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Texas Instruments LMH0002TMAX/NOPB
- Part No.:
- LMH0002TMAX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Video Processing
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMH0002TMAX/NOPB.pdf
- Description:
- IC VIDEO SERIAL DRIVER 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,610
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Product details
Overview
LMH0002TMAX/NOPB 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 single 3.3V supply operation. It supports data rates up to 1.485 Gbps and operates across −40°C to +85°C for industrial video routing applications.
For engineers reviewing the LMH0002TMAX/NOPB datasheet, LMH0002TMAX/NOPB pinout, LMH0002TMAX/NOPB application, or LMH0002TMAX/NOPB equivalent, key selection criteria include SMPTE compliance mode control, 75Ω AC-coupled coaxial drive capability, output swing adjustability (750–1100 mVP–P), low additive jitter (26 psP–P at 1.485 Gbps), and SOIC-8 thermal performance (θJA = 160°C/W).
Technical Context
The LMH0002TMAX/NOPB implements a current-mode differential output stage optimized for 75Ω coaxial transmission lines (e.g., Belden 8281/1694A), with internal self-biased differential input receivers supporting both AC- and DC-coupled interfaces. Its SD/HD pin selects between SMPTE 259M (slower rise/fall: 400–800 ps) and SMPTE 292M (faster: 120–220 ps) timing compliance.
Output voltage swing is set by an external RREF resistor tied between RREF and VCC, enabling precise amplitude tuning (750–850 mVP–P at RREF = 750Ω; 900–1100 mVP–P at RREF = 590Ω). Power consumption is 38–49 mA depending on SD/HD state, with typical dissipation of 149 mW in HD mode.
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 transmission. |
| Output Swing | 750–1100 mVP–P - adjustable via RREF resistor to match line loss and receiver sensitivity. |
| Additive Jitter | 26 psP–P at 1.485 Gbps - ensures signal integrity over long coax runs without excessive bit error rate. |
| Rise/Fall Time | 120–220 ps (HD mode) or 400–800 ps (SD mode) - programmable via SD/HD pin for standard compliance. |
| Supply Voltage | 3.3 V ±5% - single-rail operation simplifies power design and eliminates level-shifting requirements. |
| Operating Temp | −40°C to +85°C - industrial-grade rating enables use in broadcast equipment and outdoor security systems. |
| Package | 8-pin SOIC (D package) - surface-mount footprint compatible with automated assembly and legacy board layouts. |
Pinout & Package
LMH0002TMAX/NOPB is housed in an 8-pin SOIC (D package), 1.75 mm max height, RoHS-compliant, with exposed pad not present. Pin 1 is marked by beveled corner; device marking is "L002T".
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | SDI | Differential true data input - accepts AC- or DC-coupled signals within 1.6 V to VCC–VSDI/2 common-mode range. |
| 2 | SDI | Differential complement data input - paired with Pin 1 for noise-rejecting signal reception. |
| 3 | VEE | Negative supply (ground reference) - must be connected to system ground plane with low-inductance path. |
| 4 | RREF | Output amplitude control - external resistor to VCC sets output swing (750Ω → 750–850 mVP–P; 590Ω → 900–1100 mVP–P). |
| 5 | VCC | Positive supply (3.3 V) - requires local 0.1 µF ceramic decoupling capacitor adjacent to pin. |
| 6 | SD/HD | Slew rate select - logic low enables SMPTE 292M fast edge rates; logic high enables SMPTE 259M slower edges. |
| 7 | SDO | Differential complement data output - drives 75Ω coaxial cable with current-mode output stage. |
| 8 | SDO | Differential true data output - paired with Pin 7 for balanced, low-emission HD/SD-SDI transmission. |
Key Features
| Feature | Design Value |
|---|---|
| SMPTE 292M/259M Compliance | Hardware-selectable slew rate ensures conformance to both HD-SDI and SD-SDI eye diagram masks without firmware or configuration. |
| Adjustable Output Amplitude | RREF pin enables precise swing tuning to compensate for PCB trace loss or connector attenuation while maintaining signal integrity. |
| Differential Input Architecture | Self-biased inputs eliminate need for external termination or bias networks, reducing component count and layout complexity. |
| Low Additive Jitter | 26 psP–P at 1.485 Gbps minimizes timing uncertainty in multi-hop routing systems, preserving BER in broadcast infrastructure. |
| Industrial Temperature Range | −40°C to +85°C operation supports deployment in uncontrolled environments such as CCTV enclosures and field production gear. |
Applications
| Broadcast Video Routing | Security Camera Transmission |
|---|---|
Use Scenario: Distribution of uncompressed HD-SDI signals from camera sources to multiple monitors or recorders in live production trucks. IC Role / Device Role / Timing Role: Cable driver providing robust 1.485 Gbps differential signaling over 100+ meter coaxial runs with SMPTE 292M compliance. Use Value: Maintains signal eye opening and low jitter across long cables, eliminating need for repeaters or equalizers in mid-range routing. | Use Scenario: Transmitting HD video from outdoor IP or analog cameras to central monitoring stations over existing coax infrastructure. IC Role / Device Role / Timing Role: SD/HD mode-selectable driver adapting output slew to match legacy SD-SDI or modern HD-SDI receiver requirements. Use Value: Enables mixed-resolution surveillance systems using one hardware platform, reducing inventory and integration effort. |
| Digital Video Switchers | Set-Top Box Interfaces |
Use Scenario: Input stage of 16×16 SDI video switcher requiring clean, low-jitter signal regeneration before matrix routing. IC Role / Device Role / Timing Role: Input buffer and cable driver ensuring signal integrity during fan-out to multiple downstream processing paths. Use Value: Prevents inter-channel crosstalk and timing skew through matched differential output pairs and tight rise/fall symmetry. | Use Scenario: Interface between video decoder SoC and external HD-SDI output port in premium set-top boxes. IC Role / Device Role / Timing Role: Final-stage HD-SDI driver meeting SMPTE 292M eye mask and return loss (>15 dB) requirements. Use Value: Eliminates external level-shifting or impedance-matching components, reducing BOM cost and board area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial digital cable driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH0002MA/NOPB | Same silicon, commercial temperature range (0°C to +70°C); identical pinout and electrical specs. | Not rated for industrial ambient conditions; unsuitable for outdoor or thermally uncontrolled enclosures. | Select LMH0002MA/NOPB only for indoor, temperature-stabilized broadcast gear. |
| GS1528A | Gennum part replaced by LMH0002; form-fit-function compatible per TI documentation but lacks RREF-based amplitude tuning. | Fixed output swing; less flexible for varying cable lengths or receiver sensitivities. | Choose GS1528A only for drop-in replacement where existing RREF circuitry is absent and swing tolerance is wide. |
Compared with LMH0002MA/NOPB, LMH0002TMAX/NOPB adds extended temperature support critical for field-deployed video systems; compared with GS1528A, it provides superior design flexibility via programmable amplitude and slew control - essential for optimizing signal integrity across diverse coax topologies.
