Overview
The SN65HVD08PE4, produced by Texas Instruments, is a wide supply range RS-485 transceiver designed for balanced data transmission. This device combines a 3-state differential line driver and a differential line receiver, making it compatible with ANSI TIA/EIA-485-A and ISO-8482E standard-compliant devices. It operates with a supply voltage range of 3 V to 5.5 V and consumes less than 90 mW of quiescent power, making it suitable for various industrial and commercial applications.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage, VCC | 3 | - | 5.5 | V |
| Input Voltage at any Bus Terminal | -7 | - | 12 | V |
| High-Level Input Voltage, VIH | 2.25 VCC | - | VCC | V |
| Low-Level Input Voltage, VIL | 0 | - | 0.8 | V |
| Differential Input Voltage, VID | -12 | - | 12 | V |
| High-Level Output Current, IOH (Driver) | -60 | - | - | mA |
| Low-Level Output Current, IOL (Driver) | 60 | - | - | mA |
| Operating Free-Air Temperature, TA | -40 | - | 85 | °C |
| Bus-Pin ESD Protection | - | - | ±16 kV HBM | - |
Key Features
- Operates with a 3-V to 5.5-V supply voltage range.
- Consumes less than 90 mW of quiescent power.
- Open-circuit, short-circuit, and idle-bus failsafe receiver.
- 1/8th unit-load, supporting up to 256 nodes on the bus.
- Bus-pin ESD protection exceeds 16 kV HBM.
- Driver output voltage slew-rate limited for optimum signal quality at 10 Mbps.
- Electrically compatible with ANSI TIA/EIA-485 standard.
- Active-high driver enable and active-low receiver enable.
- Internal biasing of the receiver input thresholds for failsafe conditions.
- Typical receiver hysteresis of 35 mV.
Applications
- Data transmission with remote stations powered from the host.
- Isolated multipoint data buses.
- Industrial process control networks.
- Point-of-sale networks.
- Electric utility metering.
Q & A
- What is the operating supply voltage range of the SN65HVD08PE4?
The SN65HVD08PE4 operates with a supply voltage range of 3 V to 5.5 V.
- What is the quiescent power consumption of the SN65HVD08PE4?
The device consumes less than 90 mW of quiescent power.
- What type of ESD protection does the SN65HVD08PE4 offer?
The device offers bus-pin ESD protection that exceeds 16 kV HBM.
- How many nodes can the SN65HVD08PE4 support on the bus?
The device supports up to 256 nodes on the bus due to its 1/8th unit-load capability.
- What is the maximum data rate supported by the SN65HVD08PE4?
The device supports data transmission up to 10 Mbps.
- Is the SN65HVD08PE4 compatible with ANSI TIA/EIA-485 standard?
Yes, the device is electrically compatible with the ANSI TIA/EIA-485 standard.
- What are the typical operating temperature ranges for the SN65HVD08PE4?
The device operates over a temperature range from -40°C to 85°C.
- How does the SN65HVD08PE4 handle failsafe conditions?
The device has internal biasing of the receiver input thresholds for open-circuit, short-circuit, and idle-bus failsafe conditions.
- What is the typical receiver hysteresis of the SN65HVD08PE4?
The typical receiver hysteresis is 35 mV.
- Can the SN65HVD08PE4 be used in industrial process control networks?
Yes, the device is suitable for use in industrial process control networks.
