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Texas Instruments LMH6714MF/NOPB
- Part No.:
- LMH6714MF/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Video Amps and Modules
- Package:
- SC-74A, SOT-753
- Datasheet:
-
LMH6714MF/NOPB.pdf
- Description:
- IC AMP CURRENT FEEDBACK SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,206
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Product details
Overview
LMH6714MF/NOPB from Texas Instruments is a single-channel, current-feedback video operational amplifier in 5-pin SOT-23 package, delivering 400MHz small-signal bandwidth at AV = +2V/V, 1800V/μs slew rate, and 0.01% differential gain error-optimized for NTSC/PAL broadcast-quality video signal conditioning in compact portable systems.
For engineers reviewing the LMH6714MF/NOPB datasheet, LMH6714MF/NOPB pinout, LMH6714MF/NOPB application, or LMH6714MF/NOPB equivalent, key selection criteria include its 5-pin SOT-23 footprint, unity-gain stability, 5.6mA supply current, 0.1dB gain flatness to 120MHz, and absence of shutdown functionality (distinguishing it from LMH6720).
Technical Context
The LMH6714MF/NOPB employs TI's 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). Its input stage features ~180Ω inverting-input impedance and low 3.4nV/√Hz voltage noise.
It operates from ±4V to ±6.25V supplies, delivers ±3.8V output swing into 100Ω, supports unity-gain stable configurations, and achieves 0.01° differential phase error driving 150Ω video loads-critical for composite video fidelity without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3dB Bandwidth | 400MHz at AV = +2V/V, VOUT = 500mVPP - enables full HD baseband video passband without attenuation |
| Slew Rate | 1800V/μs - supports fast transient response for sharp video edges and sync pulses |
| Differential Gain Error | 0.01% at 4.43MHz, RL = 150Ω - preserves color saturation accuracy in NTSC systems |
| Supply Current | 5.6mA typical at ±5V - balances performance and power efficiency in space-constrained designs |
| Input Voltage Noise | 3.4nV/√Hz >1MHz - minimizes added noise in low-level analog video paths |
| Gain Flatness | 0.1dB to 120MHz - ensures uniform amplitude response across SD/HD video spectrum |
| Output Current | 70mA continuous - drives back-terminated 75Ω coaxial lines or multiple video loads |
Pinout & Package
LMH6714MF/NOPB is housed in a 5-pin SOT-23 (DBV) package with exposed pad for thermal enhancement. Pin 1 is V+, Pin 2 is −IN, Pin 3 is +IN, Pin 4 is V−, and Pin 5 is OUTPUT. No shutdown pin is present-this distinguishes it from LMH6720 variants.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (V+) | Positive Supply Rail | Accepts +4V to +6.25V; requires local 0.1μF ceramic bypass to ground |
| 2 (−IN) | Inverting Input | Low-impedance node (~180Ω); connects to feedback network; sensitive to layout parasitics |
| 3 (+IN) | Non-Inverting Input | High-impedance input (2MΩ); sets reference for DC bias and common-mode level |
| 4 (V−) | Negative Supply Rail | Accepts −4V to −6.25V; requires symmetric bypassing to match V+ |
| 5 (OUTPUT) | Amplified Output | Capable of ±3.8V swing into 100Ω; drives 75Ω back-terminated video lines directly |
Key Features
| Feature | Design Value |
|---|---|
| Current-feedback architecture | Enables stable wideband operation across gains +1 to +6V/V without internal compensation |
| 0.01% / 0.01° DG/DP | Meets broadcast-grade NTSC/PAL video fidelity requirements with minimal color distortion |
| Unity-gain stable | Operates reliably at AV = +1 without external compensation-ideal for buffer and cable driver roles |
| Low 3.4nV/√Hz input noise | Preserves SNR in analog video chains where signal levels are sub-1Vpp |
| 70mA output drive | Supports driving multiple 75Ω video loads or long coaxial cables without external buffers |
Applications
| HDTV Signal Conditioning | Video Switching Matrix |
|---|---|
Use Scenario: Amplifying and buffering component YPbPr or RGB signals in HDTV receivers before DAC or display interface. IC Role / Device Role / Timing Role: Unity-gain buffer with ultra-low DG/DP and 400MHz bandwidth to preserve chroma/luma timing integrity. Use Value: Maintains EIA-770.3 color fidelity over full 30MHz video bandwidth without post-processing correction. | Use Scenario: Routing multiple SD/HD video sources to shared display outputs in broadcast switchers or AV distribution hubs. IC Role / Device Role / Timing Role: High-isolation, low-delay gain stage isolating source impedance and preventing crosstalk between channels. Use Value: 70mA drive capability allows direct connection to 75Ω transmission lines without line drivers or termination mismatches. |
| Coaxial Cable Driver | Wideband Active Filter |
Use Scenario: Driving 50–150m RG-6 coaxial runs from camera headends to monitoring stations in security or medical imaging systems. IC Role / Device Role / Timing Role: Back-terminated line driver compensating for high-frequency loss while preserving rise time. Use Value: 1800V/μs slew rate ensures <2.6ns rise time on 2V steps-critical for maintaining digital video eye opening. | Use Scenario: Implementing 2nd- or 3rd-order low-pass or band-pass filters in test equipment front-ends or spectrum analyzers. IC Role / Device Role / Timing Role: Current-feedback op amp configured as MFB or Delyiannis-Friend topology for flat group delay. Use Value: 0.5° linear phase deviation to 120MHz enables minimal phase distortion in measurement-grade filtering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar video amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6720MF/NOPB | Includes TTL-compatible shutdown pin (SD), 6-pin SOT-23, 500μA shutdown current, 11ns turn-on time | Required where power gating or multiplexing of video paths is needed; not pin-compatible due to extra SD pin | Select LMH6720MF/NOPB only if active shutdown control is mandatory; LMH6714MF/NOPB offers smaller footprint and lower quiescent current in always-on designs |
| THS3201DR | Higher 1.8GHz GBW, 4000V/μs slew, but higher 12.5mA supply current and no specified DG/DP performance | Better suited for RF IF amplification or pulse applications; lacks video-optimized distortion specs for broadcast use | Choose THS3201DR for non-video wideband gain stages requiring >1GHz bandwidth; LMH6714MF/NOPB remains preferred for NTSC/PAL compliance |
Compared with LMH6720MF/NOPB, LMH6714MF/NOPB saves board area and eliminates shutdown logic overhead; versus THS3201DR, it trades raw speed for verified video fidelity, lower power, and guaranteed differential gain/phase performance.