Availability
LMH0002TMAX/NOPB is available at Aetrix Electronics and suitable for broadcast video routing, security camera transmission, and digital video switchers requiring stable component supply, long-lifecycle assurance, and industrial-grade reliability.
Supply support for LMH0002TMAX/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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and communications markets.
The LMH0002TMAX/NOPB belongs to TI's high-speed interface product line, engineered specifically for SMPTE-compliant serial digital video transmission in professional broadcast and surveillance infrastructure.
FAQ
What is the operating temperature range of the LMH0002TMAX/NOPB?
The LMH0002TMAX/NOPB is rated for industrial operation from −40°C to +85°C, making it suitable for deployment in outdoor security enclosures, mobile broadcast units, and factory-floor video processing equipment where ambient temperatures exceed commercial limits. This range is confirmed in TI's SNLS215E datasheet under Recommended Operating Conditions and distinguishes it from the commercial-grade LMH0002MA/NOPB.
How does the SD/HD pin affect LMH0002TMAX/NOPB performance?
The SD/HD pin on the LMH0002TMAX/NOPB directly controls output slew rate: logic low configures faster rise/fall times (120–220 ps) for SMPTE 292M HD-SDI compliance, while logic high selects slower edges (400–800 ps) for SMPTE 259M SD-SDI. This hardware-selectable feature eliminates software configuration and ensures deterministic timing behavior critical for real-time video systems.
Can LMH0002TMAX/NOPB drive 75Ω coaxial cable without external termination?
Yes, the LMH0002TMAX/NOPB features integrated 75Ω differential output drivers and is designed to directly drive standard 75Ω coaxial cables (e.g., Belden 8281 or 1694A) without external termination resistors. Its current-mode output architecture maintains impedance matching and return loss >15 dB across 5 MHz–1.5 GHz when used with proper PCB layout per TI's SD002 evaluation board guidelines.
What is the purpose of the RREF pin on LMH0002TMAX/NOPB?
On the LMH0002TMAX/NOPB, the RREF pin sets output voltage swing by connecting an external resistor to VCC: 750Ω yields 750–850 mVP–P, while 590Ω yields 900–1100 mVP–P. This allows designers to precisely tune amplitude for specific cable loss or receiver sensitivity, improving margin in long-haul or noisy environments without redesigning the entire signal chain.
Is LMH0002TMAX/NOPB pin-compatible with Gennum GS1528A?
No - LMH0002TMAX/NOPB is not pin-compatible with GS1528A. While TI states the LMH0002MA is form-fit-function compatible with GS1528/GS1528A, the LMH0002TMAX/NOPB uses the same SOIC-8 package but differs in temperature grade and marking ("L002T"). GS1528A has different pin assignments (e.g., no RREF pin), so direct replacement requires PCB modification and validation.
LMH0002TMAX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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
LMH0002TMAX/NOPB FAQ
1.How can I place an order for LMH0002TMAX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMH0002TMAX/NOPB 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 LMH0002TMAX/NOPB reliable?
The price and inventory of LMH0002TMAX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMH0002TMAX/NOPB is usually 5 days.
3.What payment methods are accepted for LMH0002TMAX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMH0002TMAX/NOPB transactions.
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4.How is shipping managed for LMH0002TMAX/NOPB?
LMH0002TMAX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMH0002TMAX/NOPB 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 LMH0002TMAX/NOPB?
For technical support, including LMH0002TMAX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMH0002TMAX/NOPB requirements.
6.How does Aetrix verify that LMH0002TMAX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMH0002TMAX/NOPB 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 LMH0002TMAX/NOPB meets industry standards.
7.What is the process for return or replacement of LMH0002TMAX/NOPB?
All LMH0002TMAX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMH0002TMAX/NOPB, 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 LMH0002TMAX/NOPB part is unused and in its original packaging.
Return procedure for LMH0002TMAX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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