Overview
The SN65LVDT2DBVTG4 is a single-channel, low-voltage differential signaling (LVDS) line receiver produced by Texas Instruments. This device is part of the SN65LVDT2 family and is designed to operate within a wide supply voltage range of 2.4V to 3.6V, making it suitable for various applications, including battery-powered systems. The SN65LVDT2DBVTG4 complies with the ANSI TIA/EIA-644 standard and is characterized for operation from –40°C to 85°C. It features low power consumption, high ESD tolerance, and low electromagnetic interference (EMI), which are critical for high-speed data transmission.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range (VCC) | –0.5 | 4 | V | |
| Input Voltage Range (VI) | –0.5 | VCC + 2 | V | |
| Differential Output Voltage Magnitude (|VOD|) | 247 | 350 | 454 | mV |
| Propagation Delay Time (Driver) | 1.7 | ns | ||
| Propagation Delay Time (Receiver) | 2.5 | ns | ||
| Power Dissipation at 200MHz (Driver) | 25 | mW | ||
| Power Dissipation at 200MHz (Receiver) | 60 | mW | ||
| Differential Input Voltage Threshold (VITH+) | 100 | mV | ||
| Supply Current (ICC) | 4 | 7 | mA |
Key Features
- Meets or exceeds the ANSI TIA/EIA-644 standard for LVDS signaling.
- Designed for signaling rates up to 630Mbps for drivers and 400Mbps for receivers.
- Operates from a 2.4V to 3.6V supply voltage range.
- Available in SOT-23 and SOIC packages.
- Bus-terminal ESD exceeds 9kV.
- Low-voltage differential signaling with typical output voltages of 350mV into a 100Ω load.
- Low power dissipation: 25mW typical for drivers and 60mW typical for receivers at 200MHz.
- Receiver includes line termination and open-circuit fail-safe feature.
- 5V tolerant LVTTL input.
- High-impedance output and input when VCC < 1.5V.
Applications
- Wireless infrastructure.
- Telecom infrastructure.
- Printers.
- Battery-powered applications due to low power consumption and wide supply voltage range.
- High-speed data transmission over printed-circuit board traces or cables.
Q & A
- What is the operating supply voltage range for the SN65LVDT2DBVTG4?
The operating supply voltage range is from 2.4V to 3.6V.
- What is the maximum signaling rate for the SN65LVDT2 receiver?
The maximum signaling rate for the receiver is up to 400Mbps.
- What is the typical propagation delay time for the receiver?
The typical propagation delay time for the receiver is 2.5ns.
- Does the SN65LVDT2DBVTG4 have built-in ESD protection?
- What is the typical differential output voltage magnitude for the SN65LVDT2?
The typical differential output voltage magnitude is 350mV into a 100Ω load.
- Is the SN65LVDT2DBVTG4 5V tolerant on its inputs?
- What happens to the receiver output when there is no differential voltage present on the signal pair?
The receiver has an open-circuit fail-safe feature that pulls each line to VCC through 300-kΩ resistors and forces the output to a high level.
- Can the SN65LVDT2DBVTG4 be used in multidrop systems?
The SN65LVDT2 can be used in a point-to-point system or as the last receiver in a multidrop system, but it should not be used at every node in a multidrop system to avoid signal distortion.
- What is the thermal operating range for the SN65LVDT2DBVTG4?
The device is characterized for operation from –40°C to 85°C.
- What are the common applications of the SN65LVDT2DBVTG4?
