×

SN65LVDS2DBVR Detailed explanation of pin function specifications and circuit principle instructions

blog2 blog2 Posted in2025-03-12 02:16:24 Views5 Comments0

Take the sofaComment

SN65LVDS2DBVR Detailed explanation of pin function specifications and circuit principle instructions

The model "SN65LVDS2DBVR" belongs to Texas Instruments (TI), a well-known brand in the semiconductor industry. The part is a low-voltage differential signaling (LVDS) transceiver . This specific model is typically used in applications where high-speed data transmission is required, such as in communications between integrated circuits and displays.

Below, I'll provide the detailed information you requested in an organized manner.

Package Type:

The "SN65LVDS2DBVR" is available in a VQFN-20 (Very Thin Quad Flat No-lead) package, which includes 20 pins.

Pinout and Functions:

Here is the pinout and the function of each pin for the "SN65LVDS2DBVR":

Pin Number Pin Name Function Description 1 VCC (Pin 1) Positive power supply (3.3V typically) 2 GND (Pin 2) Ground pin 3 C1+ Positive terminal of channel 1 differential pair (data output) 4 C1- Negative terminal of channel 1 differential pair (data output) 5 C2+ Positive terminal of channel 2 differential pair (data output) 6 C2- Negative terminal of channel 2 differential pair (data output) 7 C3+ Positive terminal of channel 3 differential pair (data output) 8 C3- Negative terminal of channel 3 differential pair (data output) 9 C4+ Positive terminal of channel 4 differential pair (data output) 10 C4- Negative terminal of channel 4 differential pair (data output) 11 DE Driver enable: when low, disables the output drivers (used for tri-state output) 12 RE Receiver enable: when low, disables the receiver (used for tri-state input) 13 R1+ Positive terminal of receiver 1 differential pair (data input) 14 R1- Negative terminal of receiver 1 differential pair (data input) 15 R2+ Positive terminal of receiver 2 differential pair (data input) 16 R2- Negative terminal of receiver 2 differential pair (data input) 17 R3+ Positive terminal of receiver 3 differential pair (data input) 18 R3- Negative terminal of receiver 3 differential pair (data input) 19 R4+ Positive terminal of receiver 4 differential pair (data input) 20 R4- Negative terminal of receiver 4 differential pair (data input)

FAQ for SN65LVDS2DBVR:

What is the supply voltage range for SN65LVDS2DBVR? The supply voltage for the SN65LVDS2DBVR is typically 3.3V, with a range between 3.0V to 3.6V.

What is the operating temperature range for this device? The operating temperature range for the SN65LVDS2DBVR is from -40°C to 85°C.

Can SN65LVDS2DBVR be used for high-speed data transmission? Yes, the SN65LVDS2DBVR supports high-speed differential signaling and is suitable for data rates up to 400 Mbps.

What type of package does the SN65LVDS2DBVR come in? The SN65LVDS2DBVR comes in a VQFN-20 (Very Thin Quad Flat No-lead) package.

How many differential pairs are there in this device? There are four differential pairs (C1, C2, C3, and C4) for data output and four differential pairs (R1, R2, R3, and R4) for data input.

What is the role of the DE (Driver Enable) pin? The DE pin is used to enable or disable the output drivers. When DE is low, the output drivers are disabled.

What is the role of the RE (Receiver Enable) pin? The RE pin is used to enable or disable the receiver. When RE is low, the receiver is disabled.

What is the typical power consumption of the device? The typical power consumption is 12mA in active mode.

Can the SN65LVDS2DBVR support 5V logic levels? No, the SN65LVDS2DBVR is designed for 3.3V logic levels.

What is the maximum data rate supported by SN65LVDS2DBVR? The device supports data rates up to 400 Mbps.

Is the SN65LVDS2DBVR suitable for point-to-point communication? Yes, the device is commonly used for point-to-point LVDS communication.

What is the purpose of the C1+, C2+, C3+, and C4+ pins? These pins are the positive terminals of the differential data pairs for output.

What is the purpose of the C1-, C2-, C3-, and C4- pins? These pins are the negative terminals of the differential data pairs for output.

What is the purpose of the R1+, R2+, R3+, and R4+ pins? These pins are the positive terminals of the differential data pairs for input.

What is the purpose of the R1-, R2-, R3-, and R4- pins? These pins are the negative terminals of the differential data pairs for input.

Can the SN65LVDS2DBVR be used for driving displays? Yes, this device is suitable for driving displays through high-speed data transmission.

What is the recommended PCB layout for the SN65LVDS2DBVR? For optimal performance, it is recommended to use a differential pair routing with controlled impedance for the data lines.

Is the SN65LVDS2DBVR compatible with both 3.3V and 5V logic levels? No, it is specifically designed for 3.3V logic levels, not 5V logic.

What is the function of the DE and RE pins in terms of signal routing? The DE pin controls the output drivers, and the RE pin controls the receivers. These can be used to tri-state or disable the respective parts when needed.

Can I use SN65LVDS2DBVR in a daisy-chain configuration? Yes, you can use multiple SN65LVDS2DBVR devices in a daisy-chain configuration for multi-point communication.

This covers the most essential details about the "SN65LVDS2DBVR" in terms of package, pin functions, and some frequently asked questions. The pinout table and FAQ should provide a clear understanding of how the device is used.

icclouds

Anonymous