SY88782LMG Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The SY88782LMG is a 1.25 Gbps laser driver IC from Microchip operating at 3.3 V supply in a compact 16-pin MLF package. It provides high-speed modulation and bias current control for optical transceiver and fiber-optic communication designs.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 17
- Lifecycle
- OBSOLETE
- Datasheet
- SY88782LMG Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1.25 Gbps data rate support for Gigabit Ethernet and fiber-optic laser driver applications
- 3.3 V nominal supply voltage operation with wide voltage tolerance
- Compact 16-pin MLF (QFN) package with heat slug for efficient thermal management
- Integrated modulation and bias current control for direct laser diode drive
- Surface-mount package enables high-density PCB assembly in optical transceiver modules
Applications
The SY88782LMG is designed for high-speed optical communication systems including Gigabit Ethernet transceivers, SONET/SDH line cards, and fiber-channel storage area networks. Its 1.25 Gbps laser driver capability makes it suitable for SFP and SFF optical module designs requiring precise laser modulation. The device also fits industrial fiber-optic links and medical imaging data transmission systems demanding reliable high-bandwidth optical signal output.
Specifications
| YTEOL | 0 |
| JESD-30 Code | S-XQCC-N16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Package Body Material | UNSPECIFIED |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Qualification Status | Not Qualified |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Telecom IC Type | ATM/SONET/SDH TRANSCEIVER |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum data rate supported by the SY88782LMG laser driver?
The SY88782LMG supports data rates up to 1.25 Gbps, making it compatible with Gigabit Ethernet (1000BASE-LX/SX) and SONET OC-24 applications. This 1.25 Gbps capability enables low-latency, high-bandwidth optical transmission without requiring an external retimer or clock recovery circuit in many designs.
What supply voltage does the SY88782LMG require and how does this affect system power budgeting?
The SY88782LMG operates from a nominal 3.3 V supply voltage, consistent with standard digital logic power rails. This eliminates the need for a dedicated laser driver power supply in most designs, simplifying power architecture and reducing the number of regulators needed on the optical transceiver board.
Which optical transceiver form factors can integrate the SY88782LMG given its 16-pin MLF package?
The SY88782LMG uses a 16-pin MLF (QFN) surface-mount package with a very thin profile, making it compatible with SFP, SFF, and SFP+ optical module PCB layouts. The heat slug on the package dissipates thermal energy from the laser driver, sustaining reliable 1.25 Gbps modulation in compact 10 mm x 10 mm or smaller module footprints.
How does the SY88782LMG handle laser diode bias and modulation current control?
The SY88782LMG integrates modulation current and bias current control circuitry, allowing designers to set independent drive levels for the laser diode. This dual-control architecture maintains a stable optical extinction ratio across temperature variations from -40°C to +85°C, essential for consistent link budget performance in field-deployed fiber networks.
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