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Texas Instruments LMH0002MAX/NOPB
- Part No.:
- LMH0002MAX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Video Processing
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMH0002MAX/NOPB.pdf
- Description:
- IC VIDEO SERIAL DRIVER 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,312
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Product details
Overview
LMH0002MAX/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 - used in broadcast video routing, HD-SDI distribution amplifiers, and digital video infrastructure.
For engineers reviewing the LMH0002MAX/NOPB datasheet, LMH0002MAX/NOPB pinout, LMH0002MAX/NOPB application, or LMH0002MAX/NOPB equivalent, this page delivers verified electrical specs, SOIC-8 package details, SMPTE compliance context, thermal performance data, and real-world substitution guidance for broadcast-grade serial digital interface design.
Technical Context
The LMH0002MAX/NOPB implements a current-mode differential output stage with programmable slew rate selection (via SD/HD pin) to meet SMPTE 259M (HD = high, tr/tf ≈ 400–800 ps) or SMPTE 292M (HD = low, tr/tf ≈ 120–220 ps) timing requirements. Input common-mode voltage is self-biased at ~2.1 V with 3.3 V supply.
Output amplitude is set by external RREF (750 Ω typical for 800 mVP–P, 590 Ω for 1000 mVP–P) connected between RREF and VCC. It supports DC- or AC-coupled differential inputs and drives 75 Ω coaxial cables (e.g., Belden 1694A) up to 1.485 Gbps with <26 psP–P additive jitter at full rate.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | Up to 1.485 Gbps - enables SMPTE 292M HD-SDI transmission without retiming. |
| Output Swing | 800 mVP–P (RREF = 750 Ω) into 75 Ω - meets SMPTE 292M peak-to-peak amplitude requirement. |
| Additive Jitter | 26 psP–P @ 1.485 Gbps - ensures signal integrity over long cable runs in broadcast systems. |
| Supply Current | 49 mA typical in SD mode, 43 mA in HD mode - enables low-power HD-SDI channel scaling. |
| Operating Temp | −40°C to +85°C - qualified for industrial broadcast equipment and outside plant enclosures. |
| Return Loss | ≥15 dB (5 MHz–1.5 GHz) - maintains impedance match on properly designed PCBs per SD002 eval board reference. |
| ESD Rating | HBM: 5 kV - provides robust handling margin during board assembly and field service. |
Pinout & Package
LMH0002MAX/NOPB is housed in an 8-pin SOIC (Package Drawing D), 3.9 mm × 4.9 mm body, 1.75 mm max height, RoHS-compliant, lead finish Sn, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (SDI) | Differential data true input | Accepts AC- or DC-coupled LVDS/PECL-compatible signals; self-biased at ~2.1 V. |
| 2 (SDI) | Differential data complement input | Paired with Pin 1 for noise-rejecting differential reception; same bias and swing specs. |
| 3 (VEE) | Negative supply / ground reference | Must be connected to system ground plane; serves as return path for all internal currents. |
| 4 (RREF) | Output amplitude control terminal | Connects to VCC via precision resistor (e.g., 750 Ω ±1%) to set output swing. |
| 5 (VCC) | Positive supply input | Single 3.3 V ±5% supply; decoupling capacitor required within 5 mm of pin. |
| 6 (SD/HD) | Slew rate select control | Low = SMPTE 292M mode (fast edge); High = SMPTE 259M mode (slower edge). |
| 7 (SDO) | Differential data true output | Current-mode output; requires 75 Ω AC-coupled termination to coaxial cable. |
| 8 (SDO) | Differential data complement output | Paired with Pin 7; forms balanced 75 Ω differential output compliant with SMPTE standards. |
Key Features
| Feature | Design Value |
|---|---|
| SMPTE 292M/259M compliance | Guaranteed via dual slew-rate control (SD/HD pin) and output return loss ≥15 dB across 5 MHz–1.5 GHz. |
| Adjustable output amplitude | Set precisely via single external RREF resistor - eliminates need for trimming or calibration in production. |
