SN65LVDS31D - 400 Mbps Quad LVDS Driver | Texas Instruments
MPN: SN65LVDS31D ✓ Hoạt độngSN65LVDS31D Tóm tắt
An LVDS differential line driver is a high-speed interface IC that converts CMOS or LVTTL inputs into low-voltage differential outputs. In the broader hierarchy, an LVDS driver belongs to differential line-driver ICs, interface ICs, and semiconductors. Its differential signaling reduces common-mode noise sensitivity and supports reliable point-to-point data transmission over balanced interconnects.
Key features include four drivers in one package, operation from a 3.3 V supply, 400-Mbps signaling capability, typical 1.7 ns propagation delay, and typical output rise and fall times of 500 ps. The manufacturer product page also identifies pin compatibility with AM26LS31, MC3487, and µA9638, enabling board-level substitution where electrical and timing requirements are confirmed.
The SN65LVDS31D is intended for high-speed point-to-point links, including display and video backplanes, industrial control links, communications equipment, and test systems. Differential outputs help maintain signal integrity when the source and destination are connected through controlled-impedance traces or a suitable cable.
When designing around this device, use the manufacturer’s recommended termination and layout practices. Confirm trace impedance, keep the differential pair routed with matched geometry, provide adequate bypassing near the supply pins, and verify receiver, cable, and connector characteristics. The supplied data confirms -40°C to +85°C operation for the SOIC-16 device, while other electrical limits should be taken directly from the manufacturer datasheet.
This page combines the verified manufacturer identification, distributor listing, pricing reference, interface context, and engineering-focused application guidance. It is intended to help engineers identify the correct part, validate compatibility, and plan a robust LVDS interconnect without treating unsupported parameters as guaranteed specifications.
Bộ thay thế dễ dàng lắp đặt cho SN65LVDS31D — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
AM26LS31
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC3487
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
µA9638
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
SN65LVDS31D Thông số kỹ thuật
| Device Type | Quad high-speed differential line driver |
| Signaling Technology | Low-Voltage Differential Signaling (LVDS) |
| Number of Drivers | 4 |
| Signaling Rate | 400 Mbps |
| Điện áp cung cấp | 3.3 V |
| Typical Differential Output Voltage | 350 mV into 100 ohm load |
| Typical Propagation Delay | 1.7 ns |
| Typical Output Rise and Fall Times | 500 ps |
| Nhiệt độ hoạt động | -40 C to +85 C |
| Hộp | SOIC-16 |
| Package Pin Count | 16 pins |
| Kiểu lắp đặt | Surface Mount |
| Input Signal | CMOS, LVTTL, TTL |
| Standard | ANSI TIA/EIA-644 |
Hướng dẫn cấu hình chân SN65LVDS31D 16 pins
Cấu hình chân cho SN65LVDS31D (16 pins gói). Số thứ tự chân, chức năng và sơ đồ kết nối được xác định trong tài liệu thông số kỹ thuật của nhà sản xuất. Tham khảo nó để biết footprint và hướng dẫn hàn chính xác.
Không có dữ liệu chân cụ thể sẵn có cho SN65LVDS31D.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
SN65LVDS31D phù hợp cho 6 Áp dụngs: Industrial High-Speed Control Links, Video Backplane Transmission, Communications Equipment Interfaces, Test and Measurement Data Paths, Instrumentation and Data Acquisition, Aerospace and High-Reliability Redundant Links.
Industrial High-Speed Control Links
The SN65LVDS31D fits industrial point-to-point control links that need four low-voltage differential channels at up to 400 Mbps. Each driver can convert a CMOS, LVTTL, or TTL input into a differential output, allowing the link to resist common-mode noise when routed as a controlled-impedance pair. The 3.3 V supply and 16-pin SOIC package support compact interface sections, while the typical 1.7 ns propagation delay helps preserve timing margin. Use receiver-side termination and validate cable length, common-mode range, and grounding against the complete system requirements.
Được đề xuất
Video Backplane Transmission
The SN65LVDS31D is suitable for video or high-speed data backplanes when the link architecture uses LVDS rather than single-ended CMOS. Four independent drivers provide scalable parallel channels, and the verified 400-Mbps rate supports high-speed transmission without requiring a separate driver for every channel. Differential signaling is useful in equipment with longer interconnects or adjacent switching noise because the receiver responds to the voltage difference between the pair. The PCB designer must still control impedance, pair symmetry, return paths, and connector loss.