Availability
LMH6714MF/NOPB is available at Aetrix Electronics and suitable for HDTV signal conditioning, video switching matrices, and coaxial cable driver applications requiring stable component supply, consistent parametric performance, and long-term industrial availability.
Supply support for LMH6714MF/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 analog ICs for industrial, automotive, and communications markets.
The LMH6714MF/NOPB belongs to TI's LMH67xx wideband video op amp family, designed specifically for broadcast-quality analog video signal integrity-including differential gain/phase accuracy, flat frequency response, and robust drive capability into 75Ω loads.
FAQ
What is the maximum recommended feedback resistor value for LMH6714MF/NOPB at AV = +2V/V?
The LMH6714MF/NOPB is characterized and optimized with a 300Ω feedback resistor at AV = +2V/V and ±5V supplies. Using 300Ω provides near-maximal bandwidth (400MHz), excellent gain flatness (0.1dB to 120MHz), and stable operation. Lower values (e.g., 147Ω) cause peaking; higher values (e.g., 400Ω) reduce bandwidth slightly but improve phase margin. The LMH6714MF/NOPB buffer configuration requires 600Ω for stability.
Does LMH6714MF/NOPB support single-supply operation?
Yes, LMH6714MF/NOPB supports single-supply operation within its specified supply range of 8V to 12.5V total (e.g., 0V to +12V). Input common-mode range extends to ±VCC, and output swing reaches ±3.4V into 100Ω with split supplies or rail-to-rail compatible DC biasing under single supply. Proper input biasing and AC coupling are required to maintain linearity and avoid clipping in single-supply configurations.
Is LMH6714MF/NOPB pin-compatible with LMH6720MF/NOPB?
No, LMH6714MF/NOPB is not pin-compatible with LMH6720MF/NOPB. LMH6714MF/NOPB uses a 5-pin SOT-23 (DBV) package with pins V+, −IN, +IN, V−, OUTPUT. LMH6720MF/NOPB uses a 6-pin SOT-23 (DBV) package adding a dedicated shutdown (SD) pin. PCB layout, footprint, and routing must be redesigned to accommodate the extra pin and associated control logic when substituting between these variants.
What is the thermal resistance θJA for LMH6714MF/NOPB in SOT-23 package?
The thermal resistance from junction to ambient (θJA) for LMH6714MF/NOPB in the 5-pin SOT-23 (DBV) package is 232°C/W, as specified in the Operating Ratings table. This value assumes standard JEDEC 2-layer board conditions. Actual thermal performance depends on PCB copper area, via count under the exposed pad, and airflow. For sustained 70mA output current, junction temperature must remain below 150°C-requiring careful thermal design at elevated ambient temperatures.
Can LMH6714MF/NOPB drive a 75Ω back-terminated load directly?
Yes, LMH6714MF/NOPB is explicitly characterized and qualified to drive 75Ω back-terminated video loads, achieving 0.01% differential gain and 0.01° differential phase error at 4.43MHz. Its 70mA continuous output current and ±3.8V output swing into 100Ω ensure robust performance into 75Ω with proper termination. Layout best practices-short traces, minimized feedback loop area, and local bypassing-are essential to maintain this performance in production designs.
LMH6714MF/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- SC-74A, SOT-753
- Series:
- VIP10™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- SOT-23-5
LMH6714MF/NOPB FAQ
1.How can I place an order for LMH6714MF/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMH6714MF/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 LMH6714MF/NOPB reliable?
The price and inventory of LMH6714MF/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMH6714MF/NOPB is usually 5 days.
3.What payment methods are accepted for LMH6714MF/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMH6714MF/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMH6714MF/NOPB?
LMH6714MF/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMH6714MF/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 LMH6714MF/NOPB?
For technical support, including LMH6714MF/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMH6714MF/NOPB requirements.
6.How does Aetrix verify that LMH6714MF/NOPB is sourced from the original manufacturer or authorized distributors?
All LMH6714MF/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 LMH6714MF/NOPB meets industry standards.
7.What is the process for return or replacement of LMH6714MF/NOPB?
All LMH6714MF/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMH6714MF/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 LMH6714MF/NOPB part is unused and in its original packaging.
Return procedure for LMH6714MF/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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