| Differential input architecture | Self-biased, supports both AC- and DC-coupled sources without external bias networks or level shifters. |
| Low power HD operation | 43 mA supply current at 1.485 Gbps enables dense multi-channel HD-SDI routing cards with thermal headroom. |
| Industrial temperature range | −40°C to +85°C operation supports deployment in broadcast trucks, OB vans, and outdoor enclosures. |
Applications
| HD-SDI Video Routing | SD-SDI Distribution Amplifier |
|---|---|
|
Use Scenario: Signal fan-out from a single HD-SDI source to multiple monitors or recorders in broadcast control rooms. IC Role / Device Role / Timing Role: Cable driver providing SMPTE 292M-compliant differential output with <26 ps jitter to maintain eye opening over 100 m Belden 1694A. Use Value: Enables lossless signal replication without reclocking; RREF tuning allows precise amplitude matching across channels. |
Use Scenario: Re-amplifying legacy SD-SDI (270 Mbps) signals for long-haul coax distribution in studio infrastructure. IC Role / Device Role / Timing Role: Driver configured in SD/HD = high mode for SMPTE 259M-compliant rise/fall times (400–800 ps) and reduced EMI. Use Value: Maintains signal integrity over 300 m runs while consuming only 49 mA - critical for multi-channel DA power budgeting. |
| DVB-ASI Interface | Security Camera Video Transmitter |
|
Use Scenario: Driving 75 Ω coax from MPEG-2 transport stream encoder to ASI receiver in broadcast headend. IC Role / Device Role / Timing Role: Serial digital driver supporting DVB-ASI at 270 Mbps with 18 psP–P additive jitter for low BER. Use Value: Eliminates need for external level-shifting or termination; integrated 75 Ω drive simplifies PCB layout and reduces BOM count. |
Use Scenario: Transmitting HD video from IP or analog security camera over coax to DVR with minimal latency. IC Role / Device Role / Timing Role: Low-latency cable driver operating in HD mode (SD/HD = low) for 1.485 Gbps HD-SDI with fast edge control. Use Value: Delivers full-resolution video with <1 UI jitter accumulation - preserves timestamp accuracy for forensic playback. |
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 |
|---|---|---|---|
| LMH0002TMAX/NOPB | Identical SOIC-8 footprint and electrical specs; rated for −40°C to +85°C (same as LMH0002MAX/NOPB). | No functional difference; TMA variant uses alternate marking "L002T" but shares identical performance and qualification. | Select LMH0002TMAX/NOPB only if traceability to TI's industrial-grade marking convention is required. |
| GS1528A | Gennum part replaced by LMH0002MA/SQ; not pin-compatible with LMH0002MAX/NOPB SOIC package - different pinout and biasing. | Legacy Gennum-based designs require redesign; GS1528A lacks RREF-based amplitude control and SD/HD slew select. | LMH0002MAX/NOPB is not a drop-in replacement for GS1528A; migration requires schematic and layout updates. |
Compared with LMH0002TMAX/NOPB, LMH0002MAX/NOPB offers identical performance and industrial temp rating but uses "L002" marking; versus GS1528A, it delivers superior jitter, programmable amplitude, and SMPTE 292M compliance - requiring board-level redesign but enabling next-gen HD-SDI scalability.
Availability
LMH0002MAX/NOPB is available at Aetrix Electronics and suitable for HD-SDI video routing, broadcast distribution amplifiers, and DVB-ASI interfaces requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for LMH0002MAX/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 broadcast infrastructure IC expertise.
The LMH0002MAX/NOPB belongs to TI's high-speed interface product line, engineered specifically for SMPTE-compliant serial digital video transmission in professional broadcast, medical imaging, and industrial vision systems.
FAQ
What is the maximum data rate supported by the LMH0002MAX/NOPB?
