SN65LBC184DR UART Interface IC RS-485 Interface IC Trans Volt Spprssn Diff Transceiver
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SN65LBC184DR UART Interface IC RS-485 Interface IC Trans Volt Spprssn Diff Transceiver
1 Features
- Integrated Transient Voltage Suppression
-
ESD Protection for Bus Terminals Exceeds: ±30 kV IEC 61000-4-2, Contact Discharge ±15 kV IEC 61000-4-2, Air-Gap Discharge ±15 kV EIA/JEDEC Human Body Model
-
Circuit Damage Protection of 400-W Peak (Typical) Per IEC 61000-4-5
-
Controlled Driver Output-Voltage Slew Rates Allow Longer Cable Stub LeCM GROUPhs
-
250-kbps in Electrically Noisy Environments
-
Open-Circuit Fail-Safe Receiver Design
-
1/4 Unit Load Allows for 128 Devices Connected on Bus
-
Thermal Shutdown Protection
-
Power-Up and Power-Down Glitch Protection
-
Each Transceiver Meets or Exceeds the Requirements of TIA/EIA-485 (RS-485) and ISO/IEC 8482:1993(E) Standards
-
Low Disabled Supply Current 300 μA Maximum
-
Pin Compatible With SN75176
2 Applications
-
Industrial Networks
-
Utility Meters
-
Motor Control
3 Description
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.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
SN65LBC184, SN75LBC184 |
SOIC (8) |
4.90 mm × 3.91 mm |
|
PDIP (8) |
9.81 mm × 6.35 mm |
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