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Texas Instruments LMH6722MTX/NOPB
- Part No.:
- LMH6722MTX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Video Amps and Modules
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LMH6722MTX/NOPB.pdf
- Description:
- IC AMP CURRENT FEEDBACK 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,416
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Product details
Overview
LMH6722MTX/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 (VOUT = 2VPP), 0.1dB gain flatness to 120MHz, and differential gain/phase errors of 0.01%/0.01° at 4.43MHz - enabling broadcast-quality NTSC/PAL signal integrity when driving 75Ω back-terminated loads.
For engineers reviewing the LMH6722MTX/NOPB datasheet, LMH6722MTX/NOPB pinout, LMH6722MTX/NOPB application, or LMH6722MTX/NOPB equivalent, this page provides verified circuit role, package mapping (14-pin SOIC), key video performance parameters, real-world application context, and validated alternative options - all extracted from TI's official SNOSA39G datasheet and packaging documentation.
Technical Context
The LMH6722MTX/NOPB employs Texas Instruments' VIP10 high-speed complementary bipolar process with current-feedback topology, enabling stable operation at gains of +1 to +6 V/V and −1 to −5 V/V while maintaining bandwidth independence from closed-loop gain via precise RF selection. Its input buffer features ~180Ω inverting-input impedance and low 1.2pA/√Hz non-inverting current noise.
Designed for unity-gain stability, it achieves 1800V/μs slew rate and 12ns settling time to 0.05% with 70mA continuous output drive into 100Ω. The device operates from ±4V to ±6.25V supplies and supports −40°C to +85°C ambient temperature range - distinct from the automotive-grade LMH6722-Q1 variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3dB Bandwidth | 250MHz at 2VPP output - supports full HD baseband video bandwidth without attenuation |
| Gain Flatness | ±0.1dB from DC to 120MHz - preserves chroma/luma amplitude fidelity across NTSC/PAL spectrum |
| Differential Gain / Phase | 0.01% / 0.01° at 4.43MHz - meets broadcast-grade video error limits for composite signal integrity |
| Slew Rate | 1800V/μs - enables clean transient response for fast-rising sync pulses and digital video edges |
| Supply Current | 22.5mA typical (±5V) - balances high-speed performance with moderate power in multi-channel systems |
| Output Drive | 70mA continuous into 100Ω - sustains signal integrity driving multiple 75Ω video lines or active filters |
| Harmonic Distortion | −58dBc HD2 / −70dBc HD3 at 20MHz - minimizes color artifacts and cross-luminance interference |
Pinout & Package
LMH6722MTX/NOPB is packaged in a 14-pin SOIC (Package Code D), with thermal resistance θJA = 130°C/W. Pin assignments are defined per Figure 5 and Figure 7 of SNOSA39G.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (Channel 1) | Current-feedback node; requires matched 180Ω source impedance for optimal stability |
| 2 | Non-Inverting Input (Channel 1) | High-impedance voltage-sensing node; 2MΩ input resistance, 1.0pF capacitance |
| 3 | Output (Channel 1) | Low-impedance (0.06Ω) driver capable of 70mA continuous current into 100Ω load |
| 4 | V− (Negative Supply) | Common return for all four channels; must be decoupled with local 0.1μF ceramic capacitor |
| 5 | Non-Inverting Input (Channel 2) | Independent high-Z input for second channel; identical specs to Pin 2 |
| 6 | Inverting Input (Channel 2) | Second current-feedback input; requires same RF/RG design rules as Pin 1 |
| 7 | Output (Channel 2) | Second independent output; fully isolated from Channel 1 in SOIC layout |
| 8 | NC | No internal connection; leave unconnected or tie to ground for mechanical stability |
| 9 | Output (Channel 3) | Third output channel; shares V− (Pin 4) and V+ (Pin 14) rails with other channels |
| 10 | Inverting Input (Channel 3) | Third current-feedback input; follows same feedback resistor guidelines as Pins 1 and 6 |
