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Texas Instruments LMH6601MGX/NOPB
- Part No.:
- LMH6601MGX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
LMH6601MGX/NOPB.pdf
- Description:
- IC OPAMP VFB 1 CIRCUIT SC70-6
- Quantity:
- Payment:
- Shipping:
Inventory:1,857
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Product details
Overview
LMH6601MGX/NOPB from Texas Instruments is a 250-MHz, 2.4-V to 5.5-V single-supply CMOS operational amplifier with rail-to-rail output and micropower shutdown, delivering 125 MHz small-signal bandwidth at gain +2, 260 V/μs slew rate, and 0.25%/0.25° differential gain/phase - optimized for HDTV line driver, transimpedance amplifier, and high-impedance buffer applications.
For engineers reviewing the LMH6601MGX/NOPB datasheet, LMH6601MGX/NOPB pinout, LMH6601MGX/NOPB application, or LMH6601MGX/NOPB equivalent, key selection criteria include low-voltage operation (2.4 V), shutdown functionality, 100 mA output drive capability, 50 pA max input bias current, and SC70-6 package compatibility in space-constrained video and industrial signal conditioning designs.
Technical Context
The LMH6601MGX/NOPB employs a voltage-feedback architecture with fully differential input stage and Class AB output stage, enabling stable operation at gains ≥ +1 with 150 Ω load. Its shutdown control (Pin 5) uses CMOS-compatible logic thresholds (VDMIN = 2.43 V @ 2.7 V supply; VDMAX = 0.27 V) and achieves >100 MΩ output isolation during disable.
It supports rail-to-rail output swing within 20 mV of rails (at 150 Ω load), maintains 30 MHz 0.1-dB gain flatness, and delivers 75 MHz large-signal bandwidth (2 VPP) - critical for composite video and fast-settling sample-and-hold circuits where distortion and settling time directly impact fidelity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-Signal BW | 125 MHz at AV = +2, 0.25 VPP, 150 Ω load - enables full HD (1080i/720p) baseband video amplification without attenuation. |
| Slew Rate | 260 V/μs - supports ≤2 ns rise/fall times for 0.25-V steps, minimizing transient distortion in fast-switching systems. |
| Supply Range | 2.4 V to 5.5 V single supply - allows direct integration into 3.3 V and 2.5 V logic domains without level-shifting. |
| Input Bias Current | 50 pA max - preserves high-impedance node integrity in photodiode transimpedance and precision sensor interfaces. |
| Shutdown Current | 100 nA - reduces system standby power by >99% vs. active mode (11 mA), essential for battery-powered portable video gear. |
| Differential Gain/Phase | 0.25% / 0.25° at 4.43 MHz - meets NTSC/PAL broadcast-grade video linearity requirements for set-top boxes and capture cards. |
| Output Drive | 100 mA continuous - drives dual 75 Ω video lines or 150 Ω loads while maintaining rail-to-rail swing and low THD. |
Pinout & Package
LMH6601MGX/NOPB is housed in a 6-pin SC70 package (2.00 mm × 1.25 mm body size), optimized for high-density PCB layouts in portable and automotive infotainment modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUTPUT) | Amplifier output | Delivers rail-to-rail voltage swing; capable of sourcing/sinking ±100 mA; high isolation (>100 MΩ) when shutdown asserted. |
| 2 (V−) | Negative supply | Ground reference for single-supply operation; accepts 0 V (GND) or negative rail; must be decoupled with 0.1 μF ceramic capacitor. |
| 3 (+IN) | Noninverting input | High-impedance (10–20 TΩ) node; 50 pA max bias current enables direct connection to high-Z sensors or passive filters. |
| 4 (−IN) | Inverting input | Feedback node for closed-loop configurations; matched to +IN for optimal CMRR (≥57 dB); sensitive to parasitic capacitance. |
| 5 (SD) | Shutdown control | CMOS-compatible digital input; <0.27 V disables amplifier (100 nA ICC); >2.43 V enables (11 mA ICC @ 2.7 V). |
| 6 (V+) | Positive supply | Accepts 2.4–5.5 V; requires local 0.1 μF ceramic bypass capacitor; PSRR ≥56 dB ensures noise rejection from noisy DC/DC supplies. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Swings within 20 mV of V+ and V− at 150 Ω load - eliminates need for level-shifting in single-supply video signal chains. |
| Micropower shutdown | Reduces supply current from 11 mA to 100 nA - enables dynamic power gating in multi-channel video processors. |
| Low input bias current | 50 pA maximum - minimizes offset drift and loading error in high-impedance transimpedance amplifiers (e.g., photodiode front-ends). |
