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Texas Instruments LMH6714MA
- Part No.:
- LMH6714MA
- Manufacturer:
- Texas Instruments
- Category:
- Video Amps and Modules
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMH6714MA.pdf
- Description:
- IC AMP CURRENT FEEDBACK 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,045
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Product details
Overview
LMH6714MA from Texas Instruments is a single-channel, current-feedback video operational amplifier in an 8-pin SOIC package, delivering 400MHz small-signal bandwidth (AV = +2V/V, VOUT = 500mVPP), 1800V/μs slew rate, and 0.01% differential gain / 0.01° differential phase error for NTSC/PAL broadcast-quality video signal conditioning.
For engineers reviewing the LMH6714MA datasheet, LMH6714MA pinout, LMH6714MA application, or LMH6714MA equivalent, this page provides verified technical context, exact pin functionality, real-world video system use cases, and validated alternative options - all grounded in TI's SNOSA39G datasheet and official packaging data.
Technical Context
The LMH6714MA employs Texas Instruments' VIP10 high-speed complementary bipolar process with current-feedback topology, enabling wideband operation independent of closed-loop gain when paired with appropriate feedback resistors (e.g., 300Ω for AV = +2). It is unity-gain stable and optimized for non-inverting gains from +1V/V to +6V/V and inverting gains from −1V/V to −5V/V.
Unlike voltage-feedback op amps, its low-impedance inverting input (~180Ω) and high-impedance non-inverting input decouple bandwidth from gain setting, supporting flat 0.1dB gain response to 120MHz and low distortion (−58dBc HD2, −70dBc HD3 at 20MHz) into 100Ω loads with ±5V supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3dB Bandwidth | 400MHz at 500mVPP output - enables full HD baseband video signal amplification without attenuation |
| Slew Rate | 1800V/μs - supports fast transient response for composite sync pulses and digital video edges |
| Differential Gain / Phase | 0.01% / 0.01° at 4.43MHz - meets broadcast-grade NTSC/PAL fidelity requirements |
| Supply Current | 5.6mA typical (±5V) - balances high-speed performance with moderate power consumption |
| Input Voltage Noise | 3.4nV/√Hz >1MHz - preserves signal-to-noise ratio in low-level analog video paths |
| Output Current | 70mA continuous - drives back-terminated 75Ω video lines or multiple 150Ω loads |
| Gain Flatness | 0.1dB to 120MHz - ensures uniform amplitude response across entire SD/HD video spectrum |
Pinout & Package
LMH6714MA is housed in an 8-pin SOIC (Package D), with exposed pad not present. Pin functions are defined per TI's Figure 6 (top view) and confirmed in Electrical Characteristics tables.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NC | No internal connection - must be left unconnected or tied to ground per layout guidelines |
| 2 | Inverting Input (−IN) | Low-impedance node (~180Ω) - requires short trace routing and no added capacitance to maintain stability |
| 3 | Non-Inverting Input (+IN) | High-impedance input (>2MΩ) - sensitive to noise; guard ring recommended |
| 4 | V− | Negative supply rail (−5V typical) - bypassed with 0.1μF ceramic capacitor close to pin |
| 5 | Output | Capable of 70mA continuous drive into 100Ω - supports 75Ω back-terminated video loads |
| 6 | NC | No internal connection - must be left unconnected or tied to ground |
| 7 | V+ | Positive supply rail (+5V typical) - bypassed with 0.1μF ceramic capacitor close to pin |
| 8 | NC | No internal connection - must be left unconnected or tied to ground |
Key Features
| Feature | Design Value |
|---|---|
| Current-feedback architecture | Enables stable wideband operation across gains +1 to +6V/V without bandwidth trade-off |
| 0.1dB gain flatness to 120MHz | Preserves chroma/luma timing integrity in SD/HD composite video signals |
| 0.01% DG / 0.01° DP at 4.43MHz | Meets ITU-R BT.470 and SMPTE RP 168 broadcast video accuracy standards |
| 1800V/μs slew rate | Accurately reproduces sharp video edges and sync pulse rise/fall times ≤1.5ns |
| Unity-gain stable | Supports buffer configurations (RF = 600Ω) without external compensation |
Applications
| HDTV Video Distribution | NTSC/PAL Broadcast Equipment |
|---|---|
Use Scenario: Amplifying and distributing 1080i/720p component video signals across studio routers and monitor feeds. IC Role / Device Role / Timing Role: High-fidelity buffer and line driver maintaining sub-0.01% differential gain across 120MHz bandwidth. Use Value: Eliminates color shift and timing skew between RGB or YPbPr channels in multi-display environments. |
Use Scenario: Reconditioning legacy NTSC composite video signals before digitization or transmission. IC Role / Device Role / Timing Role: Precision video op amp operating at 4.43MHz color subcarrier with minimal phase delay. Use Value: Preserves hue and saturation fidelity critical for analog broadcast compliance testing and archival playback. |
| Video Switching Matrix | Coaxial Cable Equalization |
Use Scenario: Building low-crosstalk, high-isolation analog video switchers for security camera systems. IC Role / Device Role / Timing Role: Fast-settling (12ns to 0.05%) gain stage enabling clean channel transitions. Use Value: Prevents ghosting or smearing during real-time video source switching in surveillance control rooms. |
Use Scenario: Compensating high-frequency loss in long-run 75Ω coaxial cables (e.g., 150m CCTV runs). IC Role / Device Role / Timing Role: Programmable equalizer using RC networks in feedback path to boost HF content. Use Value: Restores digital video eye diagrams and reduces bit error rates without adding active delay stages. |
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 | Includes TTL-compatible shutdown pin; 6-pin SOT-23 or 8-pin SOIC; slightly higher DG (0.02%) | Required for power-gated video multiplexing or portable battery-powered gear | Select LMH6720MA only if shutdown functionality is needed; LMH6714MA offers superior video fidelity |
| THS3201D | Higher 1.8GHz bandwidth but higher 12.5mA supply current; 0.02% DG / 0.03° DP at 4.43MHz | Better suited for ultra-wideband test equipment than broadcast video where power and DG/DP are critical | Choose THS3201D for >500MHz signal chain needs; LMH6714MA remains optimal for cost-sensitive, low-power video systems |
Compared with LMH6720MA and THS3201D, the LMH6714MA delivers the best balance of broadcast-grade video accuracy (0.01% DG/DP), low 5.6mA quiescent current, and SOIC package compatibility - making it the preferred choice for fixed-function, high-fidelity video amplification where shutdown or GHz bandwidth is unnecessary.
