Description
SN65HVD7DR 3.3-V Supply RS-485 With IEC ESD protection These devices have robust 3.3-V drivers and receivers in a small package for demanding industrial applications. The bus pins are robust to ESD events with high levels of protection to Human-Body Model and IEC Contact Discharge specifications. Each of these devices combines a differential driver and a differential receiver which operate from a single 3.3-V 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. These devices feature
a wide common-mode voltage range making the devices suitable for multi-point applications over long cable runs. These devices are characterized from –40°C to 125°C.
Features:
- Small-size VSSOP Packages Save Board Space, or SOIC for Drop-in Compatibility
- Bus I/O Protection
– >±15 kV HBM Protection
– >±12 kV IEC 61000-4-2 Contact Discharge
– >±4 kV IEC 61000-4-4 Fast Transient Burst - Extended Industrial Temperature Range –40°C to 125°C
- Large Receiver Hysteresis (80 mV) for Noise Rejection
- Low Unit-Loading Allows Over 200 Connected Nodes
- Low Power Consumption
– Low Standby Supply Current: < 2 µA
– ICC < 1 mA Quiescent During Operation - 5-V Tolerant Logic Inputs Compatible With 3.3-V or 5-V Controllers
- Signaling Rate Options Optimized for: 250 kbps, 20 Mbps, 50 Mbps
- Glitch Free Power-Up and Power-Down Bus Inputs and Outputs
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