| 11 | Non-Inverting Input (Channel 3) | Third high-Z input; 1.2pA/√Hz input current noise, 8μV/°C offset drift |
| 12 | V+ (Positive Supply) | Common rail for all four amplifiers; requires dedicated 0.1μF bypass to ground near Pin 12 |
| 13 | Inverting Input (Channel 4) | Fourth current-feedback node; layout symmetry critical to minimize crosstalk (<−60dB @ 100MHz) |
| 14 | Non-Inverting Input (Channel 4) | Fourth high-Z input; fully specified for DC accuracy (±6mV offset, 48dB CMRR) |
Key Features
| Feature | Design Value |
|---|---|
| Current-feedback architecture | Enables constant 250MHz bandwidth across gains +1 to +6 V/V via RF tuning - unlike voltage-feedback op amps |
| 0.1dB gain flatness to 120MHz | Preserves relative amplitude of luminance (Y) and chrominance (C) components in composite video signals |
| 0.01% differential gain error | Prevents hue shifts and saturation loss in NTSC/PAL decoding stages under multi-load conditions |
| 1800V/μs slew rate | Supports <1.5ns rise time for 0.5V step - critical for sharp sync pulse reproduction in SDI/HDMI analog interfaces |
| Quad-channel integration | Reduces board space and inter-channel skew vs. discrete single-channel solutions in RGB or YUV processing paths |
| Unity-gain stable | Eliminates need for external compensation in buffer, gain-of-1, or active filter configurations |
Applications
| HDTV Component Video Distribution | Professional Broadcast Signal Routing |
|---|---|
Use Scenario: Driving RGB or YPbPr signals across multiple monitors or recording devices in studio environments. IC Role / Device Role / Timing Role: Quad-channel video buffer and level-shifter ensuring impedance-matched 75Ω drive with minimal group delay variation. Use Value: Maintains 0.01° differential phase across 120MHz to prevent color fringing during multi-display switching. |
Use Scenario: Real-time routing of composite NTSC/PAL feeds between cameras, switchers, and transmission encoders. IC Role / Device Role / Timing Role: High-fidelity video amplifier in distribution amplifiers (DAs) with back-terminated 75Ω outputs. Use Value: Delivers −70dBc HD3 distortion at 20MHz to suppress cross-color artifacts in analog broadcast chains. |
| Wideband Active Video Equalization | Multi-Channel Cable Driver for Security Systems |
Use Scenario: Compensating high-frequency loss in long coaxial runs (>100m) for CCTV or medical imaging video links. IC Role / Device Role / Timing Role: Programmable gain amplifier with RC-peaking network in feedback loop to invert cable roll-off. Use Value: Achieves flat frequency response up to 120MHz using on-chip 1800V/μs slew rate to avoid peaking-induced overshoot. |
Use Scenario: Simultaneous analog video transmission from 4-camera DVR inputs over RG59 coaxial cables. IC Role / Device Role / Timing Role: Quad-channel line driver with 70mA output capability per channel for 75Ω termination. Use Value: Sustains 0.01% differential gain across all four channels - essential for consistent image quality in multi-camera surveillance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wideband video amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6720MA/NOPB | Single-channel, includes TTL-compatible shutdown pin; 250MHz BW, 0.02% DG (vs. LMH6722's 0.01%) | Used in programmable gain amplifiers and multiplexers where channel enable/disable is required | Select when system-level power sequencing or analog switching functionality is needed per channel |
| LMH6714MA/NOPB | Single-channel, no shutdown; identical 0.01% DG/0.01° DP spec, but lower supply current (5.6mA vs. 22.5mA) | Preferred for cost-sensitive, space-constrained single-channel video buffers with fixed operation | Choose for simpler, lower-power single-amplifier designs where quad integration is unnecessary |
Compared with LMH6722MTX/NOPB, LMH6720MA/NOPB trades quad integration and superior differential gain for per-channel control, while LMH6714MA/NOPB offers matching video fidelity at lower quiescent power but requires four separate packages to replicate quad functionality - increasing PCB area and inter-channel skew.
