Overview
The SN65HVD09DGGR is a 9-channel RS-422 / RS-485 transceiver produced by Texas Instruments. It is designed for industrial applications and offers improved switching performance, a compact package, and high ESD protection. The device is packaged in a thin shrink small-outline package (TSSOP) with a 0.5-mm pin pitch, making it suitable for space-restricted applications such as small form-factor hard disk drives. The SN65HVD09 operates over an ambient air temperature range of –40°C to 85°C, ensuring reliability in various industrial environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 9 | |
| Communication Standards | RS-422 / RS-485 | |
| Data Transfer Rate | Up to 20 Million Data Transfers per Second | |
| Package Type | Thin Shrink Small-Outline Package (TSSOP) | |
| Pin Pitch | 0.5 mm | |
| Operating Temperature Range | –40°C to 85°C | °C |
| ESD Protection on Bus Pins | Exceeds 12 kV (Human-Body Model), 600 V (Machine Model) | |
| Supply Voltage | 4.75 to 5.25 V | V |
| Low Disabled Supply Current | 8 mA (Typical) | mA |
| Thermal Shutdown Temperature | 165 °C | °C |
Key Features
- Designed to operate at up to 20 million data transfers per second on each RS-422/RS-485 channel.
- Packaged in a thin shrink small-outline package (TSSOP) with a 0.5-mm pin pitch.
- High ESD protection: exceeds 12 kV using the human-body model and 600 V using the machine model on RS-485 I/O terminals.
- Low disabled supply current of 8 mA (typical).
- Thermal shutdown protection and positive- and negative-current limiting.
- Power-up/down glitch protection.
- Precise skew limits to ensure closely matched propagation delay times for high-speed parallel data buses.
Applications
The SN65HVD09DGGR is suitable for various industrial applications, including:
- Industrial automation and control systems.
- Small form-factor hard disk drives and other space-restricted applications.
- High-speed parallel data buses requiring tight skew budgets.
- Defense, aerospace, and medical applications due to its controlled baseline, one assembly/test site, one fabrication site, extended product life cycle, and extended product-change notification.
Q & A
- What communication standards does the SN65HVD09DGGR support?
The SN65HVD09DGGR supports both RS-422 and RS-485 communication standards.
- What is the maximum data transfer rate of the SN65HVD09DGGR?
The SN65HVD09DGGR can operate at up to 20 million data transfers per second on each channel.
- What type of package does the SN65HVD09DGGR use?
The SN65HVD09DGGR is packaged in a thin shrink small-outline package (TSSOP) with a 0.5-mm pin pitch.
- What is the operating temperature range of the SN65HVD09DGGR?
The device operates over an ambient air temperature range of –40°C to 85°C.
- What level of ESD protection does the SN65HVD09DGGR offer?
The SN65HVD09DGGR offers ESD protection exceeding 12 kV using the human-body model and 600 V using the machine model on RS-485 I/O terminals.
- What is the typical low disabled supply current of the SN65HVD09DGGR?
The typical low disabled supply current is 8 mA.
- Does the SN65HVD09DGGR have thermal shutdown protection?
Yes, the SN65HVD09DGGR includes thermal shutdown protection.
- What kind of current limiting does the SN65HVD09DGGR feature?
The device features both positive- and negative-current limiting.
- Is the SN65HVD09DGGR suitable for high-speed parallel data buses?
Yes, it is designed with precise skew limits to ensure closely matched propagation delay times for high-speed parallel data buses.
- Can the SN65HVD09DGGR be used in defense, aerospace, and medical applications?
Yes, it supports these applications due to its controlled baseline, one assembly/test site, one fabrication site, extended product life cycle, and extended product-change notification.
