables single-chip GPON PMD implementation meeting ITU-T G.984.2 Class B+ optical budgets without external DACs or LUTs.	Use Scenario: Ethernet PON residential gateway requiring 1.25Gbps upstream burst transmission and low-jitter clock recovery. IC Role / Device Role / Timing Role: Burst-mode laser driver with integrated APC/ERC and CML receiver supporting IEEE 802.3ah EPON physical layer. Use Value: Reduces bill-of-materials by integrating bias/modulation DACs, LOS detection, and digital diagnostics in one 4mm × 4mm package.
BOSA On-Board Integration	SFP Transceiver Module
Use Scenario: Board-level optical subassembly where laser and TIA are mounted directly on host PCB instead of pluggable module. IC Role / Device Role / Timing Role: Direct-drive laser controller interfacing with discrete TIA; BMON and LPD provide analog/digital diagnostics for production calibration. Use Value: Supports auto-calibration mode during fiber-optic module manufacturing, reducing test time and fixture cost.	Use Scenario: Hot-pluggable SFP transceiver for metro/access networks requiring SFF-8472 compliance and digital diagnostics. IC Role / Device Role / Timing Role: Core PMD IC implementing all analog functions (laser drive, limiting amp, safety monitoring) plus digital interface per MSA spec. Use Value: Meets SFP MSA mechanical and electrical requirements; exposed pad ensures thermal stability in confined module envelopes.

GPON ONU Optical Module

EPON ONU Optical Module

Use Scenario: Single-fiber passive optical network endpoint transmitting upstream bursts at 2.488Gbps while receiving downstream at same rate.

IC Role / Device Role / Timing Role: Dual-function PMD IC providing burst-mode laser drive with sub-2ns enable timing and high-sensitivity limiting amplification with <15ps DJ.

Use Value: Enables single-chip GPON PMD implementation meeting ITU-T G.984.2 Class B+ optical budgets without external DACs or LUTs.

Use Scenario: Ethernet PON residential gateway requiring 1.25Gbps upstream burst transmission and low-jitter clock recovery.

IC Role / Device Role / Timing Role: Burst-mode laser driver with integrated APC/ERC and CML receiver supporting IEEE 802.3ah EPON physical layer.

Use Value: Reduces bill-of-materials by integrating bias/modulation DACs, LOS detection, and digital diagnostics in one 4mm × 4mm package.

BOSA On-Board Integration

SFP Transceiver Module

Use Scenario: Board-level optical subassembly where laser and TIA are mounted directly on host PCB instead of pluggable module.

IC Role / Device Role / Timing Role: Direct-drive laser controller interfacing with discrete TIA; BMON and LPD provide analog/digital diagnostics for production calibration.

Use Value: Supports auto-calibration mode during fiber-optic module manufacturing, reducing test time and fixture cost.

Use Scenario: Hot-pluggable SFP transceiver for metro/access networks requiring SFF-8472 compliance and digital diagnostics.

IC Role / Device Role / Timing Role: Core PMD IC implementing all analog functions (laser drive, limiting amp, safety monitoring) plus digital interface per MSA spec.

Use Value: Meets SFP MSA mechanical and electrical requirements; exposed pad ensures thermal stability in confined module envelopes.

Equivalent & Alternatives

The following parts are listed as comparable options for similar burst-mode laser driver and limiting amplifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MAX3736ETG+	Same 24-pin TQFN package; supports identical 125Mbps–2.5Gbps range but adds integrated TIA and higher modulation current (100mA).	Targeted at lower-cost BOSA designs where TIA integration reduces component count; not drop-in due to different pin mapping and bias architecture.	Select MAX3736ETG+ only if TIA integration is required and layout revision is acceptable.
ADN2880ACPZ-R7	2.5Gbps limiting amplifier only (no laser driver); 16-pin LFCSP; 1.1mV_P-P sensitivity; no APC/ERC loops or digital interface.	Used in receive-only modules or hybrid designs pairing with discrete laser drivers; lacks burst-mode control and diagnostics.	Choose ADN2880ACPZ-R7 only for pure Rx applications where laser control is handled externally.

