MAX4891
PRODUCTION10/100/1000 Base-T Ethernet LAN Switch
- Part Models
- 2
- 1ku List Price
- Starting From $3.36
Part Details
- Single +3.0V to +3.6V Power-Supply Voltage
- Low On-Resistance (RON): 4Ω (typ), 6.5Ω (max)
- Ultra-Low On-Capacitance (CON): 6.5pF (typ)
- Low < 200ps Bit-to-Bit Skew
- -3dB Bandwidth: 1GHz
- Optimized Pin-Out for Easy Transformer and PHY Interface
- Built-In LED Switches for Switching Indicators to Docking Station
- Low 450µA (max) Quiescent Current
- Bidirectional 8 to 16 Multiplexer/Demultiplexer
- Space-Saving Packages
- 32-Pin, 5mm x 5mm, TQFN Package
- 36-Pin, 6mm x 6mm, TQFN Package
The MAX4890/MAX4891/MAX4892 high-speed analog switches meet the needs of 10/100/1000 Base-T applications. These devices switch the signals from two interface transformers and connect the signals to a single 10/100/1000 Base-T Ethernet PHY, simplifying docking station design and reducing manufacturing costs. The MAX4890/MAX4891/MAX4892 can also route signals from a common interface transformer to two different boards in board-redundancy applications.
The MAX4890/MAX4891/MAX4892 switches provide an extremely low capacitance and on-resistance to meet Ethernet insertion and return-loss specifications. The MAX4891/MAX4892 feature one and three built-in LED switches, respectively.
The MAX4890/MAX4891/MAX4892 are available in space-saving 32- and 36-lead TQFN packages, significantly reducing the required PC board area. These devices operate over the -40°C to +85°C temperature range.
Applications
- Board-Level Redundancy Protection
- Notebooks and Docking Stations
- Servers and Routers with Ethernet Interfaces
- SONET/SDH Signal Routing
- T3/E3 Redundancy Protection
- Video Routing and Switching Systems
Documentation
Data Sheet 1
Reliability Data 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX4891ETJ+ | 32-LFCSP-5X5X0.75 | ||
| MAX4891ETJ+T | 32-LFCSP-5X5X0.75 |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Jun 20, 2016 - 1612 ASSEMBLY |
||
| MAX4891ETJ+ | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Tools & Simulations
IBIS Model 1
SPICE Model 1
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