Overview
The SN65LVDT34DR, produced by Texas Instruments, is a quad Low-Voltage Differential Signaling (LVDS) receiver. This component is part of a family of LVDS data line receivers known for their wide common-mode input voltage range, making them compatible with 5-V PECL signals and offering enhanced ground-noise tolerance. The SN65LVDT34DR operates in industry-standard footprints and includes integrated termination resistors, making it suitable for various high-speed data transmission applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Signaling Rate | 400 Mbps | |
| Data Transfer Rate | 200 Mxfr/s | |
| Supply Voltage | 3.3 V | V |
| Common-Mode Input Voltage Range | -4 to 5 V | V |
| Differential Input Thresholds | <±50 mV with 50 mV hysteresis | mV |
| Integrated Termination Resistors | 110 Ω | Ω |
| Package Type | SOIC (D) with 8 pins | |
| Operating Temperature Range | -40 to 85 °C | °C |
| ESD Protection | >15 kV HBM, >600 V MM |
Key Features
- 400-Mbps signaling rate and 200-Mxfr/s data transfer rate
- Operates with a single 3.3-V supply
- Wide common-mode input voltage range of -4 to 5 V
- Differential input thresholds <±50 mV with 50 mV of hysteresis
- Integrated 110-Ω line termination resistors
- Complies with TIA/EIA-644 (LVDS) standards
- Active failsafe circuit ensures high-level output with no input
- Bus-pin ESD protection exceeds 15 kV HBM
- Input remains high-impedance on power down
- TTL inputs are 5-V tolerant
- Pin-compatible with AM26LS32, SN65LVDS32B, µA9637, SN65LVDS9637B
Applications
The SN65LVDT34DR is designed for point-to-point baseband data transmission over controlled impedance media such as printed-circuit board traces, backplanes, or cables. It is particularly useful in applications requiring high-speed data transfer with robust noise rejection and reliability against electrostatic discharges.
- High-speed data transmission systems
- Controlled impedance media applications
- Cabled and wired connections where noise tolerance is critical
- Wired-Or bus signaling
Q & A
- What is the signaling rate of the SN65LVDT34DR?
The signaling rate is 400 Mbps.
- What is the common-mode input voltage range of the SN65LVDT34DR?
The common-mode input voltage range is -4 to 5 V.
- Does the SN65LVDT34DR have integrated termination resistors?
- What is the operating temperature range of the SN65LVDT34DR?
The operating temperature range is -40 to 85 °C.
- What type of ESD protection does the SN65LVDT34DR offer?
The SN65LVDT34DR offers ESD protection exceeding 15 kV HBM and 600 V MM.
- What is the purpose of the active failsafe circuit in the SN65LVDT34DR?
The active failsafe circuit ensures a high-level output within 600 ns after loss of the input signal, preventing noise from being received as valid data under fault conditions.
- Is the SN65LVDT34DR compatible with other LVDS receivers?
- What type of packaging is available for the SN65LVDT34DR?
The SN65LVDT34DR is available in an 8-pin SOIC (D) package.
- Does the SN65LVDT34DR comply with industry standards?
- What is the typical supply current for the SN65LVDT34DR?
The typical supply current is around 8 to 12 mA.