Compared with MAX3736ETG+ and ADN2880ACPZ-R7, the MAX3710ETG+ uniquely combines burst-mode laser driving, dual-loop power control, and full SFF-8472 diagnostics in a single 24-pin package-making it the only solution that satisfies complete GPON/EPON PMD functionality without supplemental ICs.

Availability

MAX3710ETG+ is available at Aetrix Electronics and suitable for GPON ONU modules, EPON optical line terminals, BOSA-on-board designs, and SFP transceiver manufacturing requiring stable component supply and long-term lifecycle support.

Supply support for MAX3710ETG+ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Maxim Integrated (now part of Analog Devices) is a semiconductor company specializing in high-performance analog and mixed-signal ICs for communications, computing, and industrial applications.

The MAX3710ETG+ belongs to Maxim's Passive Optical Network (PON) PMD product line, engineered specifically to replace discrete laser driver + limiting amplifier + DAC + monitor solutions in cost-sensitive, space-constrained GPON/EPON optical modules.

FAQ

What is the operating temperature range for the MAX3710ETG+?

The MAX3710ETG+ is specified for continuous operation from -40°C to +95°C ambient temperature. This extended industrial range supports deployment in uncontrolled environments such as outdoor ONUs and street cabinets. All electrical characteristics-including DAC stability, jitter, and APC/ERC loop accuracy-are guaranteed across this full range per datasheet Note 1 and Note 2.

Does the MAX3710ETG+ support both GPON and EPON data rates?

Yes, the MAX3710ETG+ supports 125Mbps, 1.25Gbps, and 2.5Gbps data rates in burst mode. Its CML output slew rate is programmable (SLEW_RATE bit) to meet EPON's slower edge requirements (140–200ps) and GPON's tighter timing (85–115ps), and its APC/ERC loops maintain performance across both standards without reconfiguration.

How does the MAX3710ETG+ implement extinction ratio control without temperature lookup tables?

The MAX3710ETG+ uses a closed-loop extinction ratio control (ERC) circuit that continuously compares monitor diode current (via MDIN) against a reference derived from bias current. This real-time feedback eliminates reliance on pre-characterized LUTs, enabling consistent eR (10–24dB) across temperature, aging, and unit-to-unit variation-verified at 1.25Gbps and 2.5Gbps in datasheet Table 5.

What is the function of the BMON pin on the MAX3710ETG+?

The BMON pin on the MAX3710ETG+ sources a current proportional to either the laser bias current (IBIAS) or the monitor diode current (MDIN), with gain selectable between ≈1/64 and ≈1/80 depending on IBIAS level. This analog output enables low-cost external ADC readback for real-time diagnostics, calibration, and closed-loop system monitoring in production and field use.

Can the MAX3710ETG+ be used in SFP-compliant transceivers?

Yes, the MAX3710ETG+ supports SFP MSA and SFF-8472 digital diagnostics through its 3-wire interface and integrated registers for laser bias, modulation, supply voltage, and temperature monitoring. Its 4mm × 4mm TQFN package fits within SFP mechanical constraints, and its exposed pad ensures thermal stability-confirmed in Maxim's SFP reference design AN6427.

MAX3710ETG+ Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc./Maxim Integrated

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Obsolete

Type:: -

Applications:: -

Mounting Type:: -

Grade:: -

Qualification:: -

Supplier Device Package:: -

MAX3710ETG+ FAQ

1.How can I place an order for MAX3710ETG+ through Aetrix?

Please submit a Request for Quotation (RFQ) for MAX3710ETG+ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MAX3710ETG+ reliable?

The price and inventory of MAX3710ETG+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX3710ETG+ is usually 5 days.

3.What payment methods are accepted for MAX3710ETG+?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX3710ETG+ transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MAX3710ETG+?

MAX3710ETG+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MAX3710ETG+ order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MAX3710ETG+?

For technical support, including MAX3710ETG+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX3710ETG+ requirements.

6.How does Aetrix verify that MAX3710ETG+ is sourced from the original manufacturer or authorized distributors?

All MAX3710ETG+ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX3710ETG+ meets industry standards.

7.What is the process for return or replacement of MAX3710ETG+?

All MAX3710ETG+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX3710ETG+, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MAX3710ETG+ part is unused and in its original packaging.

Return procedure for MAX3710ETG+:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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