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Texas Instruments LMH6723 MWC
- Part No.:
- LMH6723 MWC
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- Die
- Datasheet:
-
LMH6723 MWC.pdf
- Description:
- IC OPAMP CFA 1 CIRCUIT WAFERSALE
- Quantity:
- Payment:
- Shipping:
Inventory:4,294
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Product details
Overview
LMH6723 MWC from Texas Instruments is a single-channel, current-feedback operational amplifier optimized for high-speed video and portable analog signal paths. It delivers 370 MHz unity-gain bandwidth (−3 dB), 600 V/μs slew rate, and 110 mA linear output current while consuming only 1 mA supply current from ±5 V supplies. Its 0.03% differential gain and 0.11° differential phase meet NTSC/PAL video line driver requirements.
For engineers reviewing the LMH6723 MWC datasheet, LMH6723 MWC pinout, LMH6723 MWC application, or LMH6723 MWC equivalent, this page provides verified specifications, SOT-23 and SOIC package mapping, video-grade AC performance metrics, and validated alternatives for portable A/D driver, line driver, and portable DVD system designs.
Technical Context
The LMH6723 MWC employs Texas Instruments' VIP10 complementary bipolar process to achieve current-feedback architecture with low input impedance at the inverting node (~500 Ω) and high-impedance non-inverting input (~100 kΩ). Its bandwidth remains stable across gains of +1 to +5 V/V when using appropriate feedback resistors (e.g., 1.2 kΩ at AV = +2).
It operates from ±2.5 V to ±6 V (4.5–12 V single-supply), supports rail-to-rail output swing into 100 Ω loads (±3.5 V), and maintains 0.1 dB gain flatness to 100 MHz - enabling direct interface with ADC inputs, coaxial video lines, and high-resolution portable display drivers without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-Gain Bandwidth | 370 MHz (−3 dB, AV = 1, VOUT = 0.5 VPP): enables wideband baseband signal amplification up to UHF frequencies. |
| Slew Rate | 600 V/μs (4 V step): supports fast transient response for composite video sync pulses and high-speed data acquisition. |
| Differential Gain / Phase | 0.03% / 0.11° (NTSC, 4.43 MHz, RL = 150 Ω): meets broadcast-grade video fidelity requirements without post-correction. |
| Supply Current | 1.2 mA typical (±5 V, RL = ∞): allows battery-powered operation in portable DVD players and handheld test equipment. |
| Output Current | ±110 mA linear sourcing/sinking (VOUT = 0): drives 75 Ω coaxial cables or 100 Ω ADC front-ends directly. |
| Input Voltage Range | ±4.0 V common-mode (CMRR > 50 dB): accommodates DC-coupled video signals and wide-swing sensor interfaces. |
| Gain Flatness | 0.1 dB to 100 MHz: ensures minimal amplitude distortion across HD video bandwidth (e.g., 720p/1080i baseband). |
Pinout & Package
LMH6723 MWC is available in two industry-standard packages: 5-pin SOT-23 (DBV, 2.90 mm × 1.60 mm) and 8-pin SOIC (D08A, 4.90 mm × 3.91 mm). Both variants share identical pin functions and electrical behavior.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (SOT-23) / 1 (SOIC) | OUTPUT | Amplifier output node; capable of ±110 mA linear drive into 100 Ω loads with <30 ns settling to 0.05%. |
| 2 (SOT-23) / 4 (SOIC) | V− | Negative supply terminal; accepts −2.5 V to −6 V; no internal ground reference enables true dual- or single-supply operation. |
| 3 (SOT-23) / 3 (SOIC) | +IN | Non-inverting input; high-impedance (100 kΩ), low capacitance (1.5 pF); used for signal reference in follower or non-inverting configurations. |
| 4 (SOT-23) / 2 (SOIC) | −IN | Inverting input; low-impedance (~500 Ω), current-driven node; requires matched RF feedback resistor (e.g., 1.2 kΩ at AV = +2). |
| 5 (SOT-23) / 5 (SOIC) / 7 (SOIC) / 8 (SOIC) | N/C | No-connect terminals; electrically isolated; must remain unconnected per TI design guidelines to avoid parasitic coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Current-feedback architecture | Enables constant bandwidth vs. gain setting via RF selection-unlike voltage-feedback op amps-reducing layout sensitivity in high-frequency PCBs. |
| 0.1 dB gain flatness to 100 MHz | Preserves amplitude integrity across full HD video baseband (0–75 MHz), eliminating need for external equalization in line drivers. |
| Single-supply operation (4.5–12 V) | Supports direct integration into 5 V or 3.3 V embedded systems without charge pumps or level shifters. |
| Low 1.2 mA quiescent current | Extends battery life in portable video recorders and handheld oscilloscopes where thermal dissipation is constrained. |
| NTSC/PAL-qualified video performance | Validated 0.03% DG / 0.11° DP eliminates post-processing calibration in consumer video encoders and HDMI transmitter analog stages. |
Applications
| Line Driver | A/D Driver |
|---|---|
|
Use Scenario: Driving 75 Ω coaxial cable from FPGA video DAC output to external monitor input in portable media player. IC Role / Device Role / Timing Role: High-fidelity buffer with minimal group delay variation; maintains pixel clock integrity and chroma/luma separation. Use Value: 0.03% differential gain prevents color saturation error; 370 MHz bandwidth preserves edge sharpness in 1080p RGB signals. |
Use Scenario: Conditioning analog sensor output before 12-bit, 50 MSPS ADC in portable ultrasound front-end. IC Role / Device Role / Timing Role: Wideband gain stage with fast settling (30 ns to 0.05%) and low noise (4.3 nV/√Hz) for time-of-flight accuracy. Use Value: 110 mA output current drives ADC input capacitance directly; 600 V/μs slew rate avoids aperture uncertainty in sampling window. |
| Portable Video | Portable DVD |
|
Use Scenario: Amplifying composite video (CVBS) signal in handheld gaming console with integrated TV-out. IC Role / Device Role / Timing Role: NTSC-optimized line driver with DC-coupled input and rail-to-rail output swing into 150 Ω load. Use Value: 0.11° differential phase prevents hue shift during motion; 1 mA supply current extends gameplay time on single-cell Li-ion battery. |
