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Texas Instruments LMH6722MAX/NOPB
- Part No.:
- LMH6722MAX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Video Amps and Modules
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMH6722MAX/NOPB.pdf
- Description:
- IC AMP CURRENT FEEDBACK 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,222
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Product details
Overview
LMH6722MAX/NOPB from Texas Instruments is a quad-channel, current-feedback video operational amplifier optimized for high-definition analog video signal conditioning. It delivers 250MHz −3dB bandwidth at 2VPP output, 0.1dB gain flatness to 120MHz, and differential gain/phase errors of 0.01%/0.01° driving 150Ω PAL/NTSC loads - enabling broadcast-grade video routing in HDTV distribution systems.
For engineers reviewing the LMH6722MAX/NOPB datasheet, LMH6722MAX/NOPB pinout, LMH6722MAX/NOPB application, or LMH6722MAX/NOPB equivalent, key selection criteria include its quad-channel SOIC-14 layout, current-feedback architecture requiring precise RF selection (300Ω typical), low 5.6mA per channel supply current, and compatibility with back-terminated 75Ω/150Ω video interfaces.
Technical Context
The LMH6722MAX/NOPB implements Texas Instruments' VIP10 high-speed complementary bipolar process with current-feedback topology, enabling gain-bandwidth independence and fast settling (12ns to 0.05%). Its input stage features ~180Ω inverting-input impedance and supports non-inverting gains from +1V/V to +6V/V and inverting gains from −1V/V to −5V/V.
It operates from ±4V to ±6.25V supplies, delivers ±3.8V output swing into 100Ω, sustains 70mA continuous output current per channel, and maintains unity-gain stability without external compensation - distinguishing it from voltage-feedback op amps in wideband active filter and cable driver applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3dB Bandwidth | 250MHz at 2VPP output - enables full HD (1080i/p) baseband video amplification without roll-off |
| Gain Flatness | 0.1dB from DC to 120MHz - preserves chroma/luma amplitude integrity across NTSC/PAL spectrum |
| Differential Gain/Phase | 0.01% / 0.01° at 4.43MHz into 150Ω - meets SMPTE RP-168 broadcast video fidelity requirements |
| Slew Rate | 1800V/μs - supports fast transient response for sync pulses and digital video edge transitions |
| Supply Current | 5.6mA per channel at ±5V - allows quad-channel operation within 22.5mA total, suitable for power-constrained video boards |
| Output Current | 70mA continuous per channel - drives multiple back-terminated 75Ω lines or 150Ω video loads |
| Harmonic Distortion | −58dBc HD2 / −70dBc HD3 at 20MHz - minimizes color bleeding and cross-luminance artifacts |
Pinout & Package
LMH6722MAX/NOPB is housed in a 14-pin SOIC (Package D) with exposed pad thermal enhancement. Pin assignments follow standard quad op amp layout with independent power, input, and output terminals per channel, plus shared V+ and V− rails.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 9, 13 | Output | Amplified signal output per channel; capable of ±3.8V swing into 100Ω load |
| 2, 6, 10, 14 | Inverting Input (−) | Current-feedback node with ~180Ω impedance; sets closed-loop gain with RF |
| 3, 7, 11, 12 | Non-Inverting Input (+) | High-impedance voltage-sensing node; referenced to common-mode voltage |
| 4, 14 | V− | Negative supply rail connection; must be decoupled locally with 0.1μF ceramic capacitor |
| 8, 14 | V+ | Positive supply rail connection; requires local 0.1μF ceramic bypassing |
| 14 | Common Pin | Shared V− (Pin 4), V+ (Pin 8), and NC (Pin 14) - Pin 14 is no-connect per TI SOIC-14 drawing |
Key Features
| Feature | Design Value |
|---|---|
| Current-feedback architecture | Enables stable wideband operation at gains +1 to +6V/V without compensation, unlike voltage-feedback op amps |
| 0.1dB gain flatness to 120MHz | Preserves composite video spectral balance - critical for NTSC/PAL chrominance subcarrier fidelity |
| 0.01% differential gain error | Eliminates hue shifts in multi-load video distribution; exceeds SMPTE RP-168 Class A requirement |
| 12ns settling to 0.05% | Supports clean horizontal sync pulse amplification and fast-switching video multiplexers |
| 70mA output drive per channel | Drives four 150Ω back-terminated video loads simultaneously without gain droop or distortion rise |
Applications
| HDTV Video Distribution | Professional Broadcast Routing |
|---|---|
Use Scenario: Amplifying and distributing 1080p RGB or YPbPr signals across multiple monitors in studio control rooms. IC Role / Device Role / Timing Role: Quad-channel buffer and level-shifter ensuring matched gain/phase across all video paths. Use Value: 0.01° differential phase error prevents visible color fringing during split-screen monitoring. | Use Scenario: Building modular analog video switchers handling SDI-to-analog conversion outputs. IC Role / Device Role / Timing Role: Post-conversion driver maintaining signal integrity before BNC output connectors. Use Value: 250MHz bandwidth supports full 3G-SDI analog reconstruction up to 30MHz luminance content. |
| Medical Imaging Display | Test & Measurement Equipment |
Use Scenario: Conditioning real-time ultrasound or endoscopy video streams for display on diagnostic monitors. IC Role / Device Role / Timing Role: Low-noise, low-distortion video amplifier preserving grayscale linearity and contrast resolution. Use Value: −70dBc HD3 at 20MHz suppresses harmonic artifacts that obscure fine anatomical detail. | Use Scenario: Signal path conditioning in oscilloscope front-ends and arbitrary waveform generator outputs. IC Role / Device Role / Timing Role: Wideband gain block enabling flat frequency response calibration up to 100MHz. Use Value: 1800V/μs slew rate ensures accurate reproduction of fast-rising calibration pulses without overshoot. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wideband video amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6722MA/NOPB | Tubed variant (55 pcs/tube); identical electrical specs and SOIC-14 package; same thermal resistance (145°C/W) | No functional difference; selected when small-batch prototyping or manual assembly preferred over tape-and-reel | Choose LMH6722MAX/NOPB for automated SMT production; LMH6722MA/NOPB for bench validation or low-volume builds. |
| LMH6722-Q1 | AEC-Q100 Grade 1 qualified (−40°C to +125°C); identical AC/DC performance but automotive-grade process and traceability | Required for under-hood or infotainment video systems; not rated for industrial temp range (−40°C to +85°C) | Select LMH6722-Q1 only for automotive video ECUs; LMH6722MAX/NOPB remains optimal for commercial HDTV and broadcast gear. |
Compared with LMH6722MA/NOPB and LMH6722-Q1, LMH6722MAX/NOPB offers the same quad-channel video performance in tape-and-reel packaging optimized for high-volume SMT manufacturing, while avoiding automotive qualification overhead and tube-handling constraints.