Availability
LMH6722MTX/NOPB is available at Aetrix Electronics and suitable for HDTV component video distribution, professional broadcast signal routing, wideband active video equalization, and multi-channel cable driver applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for LMH6722MTX/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 high-performance signal chain solutions, with decades of expertise in video amplifier design and manufacturing.
The LMH6722MTX/NOPB belongs to TI's LMH67xx family of current-feedback video op amps, engineered specifically for broadcast-quality analog video signal conditioning - emphasizing differential gain/phase accuracy, wide bandwidth, and robust 75Ω drive capability.
FAQ
What is the maximum small-signal bandwidth of LMH6722MTX/NOPB at 2VPP output?
The LMH6722MTX/NOPB achieves a −3dB small-signal bandwidth of 250MHz when delivering a 2VPP output swing, as confirmed in the Electrical Characteristics table of TI's SNOSA39G datasheet. This bandwidth is maintained across all four channels simultaneously and supports full HD baseband video frequencies without attenuation.
Does LMH6722MTX/NOPB include a shutdown pin like LMH6720?
No, LMH6722MTX/NOPB does not include a shutdown pin. Unlike the LMH6720 variant, which features a TTL-compatible disable function on Pin 8 (in SOIC-8), the LMH6722MTX/NOPB is a quad-channel device in 14-pin SOIC with no dedicated shutdown terminal - all four amplifiers operate continuously when powered.
What package type and marking correspond to LMH6722MTX/NOPB?
LMH6722MTX/NOPB is supplied in a 14-pin SOIC package (TI package code D), tape-and-reel format (2500 units per reel), with RoHS-compliant matte tin (SN) lead finish and MSL Level-1 rating. The top-side marking is "LMH6722MA", as documented in TI's PACKAGE OPTION ADDENDUM.
Can LMH6722MTX/NOPB drive a 75Ω back-terminated load while maintaining 0.01% differential gain?
Yes - LMH6722MTX/NOPB is explicitly characterized for 0.01% differential gain and 0.01° differential phase at 4.43MHz into a 150Ω load (equivalent to two parallel 75Ω terminations), per the Electrical Characteristics table. TI confirms this performance holds for standard 75Ω back-terminated video systems when properly laid out with minimized parasitics.
What is the recommended feedback resistor value for LMH6722MTX/NOPB at gain = +2V/V?
For non-inverting gain of +2V/V, TI specifies a 300Ω feedback resistor (RF) as optimal for LMH6722MTX/NOPB - delivering near-maximal bandwidth (250MHz), excellent gain flatness (±0.1dB), and stable operation without peaking or ringing, as shown in Figure 31 and the APPLICATION SECTION of SNOSA39G.
LMH6722MTX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-TSSOP (0.173", 4.40mm 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-TSSOP
LMH6722MTX/NOPB FAQ
1.How can I place an order for LMH6722MTX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMH6722MTX/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 LMH6722MTX/NOPB reliable?
The price and inventory of LMH6722MTX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMH6722MTX/NOPB is usually 5 days.
3.What payment methods are accepted for LMH6722MTX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMH6722MTX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMH6722MTX/NOPB?
LMH6722MTX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMH6722MTX/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 LMH6722MTX/NOPB?
For technical support, including LMH6722MTX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMH6722MTX/NOPB requirements.
6.How does Aetrix verify that LMH6722MTX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMH6722MTX/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 LMH6722MTX/NOPB meets industry standards.
7.What is the process for return or replacement of LMH6722MTX/NOPB?
All LMH6722MTX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMH6722MTX/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 LMH6722MTX/NOPB part is unused and in its original packaging.
Return procedure for LMH6722MTX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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