Được đề xuất
Communications Equipment Interfaces
The SN65LVDS31D can drive four high-speed differential channels inside communications equipment, test systems, or rack-to-rack interfaces. Its 400-Mbps capability, 3.3 V operation, and typical 500-ps transitions provide a useful combination for compact source-side driver sections. The device is not a complete transceiver: a compatible LVDS receiver, correct termination, and controlled interconnect are still required. For systems with power and signal-integrity constraints, place supply bypassing near the IC and verify that the differential pair geometry remains matched through connectors and cable transitions.
Được đề xuất
Test and Measurement Data Paths
The SN65LVDS31D is appropriate for high-speed source-side links in test and measurement equipment where four channels can benefit from differential transmission. The 400-Mbps signaling rate and 1.7 ns typical propagation delay provide concrete timing targets for fixture and backplane design, while the low differential output amplitude supports LVDS-compatible receivers. Use short, symmetrical routes where possible and place termination near the receiving endpoint according to the system architecture. Validate edge degradation, return loss, and cable loss before treating the nominal data rate as an end-to-end guarantee.
Được đề xuất
Instrumentation and Data Acquisition
A quad LVDS driver can simplify source-side fanout in instrumentation systems that distribute timing, control, or sampled-data signals over short balanced connections. The SN65LVDS31D’s four channels, 3.3 V supply, and 400-Mbps capability make it useful when several related high-speed signals need consistent differential drive. Its SOIC-16 package allows conventional surface-mount assembly, but the lack of verified exposed-pad thermal data means thermal performance must be assessed using the exact datasheet and board copper. Confirm receiver thresholds and input signal levels in the instrument architecture.
Được đề xuất
Aerospace and High-Reliability Redundant Links
The SN65LVDS31D product page identifies cold-sparing and space/high-reliability applications as reasons for the AM26LS31, MC3487, and µA9638 compatibility note, making the device family relevant to qualified redundancy discussions. The SN65LVDS31D itself is a four-channel LVDS driver with a 400-Mbps capability and -40°C to +85°C operating range. Before using it in an aerospace or high-reliability program, obtain the exact regulatory, qualification, screening, radiation, and lot-control requirements from the manufacturer. Do not infer aerospace approval from the product family or compatibility statement.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho SN65LVDS31D — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | AM26LS31 | MC3487 | µA9638 |
|---|---|---|---|---|
| Package | SOIC-16 | SOIC-16 candidate; exact orderable package requires verification | SOIC-16 candidate; exact orderable package requires verification | SOIC-16 candidate; exact orderable package requires verification |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
Bảo phân biệt quan trọng
- Four independent LVDS driver channels in one device (vsAM26LS31)
- 400-Mbps high-speed signaling capability (vsMC3487)
- 3.3 V LVDS operation with compact SOIC-16 packaging (vsµA9638)
Ghi chú thiết kế
Route every LVDS output as a matched differential pair with continuous reference-plane return paths. Keep the pair geometry consistent, avoid unnecessary stubs, and minimize vias because discontinuities can degrade the 400-Mbps signal. The verified output target is 350 mV differential into a 100-ohm load, so the physical interconnect and receiver termination should be treated as part of the signal path rather than as an afterthought.
Place the required supply-decoupling network close to the SN65LVDS31D power pins and keep high-current switching loops away from the differential outputs. The verified data identifies a 3.3 V supply, but it does not provide the complete recommended capacitor network or maximum supply ripple. Use the latest TI datasheet for those values, and verify startup, voltage tolerance, and power sequencing in the complete interface design.
Do not assume that a part identified as pin compatible is automatically electrically identical. For AM26LS31, MC3487, and µA9638, compare the exact orderable suffix, package drawing, supply range, input thresholds, output amplitude, propagation delay, temperature range, and power behavior before substituting. Also confirm whether the receiver uses termination at the far end or near the driver; incorrect placement can create reflections and reduce the available eye.
Thông tin tuân thủ
The supplied verified search results do not explicitly establish RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status for SN65LVDS31D. These fields remain unknown rather than inferred.