Availability
LMH6722MAX/NOPB is available at Aetrix Electronics and suitable for HDTV distribution systems, professional broadcast routing infrastructure, and medical imaging display subsystems requiring stable component supply and long-term manufacturability.
Supply support for LMH6722MAX/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 and embedded processing technologies, with decades of expertise in high-speed op amp design and video signal chain solutions.
The LMH6722 series belongs to TI's VIP10-based wideband video op amp product line, engineered specifically for broadcast-quality analog video signal conditioning, including NTSC/PAL fidelity, cable driving, and multi-channel distribution applications.
FAQ
What is the recommended feedback resistor value for LMH6722MAX/NOPB at a gain of +2V/V?
The LMH6722MAX/NOPB requires a 300Ω feedback resistor (RF) for optimal performance at non-inverting gain +2V/V with ±5V supplies. This value balances bandwidth (250MHz), gain flatness (0.1dB to 120MHz), and stability - deviating significantly causes peaking or roll-off per TI Application Note OA-13. The inverting input impedance is ~180Ω, making RF selection critical for current-feedback topology.
Does LMH6722MAX/NOPB support single-supply operation?
LMH6722MAX/NOPB is specified for dual-supply operation from ±4V to ±6.25V and does not support true single-supply use. Its input common-mode range is ±2.2V and output swing is asymmetric near rails (±3.8V into 100Ω). For single-ended systems, level-shifting circuitry or rail-to-rail op amps like THS3201 are required - LMH6722MAX/NOPB must be used with split supplies to meet datasheet AC/DC specifications.
How does LMH6722MAX/NOPB differ from LMH6720 in video performance?
LMH6722MAX/NOPB provides superior video fidelity versus LMH6720: differential gain is 0.01% (vs. 0.02% for LMH6720) and differential phase is 0.01° (identical), both measured at 4.43MHz into 150Ω. LMH6722MAX/NOPB also offers quad-channel integration (vs. LMH6720's single/dual variants) and lacks shutdown functionality - making it ideal for fixed-gain, multi-path video distribution where channel matching is critical.
What thermal considerations apply to LMH6722MAX/NOPB in SOIC-14 package?
LMH6722MAX/NOPB in SOIC-14 (Package D) has a junction-to-ambient thermal resistance (θJA) of 145°C/W. At maximum 22.5mA total supply current and ±5V supplies, quiescent power is ~225mW. With 70mA output current into 100Ω, power dissipation rises further - PCB layout must include thermal vias under the exposed pad and minimize trace length to ground plane to maintain junction temperature below 150°C per absolute maximum rating.
Can LMH6722MAX/NOPB drive a 75Ω back-terminated video line directly?
Yes, LMH6722MAX/NOPB is explicitly characterized driving 150Ω loads (equivalent to two 75Ω back-terminated lines in parallel) with 0.01% differential gain error. Its 70mA continuous output current and ±3.8V swing into 100Ω ensure robust drive capability. For direct 75Ω termination, use a series 75Ω resistor at the output per TI recommendation - this matches source impedance and prevents reflections without degrading LMH6722MAX/NOPB's specified video performance metrics.
LMH6722MAX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Series:
- VIP10™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Current Feedback
- Output Type:
- -
- Number of Circuits:
- 4
- -3db Bandwidth:
- 400 MHz
- Slew Rate:
- 1800V/µs
- Current - Supply:
- 5.6 mA
- Current - Output / Channel:
- 70 mA
- Voltage - Supply, Single/Dual (±):
- 8V ~ 12.5V, ±4V ~ 6.25V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 14-SOIC
LMH6722MAX/NOPB FAQ
1.How can I place an order for LMH6722MAX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMH6722MAX/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 LMH6722MAX/NOPB reliable?
The price and inventory of LMH6722MAX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMH6722MAX/NOPB is usually 5 days.
3.What payment methods are accepted for LMH6722MAX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMH6722MAX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMH6722MAX/NOPB?
LMH6722MAX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMH6722MAX/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 LMH6722MAX/NOPB?
For technical support, including LMH6722MAX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMH6722MAX/NOPB requirements.
6.How does Aetrix verify that LMH6722MAX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMH6722MAX/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 LMH6722MAX/NOPB meets industry standards.
7.What is the process for return or replacement of LMH6722MAX/NOPB?
All LMH6722MAX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMH6722MAX/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 LMH6722MAX/NOPB part is unused and in its original packaging.
Return procedure for LMH6722MAX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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