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Texas Instruments LMH0002TMA
- Part No.:
- LMH0002TMA
- Manufacturer:
- Texas Instruments
- Category:
- Video Processing
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMH0002TMA.pdf
- Description:
- IC VIDEO SERIAL DRIVER 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,561
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Product details
Overview
LMH0002TMA from Texas Instruments is an SMPTE 292M/259M-compliant serial digital cable driver IC with differential input, 75Ω differential output, selectable slew rate (SD/HD pin), adjustable output amplitude via RREF resistor, and −40°C to +85°C industrial temperature range. It drives coaxial cable (e.g., Belden 8281) at up to 1.485 Gbps for HD-SDI video transmission.
For engineers reviewing the LMH0002TMA datasheet, LMH0002TMA pinout, LMH0002TMA application, or LMH0002TMA equivalent, key selection criteria include SMPTE compliance mode control, 75Ω current-mode output drive capability, single 3.3V supply operation, thermal performance in SOIC package, and compatibility with SDI/HD-SDI routing infrastructure.
Technical Context
The LMH0002TMA implements a high-speed current-mode output stage with externally adjustable amplitude via RREF-to-VCC resistor (750Ω for 800 mVP–P, 590Ω for 1000 mVP–P). Its SD/HD pin selects between SMPTE 259M (slower rise/fall: 400–800 ps) and SMPTE 292M (faster: 120–220 ps) slew rates.
It features self-biased differential inputs (SDI/SDI) operating within 100–2000 mVP–P swing and common-mode range of 1.6 V + VSDI/2, supports DVB-ASI at 270 Mbps, and delivers <26 psP–P additive jitter at 1.485 Gbps - critical for bit-error-free HD-SDI distribution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | Up to 1.485 Gbps - supports full SMPTE 292M HD-SDI and SMPTE 259M SD-SDI standards. |
| Output Swing | 800 mVP–P (RREF = 750Ω) or 1000 mVP–P (RREF = 590Ω) into 75Ω - enables precise amplitude tuning for cable loss compensation. |
| Slew Rate Control | Pin-selectable via SD/HD: 120–220 ps (HD mode) or 400–800 ps (SD mode) - ensures compliance with SMPTE 292M or 259M eye diagram requirements. |
| Supply & Power | Single 3.3V ±5% supply; 49 mA typical ICC in SD mode, 43 mA in HD mode - enables low-noise, low-power HD-SDI line driving. |
| Operating Temp | −40°C to +85°C - qualified for industrial-grade video equipment including broadcast routers and security camera backends. |
| Jitter Performance | 26 psP–P additive jitter at 1.485 Gbps - preserves signal integrity across multi-hop HD-SDI distribution chains. |
| Input Type | Differential or AC/DC-coupled single-ended - simplifies interface to FPGA serializers, video processors, or reclockers without external biasing. |
Pinout & Package
LMH0002TMA is housed in an 8-pin SOIC (D package), 1.75 mm max height, RoHS-compliant, with exposed pad not present. Thermal resistance θJA = 160°C/W, θJC = 105°C/W.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | SDI | True serial data input - accepts differential or single-ended signals; self-biased at ~2.1 V with 3.3 V supply. |
| 2 | SDI | Complement serial data input - forms differential pair with Pin 1; enables noise-immune reception over PCB traces or cables. |
| 3 | VEE | Negative power supply (ground reference) - must be low-impedance; connects to system ground plane for stable output common-mode voltage. |
| 4 | RREF | Output amplitude control - resistor to VCC sets output swing (750Ω → 800 mVP–P; 590Ω → 1000 mVP–P). |
| 5 | VCC | Positive supply (3.3 V ±5%) - requires local 100 nF ceramic decoupling; powers all internal circuitry and output stage. |
| 6 | SD/HD | Slew rate select - logic low enables SMPTE 292M fast edge (120–220 ps); logic high enables SMPTE 259M slower edge (400–800 ps). |
| 7 | SDO | True serial data output - current-mode differential output; terminates into 75Ω load with AC coupling for HD-SDI compliance. |
| 8 | SDO | Complement serial data output - completes differential output pair with Pin 7; maintains 75Ω impedance match and return loss ≥15 dB. |
