MAX3485AEASA+T
Drivers, Receivers, Transceivers
Technical Specifications
| Type | Description |
|---|---|
| Working Voltage V | 3.3 V |
| Data Rate | 20000000 |
| Iq A | 0.004 A |
| Nodes | 32 |
| ESD Protect | +/-20kV |
| Communication Mode | Half-Duplex |
| Type | Description |
|---|---|
| Number of Drivers | 1 |
| Number of Receivers | 1 |
| Type | Transceiver |
| Operating Temp | -40°C ~ +125°C |
| Features | Enable shutdown;Hot-swap protection;Overcurrent Protection;Low-power mode;Thermal shutdown protection |
| Package / Case | SO-8 |
Product Introduction
Devices in the MAX3483AE family (MAX3483AE/ MAX3485AE/MAX3488AE/MAX3490AE/MAX3491AE) are ±20kV ESD-protected RS-485/422 transceivers, optimized for extended cable runs in noisy environments. All devices operate from a single 3.3V supply.
The MAX3483AE and MAX3485AE are half-duplex transceivers. The MAX3488AE, MAX3490AE, and MAX3491AE are full-duplex transceivers. The MAX3483AE/85AE have a 1-unit load receiver input impedance, allowing up to 32 transceivers on the bus. The MAX3488AE/90AE/91AE have a 1/4 -unit load receiver input impedance, allowing up to 128 transceivers on the bus. Each transceiver includes a fail-safe receiver, ensuring that the receiver output (RO) is high when inputs are shorted, open, or connected to a three-state bus.
All devices feature enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to ±20kV HBM ESD, ±15kV Air-Gap ESD and ±8kV Contact ESD in accordance to IEC 61000-4-2.
The MAX3483AE, MAX3485AE, MAX3488AE, and MAX3490AE are available in industry standard 8-pin SO package, while the MAX3491AE is available in a 14-pin SO package.
Features
- Integrated Protection Increases Robustness
- High ESD Protection: ±20kV HBM ESD per JEDEC JS-001-2012, ±15kV Air Gap per IEC 61000-4-2, ±8kV Contact ESD per IEC 61000-4-2
- Short-Circuit Protected Outputs
- True Fail-Safe Receiver Prevents False Transition on Receiver Input Short or Open Events
- Hot-Swap Capability Eliminates False Transitions During Power-Up or Hot Insertion
- High-Speed Data Rates up to 20Mbps
- Up to -40°C to +125°C Operating Temperature
- Allows Up to 128 Transceivers on the Bus
Applications
- - Industrial-Control Local Area Networks - Transceivers for EMI-Sensitive Applications - Telecommuncations
Datasheet
Alternative Parts
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Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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