Texas Instruments DS92LV2411SQ/NOPB

Overview

DS92LV2411SQ/NOPB from Texas Instruments is a 24-bit Channel Link II serializer IC that converts parallel LVCMOS video data (24-bit RGB + 3-bit control) into a single CML serial stream for high-speed transmission over STP or coaxial cable. It operates from 5 to 50 MHz pixel clock, supports 1.8 V or 3.3 V I/O, integrates programmable de-emphasis and output voltage control, and targets embedded display interfaces between graphic processors and remote displays.

For engineers reviewing the DS92LV2411SQ/NOPB datasheet, DS92LV2411SQ/NOPB pinout, DS92LV2411SQ/NOPB application, or DS92LV2411SQ/NOPB equivalent, key selection considerations include its 48-pin WQFN package, AC-coupled CML output interface, BIST-enabled link integrity verification, I²C/pin-strapped configuration, and compatibility with DS92LV2412 deserializer in video timing-critical systems.

Technical Context

The DS92LV2411SQ/NOPB implements a fully integrated Channel Link II serializer with embedded clock recovery-free operation on the transmitter side, supporting spread spectrum clocking (SSC) and DC-balanced encoding to enable robust AC-coupled transmission. Its CML driver outputs (DOUT+/DOUT−) are configurable for ±280 mV or ±420 mV differential swing and support adjustable de-emphasis for up to 10 m STP cable runs.

It features dual-mode configuration via dedicated strap pins (CONFIG[1:0], VODSEL, De-Emph, RFB) and an optional I²C interface (SCL/SDA) for runtime register access. The device includes AT-speed BIST with PASS/LOCK reporting, power-down mode (PDB), and >8 kV HBM ESD protection - all operating across −40°C to +85°C industrial temperature range.

Key Specifications

Pinout & Package

DS92LV2411SQ/NOPB is housed in a 48-pin WQFN package (7.00 mm × 7.00 mm body, 0.5 mm pitch) with exposed thermal pad (DAP = GND). Pin functions are validated per TI SNLS302E Rev F (Feb 2015), including dedicated LVCMOS data/control inputs, CML serial outputs, I²C interface, configuration straps, and multi-rail power domains.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar serializer applications.

Compared with DS92LV0411 and DS90UR241, the DS92LV2411SQ/NOPB uniquely delivers full 24-bit RGB serialization with field-programmable de-emphasis, I²C configurability, and AT-speed BIST - making it the only option for new high-fidelity embedded display designs requiring diagnostics, EMI control, and long-cable reliability.

Availability

DS92LV2411SQ/NOPB is available at Aetrix Electronics and suitable for embedded display interface, medical imaging data transport, and factory automation vision systems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for DS92LV2411SQ/NOPB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with decades of expertise in high-speed interface solutions for industrial and automotive markets.

The DS92LV2411SQ/NOPB belongs to TI's Channel Link II chipset family, designed specifically to replace parallel video buses in space-, noise-, and cost-constrained systems while preserving pixel-accurate timing and enabling long-distance AC-coupled transmission.

FAQ

What is the primary function of the DS92LV2411SQ/NOPB in a video interface system?

The DS92LV2411SQ/NOPB is a 24-bit Channel Link II serializer that converts parallel LVCMOS video data (RGB888 + DE/HSYNC/VSYNC) into a single high-speed CML serial stream. It eliminates clock-data skew, reduces interconnect complexity, and enables AC-coupled transmission over STP or coax. In any system using DS92LV2411SQ/NOPB, it serves exclusively as the transmitter, always paired with a compatible deserializer like DS92LV2412.

Does the DS92LV2411SQ/NOPB require an external reference clock for lock acquisition?

No, the DS92LV2411SQ/NOPB does not require an external reference clock for operation - it uses the incoming parallel pixel clock (CLKIN) as its timing source and embeds clock information directly into the serialized CML stream. Unlike deserializers, the DS92LV2411SQ/NOPB has no lock-detection circuitry; clock recovery is handled entirely by the companion DS92LV2412. DS92LV2411SQ/NOPB simply forwards timing-critical signals with deterministic latency.

Can the DS92LV2411SQ/NOPB operate with both 1.8 V and 3.3 V LVCMOS I/O voltages simultaneously?

No - the DS92LV2411SQ/NOPB supports either 1.8 V or 3.3 V for its LVCMOS I/O domain (VDDIO), but not both simultaneously. VDDIO must be set to one nominal voltage (1.8 V ±5% or 3.3 V ±10%), and all LVCMOS pins (DI[23:0], CI1–CI3, CLKIN, SCL, SDA, etc.) operate at that common rail. Mixed-voltage I/O is not supported; level translation is required if interfacing with mixed-supply logic.

How is the BIST (Built-In Self-Test) function enabled and verified on the DS92LV2411SQ/NOPB?

BIST is enabled by asserting the BISTEN pin high and configuring register REG=0x00[0]=0 (per SNLS302E Section 8.5). When active, DS92LV2411SQ/NOPB transmits a known checkerboard pattern; the companion DS92LV2412 returns PASS=1 if received error-free. DS92LV2411SQ/NOPB itself does not generate PASS - it relies on the deserializer's PASS output. BIST validation requires functional DS92LV2412 feedback and cannot be confirmed standalone.

What package type and thermal characteristics apply to the DS92LV2411SQ/NOPB?

The DS92LV2411SQ/NOPB uses a 48-pin WQFN package (7.00 mm × 7.00 mm, 0.5 mm pitch) with exposed thermal pad (DAP) that must be soldered to a solid ground plane using ≥9 vias. Its junction-to-ambient thermal resistance (RθJA) is 27.1°C/W, and maximum power dissipation is rated at 215 mW under recommended operating conditions - critical for thermal design in enclosed industrial enclosures where DS92LV2411SQ/NOPB is commonly deployed.