SN65LVDS31D - 400 Mbps Quad LVDS Driver | Texas Instruments
N.º da peça: SN65LVDS31D ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $2.0691 | $2,07 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
SN65LVDS31D Visão geral
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.
Alternativas drop-in para SN65LVDS31D — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
AM26LS31
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC3487
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
µA9638
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
SN65LVDS31D Especificações
| Device Type | Quad high-speed differential line driver |
| Signaling Technology | Low-Voltage Differential Signaling (LVDS) |
| Number of Drivers | 4 |
| Signaling Rate | 400 Mbps |
| Tensão de alimentação | 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 |
| Temperatura de operação | -40 C to +85 C |
| Encapsulamento | SOIC-16 |
| Package Pin Count | 16 pins |
| Tipo de montagem | Surface Mount |
| Input Signal | CMOS, LVTTL, TTL |
| Standard | ANSI TIA/EIA-644 |
Guia de Configuração de Pinos do SN65LVDS31D 16 pins
Configuração de pinos para SN65LVDS31D (pacote 16 pins). A numeração dos pinos, funções e diagramas de conexão estão definidos no datasheet do fabricante. Consulte-o para o footprint exato e diretrizes de soldagem.
Nenhum dado detalhado de pinagem disponível para SN65LVDS31D.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
SN65LVDS31D é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para SN65LVDS31D — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Four independent LVDS driver channels in one device (vs AM26LS31)
- 400-Mbps high-speed signaling capability (vs MC3487)
- 3.3 V LVDS operation with compact SOIC-16 packaging (vs µA9638)
Notas de projeto
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.
Informações de conformidade
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.
