SN65HVD1781A-Q1 Texas instruments

SN65HVD1781A-Q1

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SN65HVD1781A-Q1

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Описание

The device is designed to survive overvoltage faults such as direct shorts to power supplies, mis-wiring faults, connector failures, cable crushes, and tool mis-applications. It is also robust to ESD events, with high levels of protection to the human-body-model specification.The SN65HVD1781A-Q1 combines a differential driver and a differential receiver, which operate from a single power supply. The driver differential outputs and the receiver differential inputs are connected internally to form a bus port suitable for half-duplex (two-wire bus) communication. This port features a wide common-mode voltage range, making the device suitable for multipoint applications over long cable runs. The device is characterized from –40°C to 125°C. The SN65HVD1781A-Q1 device is pin-compatible with the industry-standard SN75176 transceiver, making it a drop-in upgrade in most systems.The device is fully compliant with ANSI TIA/EIA 485-A with a 5-V supply and can operate with a 3.3-V supply with reduced driver output voltage for low-power applications. For applications where operation is required over an extended common-mode voltage range, see the SN65HVD1785 (SLLS872) data sheet.

Qualified for automotive applications
AEC-Q100 Qualified with the following results
- Device temperature grade 1: –40°C to 125°C ambient operating temperature range
- Device HBM ESD classification level H2
- Device CDM ESG classification level C3B
Functional Safety-Capable
- Documentation available to aid functional safety system design
Bus-pin fault protection to: > ±70 V
Operation with 3.3-V to 5-V supply range
±16-kV HBM protection on bus pins
Reduced unit load for up to 320 nodes
Failsafe receiver for open-circuit, short-circuit and idle-bus conditions
Low power consumption
- Low standby supply current, 1 µA maximum
- I_CC 4-mA Quiescent during operation
Pin-compatible with industry-standard SN75176
Signaling rates up to 1 Mbps

Number of receivers	1
Number of transmitters	1
Duplex	Half
Supply voltage (nom) (V)	3.3, 5
Signaling rate (max) (MBits)	1
Fault protection (V)	-70 to 70
Common-mode range (V)	-7 to 12
Number of nodes	320
Features	Fault protection
Isolated	No
Supply current (max) (µA)	6000
Rating	Automotive
Operating temperature range (°C)	-40 to 125
TI functional safety category	Functional Safety-Capable