Texas Instruments DS92LV2422SQ/NOPB

Overview

DS92LV2422SQ/NOPB from Texas Instruments is a Channel Link II deserializer IC that converts a high-speed CML serial stream (10–75 MHz pixel clock) into a 24-bit LVCMOS parallel video interface with embedded 3-bit control signals. It operates without an external reference clock, supports AC-coupled STP cables up to 10 m, and delivers real-time link status via the LOCK pin. Used in high-reliability display interfaces for medical imaging and industrial video systems.

For engineers reviewing the DS92LV2422SQ/NOPB datasheet, DS92LV2422SQ/NOPB pinout, DS92LV2422SQ/NOPB application, or DS92LV2422SQ/NOPB equivalent, key selection criteria include lock-free random-data acquisition, adjustable receiver equalization, spread-spectrum clocking (SSCG), output slew control, and I²C programmability for system-level configuration and diagnostics.

Technical Context

The DS92LV2422SQ/NOPB implements a fully autonomous CML-to-LVCMOS deserialization pipeline with integrated adaptive equalization across four EQ[3:0] strap-selectable settings, enabling robust signal recovery over lossy 100-Ω STP interconnects. Its PLL locks directly to incoming serial data-no reference clock required-and generates a clean, jitter-controlled CLKOUT synchronized to recovered pixel timing.

It features real-time link integrity monitoring via LOCK (active-high when locked) and PASS (BIST pass/fail indicator), plus configurable output behavior during power-down using OSS_SEL and OP_LOW straps. All LVCMOS I/O supports 1.8 V or 3.3 V operation, and internal DC balancing ensures compatibility with AC-coupled transmission.

Key Specifications

Pinout & Package

DS92LV2422SQ/NOPB is housed in a 60-pin WQFN package (9.00 mm × 9.00 mm, 0.5-mm pitch) with exposed thermal pad (DAP) requiring ≥9 vias to ground plane for thermal management and EMI suppression.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DS92LV2422SQ/NOPB, DS92LV2421SQ/NOPB serves only as its mandatory transmit counterpart-not a functional substitute-while DS90UB925QSQ/NOPB offers extended reach and FPD-Link III protocol compliance but demands full system redesign due to incompatible signaling, register map, and power architecture.

Availability

DS92LV2422SQ/NOPB is available at Aetrix Electronics and suitable for medical imaging displays, industrial machine vision systems, and security surveillance equipment requiring stable component supply across extended product lifecycles.

Supply support for DS92LV2422SQ/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 company specializing in analog, embedded processing, and connectivity technologies, with leadership in high-reliability interface solutions for industrial and medical markets.

The DS92LV2422SQ/NOPB belongs to TI's Channel Link II chipset family, designed specifically for noise-immune, long-cable, high-fidelity video transport in safety-critical and EMI-sensitive applications such as diagnostic imaging and factory automation.

FAQ

What is the primary function of the DS92LV2422SQ/NOPB in a video interface system?

The DS92LV2422SQ/NOPB functions as a Channel Link II deserializer that recovers a high-speed CML serial stream (10–75 MHz) and reconstructs it into a synchronous 24-bit LVCMOS RGB video bus with embedded control signals (DE/HSYNC/VSYNC). It operates autonomously-no external reference clock is needed-and provides real-time link status via the LOCK pin. This makes DS92LV2422SQ/NOPB ideal for point-to-point video links in medical, industrial, and security applications where timing integrity and cable reach are critical.

Does the DS92LV2422SQ/NOPB require an external reference clock to achieve lock?

No, the DS92LV2422SQ/NOPB does not require an external reference clock. Its internal PLL achieves fast random-data lock directly from the incoming CML serial stream, enabling true plug-and-play operation. The LOCK pin asserts high once stable lock is achieved, and the recovered pixel clock is provided on CLKOUT. This eliminates clock distribution complexity and skew concerns-core advantages of the Channel Link II architecture implemented in DS92LV2422SQ/NOPB.

How is cable length supported by the DS92LV2422SQ/NOPB, and what design features enable it?

The DS92LV2422SQ/NOPB supports up to 10 meters of 100-Ω STP cable via four-level strap-selectable receiver equalization (EQ[3:0]), which compensates for high-frequency attenuation in lossy interconnects. Combined with AC-coupled CML signaling, integrated terminations, and DC-balanced encoding (from the serializer side), this ensures robust bit-error-rate performance (<10⁻¹²) across temperature and voltage variations. These features are validated for DS92LV2422SQ/NOPB in TI's production characterization across the full –40°C to +85°C range.

Can the DS92LV2422SQ/NOPB be configured after power-up, or is it strap-only?

The DS92LV2422SQ/NOPB supports dual-mode configuration: hardware straps (e.g., EQ[3:0], OSS_SEL, RFB) set boot-time defaults, while an optional I²C interface allows full register-level reconfiguration during operation-including equalization level, SSCG parameters, output slew rate, and BIST control. This flexibility lets designers optimize DS92LV2422SQ/NOPB for varying cable types or dynamically adapt to system-level EMI conditions without hardware changes.

What is the role of the PASS pin on the DS92LV2422SQ/NOPB, and how is it used?

The PASS pin on the DS92LV2422SQ/NOPB is a dedicated open-drain output that indicates the result of the built-in at-speed BIST (Built-In Self-Test) mode: PASS = 1 means zero bit errors were detected in the received payload; PASS = 0 indicates one or more errors. It is intended for production test fixtures or in-system diagnostics-routed to a test point or monitored by host firmware. BIST activation is controlled via the BISTEN strap or I²C register, making PASS a deterministic, hardware-verified link integrity signal for DS92LV2422SQ/NOPB deployments.