Use Scenario: Buffering Y/C (luminance/chrominance) signals from DVD decoder ASIC to analog video encoder IC. IC Role / Device Role / Timing Role: Dual-path signal conditioner with matched gain/phase response across luminance and chroma channels. Use Value: 0.1 dB gain flatness to 100 MHz ensures consistent resolution across full SD/ED video spectrum; SOT-23 footprint saves board space. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed current-feedback amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6720MA/NOPB | Lower 200 MHz unity-gain bandwidth; 400 V/μs slew rate; 2.5 mA supply current. | Better suited for cost-sensitive, lower-bandwidth video systems (e.g., VGA line drivers) where 370 MHz is unnecessary. | Select LMH6720MA/NOPB when power budget allows higher ICC and bandwidth requirement is ≤200 MHz. |
| THS3201DGNR | Higher 1.8 GHz small-signal bandwidth; 4700 V/μs slew rate; 12 mA supply current; SOIC-8 only. | Targeted at RF IF amplification and ultra-high-speed test equipment-not optimized for NTSC/PAL video specs. | Choose THS3201DGNR only when >1 GHz bandwidth and >4000 V/μs slew are required; not recommended for video fidelity-critical use. |
Compared with LMH6723 MWC, LMH6720MA/NOPB trades bandwidth and power efficiency for lower cost and broader availability, while THS3201DGNR delivers extreme speed at significantly higher supply current and without video-grade differential gain/phase validation.
Availability
LMH6723 MWC is available at Aetrix Electronics and suitable for portable video, A/D driver, and line driver applications requiring stable component supply, long-term industrial lifecycle support, and guaranteed traceable sourcing.
Supply support for LMH6723 MWC 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 chain solutions.
The LMH6723 MWC belongs to TI's LMH high-speed current-feedback amplifier family, designed specifically for portable, battery-powered video and instrumentation systems demanding wide bandwidth, low power, and broadcast-grade signal fidelity.
FAQ
What is the maximum operating supply voltage for LMH6723 MWC?
The LMH6723 MWC supports a total supply voltage range of ±6.75 V (V+ − V−), corresponding to 4.5 V to 12 V single-supply operation. Absolute maximum ratings specify ±6.75 V across V+ and V− pins; exceeding this risks permanent damage. Recommended operation is ±2.5 V to ±6 V, with optimal video performance at ±5 V per TI's characterization data.
Does LMH6723 MWC require external compensation for stability?
No, the LMH6723 MWC is unity-gain stable and does not require external compensation capacitors. Stability is maintained by selecting the correct feedback resistor (e.g., 1.2 kΩ for AV = +2); reducing RF below recommended values may cause peaking or oscillation. TI's datasheet confirms unconditional stability under all tested gain conditions with proper RF selection.
Can LMH6723 MWC drive a 75 Ω coaxial cable directly?
Yes, LMH6723 MWC can drive 75 Ω loads directly: its 110 mA linear output current and ±3.5 V swing into 100 Ω (per datasheet) scale to ~±2.6 V into 75 Ω with <0.1 dB gain error. For optimal video performance, TI recommends series termination (e.g., 24 Ω) at the output to match 75 Ω cable impedance and minimize reflections.
What is the input bias current polarity and magnitude for LMH6723 MWC?
The LMH6723 MWC exhibits bipolar input stage behavior: inverting input bias current (IBI) is typically +0.4 µA (sourcing), while non-inverting input bias current (IBN) is typically −2 µA (sinking), both measured at ±5 V supply. These values are confirmed in Section 6.5 of the SNOSA83I datasheet and remain stable across temperature.
Is LMH6723 MWC pin-compatible with LMH6724?
No, LMH6723 MWC is not pin-compatible with LMH6724. The LMH6723 is a single-channel device in 5-pin SOT-23 or 8-pin SOIC, whereas LMH6724 is a dual-channel device in 8-pin SOIC with different pin assignments (e.g., separate IN+/IN−/OUT for Channel A and B). Pin mapping, package count, and channel count differ fundamentally between the two parts.
LMH6723 MWC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- Die
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- Current Feedback
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 600V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 370 MHz
- Current - Input Bias:
- 2 µA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 1mA
- Current - Output / Channel:
- 110 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Wafersale
LMH6723 MWC FAQ
1.How can I place an order for LMH6723 MWC through Aetrix?
Please submit a Request for Quotation (RFQ) for LMH6723 MWC 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 LMH6723 MWC reliable?
The price and inventory of LMH6723 MWC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMH6723 MWC is usually 5 days.
3.What payment methods are accepted for LMH6723 MWC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMH6723 MWC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMH6723 MWC?
LMH6723 MWC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMH6723 MWC 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 LMH6723 MWC?
For technical support, including LMH6723 MWC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMH6723 MWC requirements.
6.How does Aetrix verify that LMH6723 MWC is sourced from the original manufacturer or authorized distributors?
All LMH6723 MWC 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 LMH6723 MWC meets industry standards.
7.What is the process for return or replacement of LMH6723 MWC?
All LMH6723 MWC units undergo pre-shipment inspection (PSI). If there is an issue with LMH6723 MWC, 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 LMH6723 MWC part is unused and in its original packaging.
Return procedure for LMH6723 MWC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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