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| Part Number | ADM231LAQ | ADM231LAR | ADM234LAQ | ADM237LAQ | ADM238LAQ | ADM239LAQ | ADM230LAQ | ADM231LAN |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Active | Obsolete |
| Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver | Driver | Transceiver |
| Protocol | RS232 | RS232 | RS232 | RS232 | RS232 | RS232 | RS232 | RS232 |
| Number of Drivers/Receivers | 2/2 | 2/2 | 4/3 | 4/3 | 4/4 | 3/5 | 0 | 2/2 |
| Duplex | - | - | - | - | Full | - | - | - |
| Receiver Hysteresis | - | - | - | - | 650 mV | - | 250 mV | - |
| Data Rate | - | - | - | - | 120Kbps | - | 120Kbps | - |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.5V ~ 5.5V |
| Operating Temperature | - | - | - | - | -40°C ~ 85°C | - | -40°C ~ 85°C | - |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | 14-CDIP (0.300", 7.62mm) | 16-SOIC (0.295", 7.50mm Width) | 16-CDIP (0.300", 7.62mm) | 24-CDIP (0.300", 7.62mm) | 24-CDIP (0.300", 7.62mm) | 24-CDIP (0.300", 7.62mm) | 20-CDIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) |
| Supplier Device Package | 14-CERDIP | 16-SOIC | 16-CERDIP | 24-CDIP | 24-CDIP | 24-CDIP | 20-CERDIP | 14-PDIP |
