SN888C Texas instruments

SN888C

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SN888C

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Описание

The SN888C is a low-power RS-485 transceiver with bus-polarity correction and transient protection. Upon hot plug-in the device detects and corrects the bus polarity within the first 76 ms of bus idling. On-chip transient protection protects the device against IEC61000 ESD and EFT transients. The SN888C is available in an SOIC-8 package. The device is characterized from 40°C to 85°C.

Exceeds Requirements of EIA-485 Standard
Bus-Polarity Correction within 76 ms
Data Rate: 300 bps to 250 kbps
Works with Two Configurations:
- Failsafe Resistors Only
- Failsafe and Termination Resistors
Up to 256 Nodes on a Bus
SOIC-8 Package for Backward Compatibility
Bus-Pin Protection:
- ±16 kV HBM protection
- ±12 kV IEC61000-4-2 Contact Discharge
- +4 kV IEC61000-4-4 Fast Transient Burst

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)	12000
Fault protection (V)	-18 to 18
Common-mode range (V)	-7 to 12
Number of nodes	256
Features	IEC ESD protection
Isolated	No
Supply current (max) (µA)	900
Rating	Catalog
Operating temperature range (°C)	-40 to 85