The SN75LBC184 and SN65LBC184 devices are differential data line transceivers in the trade-standard footprint of the SN75176 with built-in protection against high-energy noise transients. This feature provides a substantial increase in reliability for better immunity to noise transients coupled to the data cable over most existing devices. Use of these circuits provides a reliable low-cost direct-coupled (with no isolation transformer) data line interface without requiring any external components.
The SN75LBC184 and SN65LBC184 can withstand overvoltage transients of 400-W peak (typical). The conventional combination wave called out in IEC 61000-4-5 simulates the overvoltage transient and models a unidirectional surge caused by overvoltages from switching and secondary lightning transients.
| Number of receivers | 1 |
| Number of transmitters | 1 |
| Duplex | Half |
| Supply voltage (nom) (V) | 5 |
| Signaling rate (max) (MBits) | 0.25 |
| IEC 61000-4-2 contact (±V) | 30000 |
| Fault protection (V) | -15 to 15 |
| Common-mode range (V) | -7 to 12 |
| Number of nodes | 128 |
| Features | IEC ESD protection, Surge protection |
| Isolated | No |
| Supply current (max) (µA) | 25000 |
| Rating | Catalog |
| Operating temperature range (°C) | 0 to 70 |
| PDIP (P) | 8 | 92.5083 mm² 9.81 x 9.43 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
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