The LMH0002MAX/NOPB supports data rates up to 1.485 Gbps, fully compliant with SMPTE 292M HD-SDI standards. This capability is validated across the full operating temperature range (−40°C to +85°C) and confirmed by TI's AC electrical characterization at 1.485 Gbps with ≤26 psP–P additive jitter. The LMH0002MAX/NOPB maintains signal integrity without retiming, making it suitable for direct-drive broadcast video links.
How does the SD/HD pin affect LMH0002MAX/NOPB performance?
The SD/HD pin on the LMH0002MAX/NOPB selects output slew rate: logic low enables SMPTE 292M-compliant fast edges (120–220 ps rise/fall), while logic high configures SMPTE 259M-compliant slower edges (400–800 ps). This setting directly impacts EMI, cable equalization headroom, and jitter accumulation. The LMH0002MAX/NOPB's internal circuitry adjusts driver strength accordingly - no external components are needed beyond the RREF resistor. This dual-mode flexibility makes the LMH0002MAX/NOPB suitable for mixed SD/HD infrastructure.
What is the purpose of the RREF pin on the LMH0002MAX/NOPB?
The RREF pin on the LMH0002MAX/NOPB sets output voltage swing by connecting an external resistor to VCC. A 750 Ω ±1% resistor yields 800 mVP–P into 75 Ω, meeting SMPTE 292M amplitude requirements; a 590 Ω resistor increases swing to 1000 mVP–P. This resistor must be placed adjacent to the RREF pin with minimized parasitic capacitance. The LMH0002MAX/NOPB's RREF-based control eliminates DACs or trim pots, enabling production-ready amplitude tuning without calibration. Its function is documented in TI's SNLS215E datasheet Section 8.3.3.
Is LMH0002MAX/NOPB pin-compatible with Gennum GS1528A?
No, the LMH0002MAX/NOPB is not pin-compatible with the Gennum GS1528A. Although TI states the LMH0002MA is form-fit-function compatible with GS1528/GS1528A, that applies only to the LMH0002MA variant in SOIC-8 - and even then, compatibility requires board-level validation due to differences in input biasing, RREF implementation, and SD/HD control logic. The LMH0002MAX/NOPB shares the same SOIC-8 package as LMH0002MA but has no documented pin mapping equivalence to GS1528A. Migration from GS1528A to LMH0002MAX/NOPB necessitates schematic and layout revision.
What thermal considerations apply to LMH0002MAX/NOPB in continuous HD operation?
The LMH0002MAX/NOPB exhibits a junction-to-ambient thermal resistance (θJA) of 160°C/W in its SOIC-8 package. At 149 mW typical power dissipation in HD mode, this yields a worst-case junction temperature rise of ~23.8°C above ambient - well within the +150°C absolute maximum. For sustained operation at +85°C ambient, the LMH0002MAX/NOPB junction reaches ~109°C, leaving 41°C safety margin. No heatsink is required, but a solid ground plane and minimal copper isolation around RREF are recommended per TI's layout guidelines in SNLS215E.
LMH0002MAX/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
LMH0002MAX/NOPB FAQ
1.How can I place an order for LMH0002MAX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMH0002MAX/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 LMH0002MAX/NOPB reliable?
The price and inventory of LMH0002MAX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMH0002MAX/NOPB is usually 5 days.
3.What payment methods are accepted for LMH0002MAX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMH0002MAX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMH0002MAX/NOPB?
LMH0002MAX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMH0002MAX/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 LMH0002MAX/NOPB?
For technical support, including LMH0002MAX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMH0002MAX/NOPB requirements.
6.How does Aetrix verify that LMH0002MAX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMH0002MAX/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 LMH0002MAX/NOPB meets industry standards.
7.What is the process for return or replacement of LMH0002MAX/NOPB?
All LMH0002MAX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMH0002MAX/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 LMH0002MAX/NOPB part is unused and in its original packaging.
Return procedure for LMH0002MAX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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