Key Features
| Feature | Design Value |
|---|---|
| SMPTE 292M/259M Compliance | Hardware-selectable slew rate ensures guaranteed eye mask compliance per standard - eliminates need for post-layout timing tuning. |
| Adjustable Output Amplitude | RREF resistor allows precise swing calibration (±50 mV resolution) to compensate for PCB trace loss or connector degradation over time. |
| Differential Input Architecture | Self-biased inputs accept DC- or AC-coupled signals without external bias networks - reduces BOM count and layout complexity. |
| 75Ω Current-Mode Output | Delivers robust EMI-resistant differential signaling into coaxial cable - meets SMPTE return loss ≥15 dB from 5 MHz to 1.5 GHz on proper layout. |
| Industrial Temperature Range | −40°C to +85°C operation validated per JEDEC JESD22-A108 - supports deployment in uncontrolled environments like outdoor security enclosures. |
Applications
| HD-SDI Video Routing | SD-SDI Broadcast Infrastructure |
|---|---|
|
Use Scenario: Distribution of uncompressed 1080p60 video from production switcher to multiple monitors and recorders in broadcast truck. IC Role / Device Role / Timing Role: Cable driver amplifying and re-driving HD-SDI serial stream after fanout, maintaining SMPTE 292M eye integrity over 100 m Belden 1694A. Use Value: 26 psP–P jitter and 120–220 ps rise/fall time ensure zero pixel errors at 1.485 Gbps - critical for live production reliability. |
Use Scenario: Embedding SD-SDI feeds from legacy cameras into modern IP-based contribution systems via SDI-to-IP gateways. IC Role / Device Role / Timing Role: Level-shifting and impedance-matching driver for SMPTE 259M 270 Mbps signals before digitization and encapsulation. Use Value: SD/HD pin set high enables 400–800 ps edges meeting SMPTE 259M eye mask - avoids intersymbol interference in long-haul baseband links. |
| DVB-ASI Transport | Security Camera Backend |
|
Use Scenario: Driving DVB-ASI streams (270 Mbps) from MPEG-2 encoder to modulator in headend equipment. IC Role / Device Role / Timing Role: High-fidelity cable driver preserving bit-level accuracy across 150 m coaxial runs with minimal added jitter. Use Value: 18 psP–P additive jitter at 270 Mbps prevents TS packet corruption - essential for error-free QAM modulation. |
Use Scenario: Transmitting HD analog video digitized via ADC to remote monitoring station over existing coax cabling in commercial buildings. IC Role / Device Role / Timing Role: Re-driver extending HD-SDI reach beyond native 100 m limit while maintaining SMPTE 292M compliance. Use Value: Adjustable RREF and industrial temp rating allow field calibration and reliable operation in non-climate-controlled ceiling spaces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SMPTE-compliant serial digital driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GS1528A | Gennum part; identical pinout and function but obsolete; no longer manufactured or supported by Renesas. | Legacy drop-in replacement only - lacks TI's updated thermal specs and 1.485 Gbps characterization. | Select LMH0002TMA for new designs requiring active technical support, extended temperature validation, and long-term supply. |
| LMH0034SQ | TI's newer 16-pin WQFN variant; supports same SMPTE standards but adds integrated reclocking and lower jitter (12 psP–P). | Used where jitter budget is tighter (e.g., multi-hop studio routing); requires PCB redesign due to different package and pin count. | Choose LMH0002TMA when cost-sensitive, space-constrained SOIC layout exists and jitter <26 ps suffices. |
Compared with GS1528A, LMH0002TMA offers verified industrial temperature operation and active lifecycle support; compared with LMH0034SQ, it provides proven SOIC compatibility and lower BOM cost at the expense of reclocking capability and ultra-low jitter.
Availability
LMH0002TMA is available at Aetrix Electronics and suitable for HD-SDI video routing, broadcast infrastructure, DVB-ASI transport, and security camera backend systems requiring stable component supply across industrial temperature ranges.
