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| Part Number | ADM3491ARU-1REEL7 | ADM3491ARZ-1REEL7 | ADM3491AR-1REEL7 | 
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Obsolete | Active | Active | 
| Type | Transceiver | Transceiver | Transceiver | 
| Protocol | RS422, RS485 | RS422, RS485 | RS422, RS485 | 
| Number of Drivers/Receivers | 1/1 | 1/1 | 1/1 | 
| Duplex | - | Full | Full | 
| Receiver Hysteresis | - | 50 mV | 50 mV | 
| Data Rate | - | 20Mbps | 20Mbps | 
| Voltage - Supply | 3V ~ 3.6V | 3V ~ 3.6V | 3V ~ 3.6V | 
| Operating Temperature | - | -40°C ~ 85°C (TA) | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 16-TSSOP | 14-SOIC | 14-SOIC |