MAX22501E
100Mbps Half-Duplex RS-485/RS-422 Transceivers for Long Cables
Industry's Fastest RS-485 Transceivers with Preemphasis Improve Robust Communications with Longer Cables
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Overview
Features and Benefits
- High-Speed Operation Over Long Distances
- Up to 100Mbps Data Rate
- Integrated Preemphasis Extends Cable Length (MAX22500E)
- High Receiver Sensitivity
- Wide Receiver Bandwidth
- Symmetrical Receiver Thresholds
- Integrated Protection Increases Robustness
- -15V to +15V Common Mode Range
- ±15kV ESD Protection (Human Body Model)
- ±7kV IEC 61000-4-2 Air-Gap ESD Protection
- ±6kV IEC 61000-4-2 Contact Discharge ESD Protection
- Withstands up to ±4kV EFT
- Driver Outputs are Short-Circuit Protected
- Flexibility for Many Different Applications
- 3V to 5.5V Supply Range
- Low Voltage Logic Supply Down to 1.6V (MAX22500E)
- Low 5µA (max) Shutdown Current
- Available in 8-pin or 10-pin TDFN Package and an 8-pin µMAX Package
- -40°C to +125°C Operating Temperature Range
Product Details
The MAX22500E/MAX22501E half-duplex ESD-protected RS-485/RS-422 transceivers are optimized for high-speed (up to 100Mbps) communication over long cables.These transceivers feature integrated hot-swap protection and a fail-safe receiver, ensuring a logic-high on the receiver output when input signals are shorted or open for longer than 10µs (typ).
The MAX22500E features integrated preemphasis circuitry that extends the distance and increases the data rate of reliable communication by reducing inter-symbol interference(ISI) caused by long cables. The MAX22500E features a flexible logic interface down to 1.6V.
The MAX22501E operates without preemphasis and is powered from a 3V to 5.5V supply.
The MAX22500E is available in a 10-pin TDFN-EP package. The MAX22501E is available in a 8-pin TDFN-EP package and an 8-pin µMAX package. Both transceivers operate over the -40°C to +125°C ambient temperature range.
Also see the MAX22502E Full-Duplex RS-485/RS-422 Transceiver ›
Design Solution: RS-485: Overcome the Speed vs. Distance Challenge ›
Applications
- Backplane Busses
- Encoder Interfaces
- Field Bus Networks
- Industrial Control Systems
- Motion Control
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Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (2)
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IBIS Models
IBS
MAX22501E IBIS Model
1.02M
Product Recommendations
MAX22501E Companion Parts
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Evaluation Boards
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.