Supply support for LMH0002TMA 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 over 90 years of innovation in high-reliability signal chain solutions.
The LMH0002TMA belongs to TI's high-speed interface product line, engineered specifically for professional video infrastructure - delivering SMPTE-compliant serial digital drivers optimized for broadcast, medical imaging, and industrial vision systems.
FAQ
What is the maximum data rate supported by the LMH0002TMA?
The LMH0002TMA supports data rates up to 1.485 Gbps, fully compliant with SMPTE 292M HD-SDI standards. This maximum rate is validated across the full −40°C to +85°C operating range and confirmed in TI's SNLS215E datasheet under AC Electrical Characteristics. The LMH0002TMA maintains <26 psP–P additive jitter at this rate, ensuring robust signal integrity for uncompressed 1080p60 video transmission.
How does the SD/HD pin affect LMH0002TMA operation?
The SD/HD pin on the LMH0002TMA selects output slew rate: logic low configures faster edges (120–220 ps) for SMPTE 292M HD-SDI compliance, while logic high enables slower edges (400–800 ps) for SMPTE 259M SD-SDI. This hardware-selectable mode eliminates firmware or register programming, enabling deterministic timing behavior critical for broadcast routing. The LMH0002TMA's SD/HD pin is TTL-compatible and draws only 3.7 µA.
What resistor value should I use on the RREF pin of the LMH0002TMA for standard HD-SDI output swing?
For standard HD-SDI output swing of 800 mVP–P into 75Ω, use a 750Ω ±1% resistor between the RREF pin and VCC. For higher swing (1000 mVP–P) required in long-cable or lossy environments, use 590Ω ±1%. TI specifies both values in the LMH0002TMA DC Electrical Characteristics table, and the resistor must be placed adjacent to the RREF pin with removed copper underneath to minimize parasitic capacitance.
Is the LMH0002TMA pin-compatible with the Gennum GS1528A?
No - the LMH0002TMA is not pin-compatible with the GS1528A. While the LMH0002MA variant is form-fit-function compatible with GS1528/GS1528A, the LMH0002TMA uses the same 8-pin SOIC footprint but differs in thermal specification and marking (L002T). The GS1528A is obsolete and unsupported; TI explicitly positions LMH0002TMA as a modern industrial-grade replacement, not a drop-in substitute for legacy Gennum parts.
What is the operating temperature range specified for the LMH0002TMA?
The LMH0002TMA is rated for −40°C to +85°C industrial operating free-air temperature, as stated in the Recommended Operating Conditions table of TI's SNLS215E datasheet. This range is validated with θJA = 160°C/W for the SOIC package and applies to all electrical parameters unless otherwise noted. The LMH0002TMA's thermal design supports continuous operation in non-climate-controlled enclosures typical of broadcast and security video equipment.
LMH0002TMA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Function:
- Driver
- Applications:
- Consumer Video
- Standards:
- DVB-ASI, SMPTE
- Control Interface:
- Serial
- Voltage - Supply:
- 3.135V ~ 3.465V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
LMH0002TMA FAQ
1.How can I place an order for LMH0002TMA through Aetrix?
Please submit a Request for Quotation (RFQ) for LMH0002TMA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LMH0002TMA reliable?
The price and inventory of LMH0002TMA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMH0002TMA is usually 5 days.
3.What payment methods are accepted for LMH0002TMA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMH0002TMA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMH0002TMA?
LMH0002TMA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMH0002TMA order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LMH0002TMA?
For technical support, including LMH0002TMA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMH0002TMA requirements.
6.How does Aetrix verify that LMH0002TMA is sourced from the original manufacturer or authorized distributors?
All LMH0002TMA products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LMH0002TMA meets industry standards.
7.What is the process for return or replacement of LMH0002TMA?
All LMH0002TMA units undergo pre-shipment inspection (PSI). If there is an issue with LMH0002TMA, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LMH0002TMA part is unused and in its original packaging.
Return procedure for LMH0002TMA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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