Availability
LMH6714MA is available at Aetrix Electronics and suitable for HDTV distribution, broadcast equipment, video switching matrices, and coaxial equalization requiring stable component supply, full traceability, and long-term industrial availability.
Supply support for LMH6714MA 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 over 50 years of innovation in high-performance op amps and signal-conditioning ICs.
The LMH6714MA belongs to TI's LMH67xx wideband video op amp product line, designed specifically for broadcast-quality analog video signal integrity - emphasizing differential gain/phase accuracy, wide flat bandwidth, and robust drive capability into 75Ω loads.
FAQ
What is the maximum small-signal bandwidth of the LMH6714MA?
The LMH6714MA achieves a −3dB small-signal bandwidth of 400MHz at AV = +2V/V with VOUT = 500mVPP under ±5V supply conditions, as specified in TI's SNOSA39G datasheet. This bandwidth supports full baseband video signal amplification up to 120MHz with 0.1dB flatness, making it suitable for HD video applications where signal fidelity is critical. The LMH6714MA maintains this performance without requiring external compensation.
Does the LMH6714MA have a shutdown pin?
No, the LMH6714MA does not include a shutdown pin. That feature is exclusive to the LMH6720 variant (e.g., LMH6720MA), which adds a TTL-compatible disable function on Pin 6 of its 8-pin SOIC package. The LMH6714MA is a dedicated single-channel video op amp optimized for continuous operation, with no internal shutdown circuitry - confirmed by its pinout diagram (Figure 6) and absence of shutdown-related parameters in its Electrical Characteristics table.
What feedback resistor value is recommended for LMH6714MA at AV = +2V/V?
Texas Instruments specifies a 300Ω feedback resistor (RF) for the LMH6714MA at AV = +2V/V with ±5V supplies, as documented in the Electrical Characteristics table and Figure 31 of SNOSA39G. This value delivers near-maximal bandwidth, optimal gain flatness, and stable operation. Using RF = 600Ω is required only in unity-gain buffer configurations. Deviating significantly from 300Ω risks peaking, ringing, or oscillation due to the current-feedback architecture's sensitivity to RF selection.
Can the LMH6714MA drive a 75Ω back-terminated video load?
Yes, the LMH6714MA is explicitly characterized to drive 75Ω back-terminated video loads, delivering 0.01% differential gain and 0.01° differential phase error at 4.43MHz - meeting broadcast NTSC/PAL specifications. Its 70mA continuous output current and low 0.06Ω closed-loop output resistance ensure stable termination without signal reflection or amplitude droop. TI's Typical Performance plots (Figures 1–2) and Applications section confirm this capability with RL = 150Ω (two parallel 75Ω loads) and direct 75Ω references.
Is the LMH6714MA unity-gain stable?
Yes, the LMH6714MA is unity-gain stable, as stated in the Features section and validated by TI's buffer configuration requirement (RF = 600Ω for AV = 1). Its current-feedback architecture inherently supports stable operation down to AV = +1V/V without external compensation components. This is distinct from many voltage-feedback op amps that require minimum gain constraints - making the LMH6714MA suitable for precision video buffering applications where gain = 1 is essential.
LMH6714MA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- VIP10™
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- Current Feedback
- Output Type:
- -
- Number of Circuits:
- 1
- -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:
- 8-SOIC
LMH6714MA FAQ
1.How can I place an order for LMH6714MA through Aetrix?
Please submit a Request for Quotation (RFQ) for LMH6714MA 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 LMH6714MA reliable?
The price and inventory of LMH6714MA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMH6714MA is usually 5 days.
3.What payment methods are accepted for LMH6714MA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMH6714MA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMH6714MA?
LMH6714MA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMH6714MA 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 LMH6714MA?
For technical support, including LMH6714MA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMH6714MA requirements.
6.How does Aetrix verify that LMH6714MA is sourced from the original manufacturer or authorized distributors?
All LMH6714MA 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 LMH6714MA meets industry standards.
7.What is the process for return or replacement of LMH6714MA?
All LMH6714MA units undergo pre-shipment inspection (PSI). If there is an issue with LMH6714MA, 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 LMH6714MA part is unused and in its original packaging.
Return procedure for LMH6714MA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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