| Video-optimized linearity | 0.25% DG / 0.25° DP at 4.43 MHz - satisfies broadcast video standards without external compensation networks. |
| Wide supply range | Operates from 2.4 V to 5.5 V - supports direct interface with 2.5 V, 3.3 V, and 5 V microcontrollers and FPGAs. |
Applications
| Video Line Driver | Transimpedance Amplifier |
|---|---|
|
Use Scenario: Driving dual 75 Ω coaxial cables from an HDMI or analog video processor in a set-top box. IC Role / Device Role / Timing Role: High-speed, low-distortion buffer with rail-to-rail output swing and 0.25% differential gain accuracy. Use Value: Maintains NTSC/PAL color fidelity across full 0–4.43 MHz bandwidth without external peaking or gain-setting resistors. |
Use Scenario: Converting photocurrent from a low-light photodiode into a precise voltage signal in medical pulse oximetry. IC Role / Device Role / Timing Role: Low-input-bias-current, low-noise (7 nV/√Hz) transimpedance amplifier with wide bandwidth. Use Value: Enables sub-picoampere current resolution and <10 ns step response due to 125 MHz bandwidth and 50 pA IB. |
| Sample-and-Hold Circuit | High-Impedance Buffer |
|
Use Scenario: Capturing fast analog waveforms in portable oscilloscopes or data acquisition systems with 100 MS/s sampling. IC Role / Device Role / Timing Role: Fast-settling (±0.02% in 220 ns @ 5 V), low-glitch (1.2 V turn-on) hold amplifier. Use Value: Reduces aperture uncertainty and droop error via 260 V/μs slew rate and 100 mA output drive into 100 pF hold capacitors. |
Use Scenario: Isolating high-impedance sensor outputs (e.g., pH electrode, thermocouple cold-junction) from ADC input loading. IC Role / Device Role / Timing Role: Unity-gain stable buffer with 20 TΩ input resistance and 0.25 mV max VIO drift over temperature. Use Value: Preserves signal integrity and eliminates measurement error caused by source impedance mismatch or cable capacitance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6609MF/NOPB | Higher bandwidth (450 MHz small-signal), no shutdown, SOT-23-5 package | Lacks micropower shutdown and rail-to-rail output; better suited for fixed-gain RF IF amplification than video line driving | Select when shutdown and rail-to-rail output are unnecessary and higher speed justifies larger quiescent current (15 mA) |
| OPA355DGKR | Lower bandwidth (200 MHz), rail-to-rail I/O, 6-pin SC70, no shutdown | Missing shutdown function; lower output drive (60 mA); higher input bias current (1 pA typical but not guaranteed max) | Choose for cost-sensitive, non-shutdown applications requiring rail-to-rail input and output with moderate video performance |
Compared with LMH6601MGX/NOPB, LMH6609MF/NOPB trades shutdown capability and rail-to-rail output for higher bandwidth and faster settling, while OPA355DGKR offers rail-to-rail I/O at lower speed and without shutdown - making LMH6601MGX/NOPB uniquely balanced for low-voltage, low-power, broadcast-grade video buffering.
Availability
LMH6601MGX/NOPB is available at Aetrix Electronics and suitable for video line drivers, transimpedance amplifiers, sample-and-hold circuits, and high-impedance buffers requiring stable component supply across industrial, medical, and consumer electronics programs.
Supply support for LMH6601MGX/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-amps and precision signal chain solutions.
The LMH6601MGX/NOPB belongs to TI's high-speed, low-voltage op-amp product line, designed specifically for broadcast-quality video signal conditioning, portable instrumentation, and low-power industrial sensing where bandwidth, linearity, and supply flexibility are critical.
FAQ
What is the minimum supply voltage for reliable operation of the LMH6601MGX/NOPB?
The LMH6601MGX/NOPB is specified for continuous operation down to 2.4 V supply voltage. At 2.7 V, it delivers 120 MHz small-signal bandwidth and 73 MHz large-signal bandwidth - sufficient for SDTV and many portable video applications. Operation below 2.4 V is not characterized and may result in degraded gain, bandwidth, or output swing.
Does the LMH6601MGX/NOPB support rail-to-rail input?
No, the LMH6601MGX/NOPB features rail-to-rail output only. Its input common-mode voltage range is specified as V− – 0.20 V to V+ – 1.5 V (e.g., 0 V to 3.5 V at 5 V supply). It does not accept inputs within 1.5 V of V+, limiting use in true rail-to-rail input applications such as single-supply sensor front-ends requiring full-scale input swing.
How does shutdown affect output isolation in the LMH6601MGX/NOPB?
When shutdown is asserted (SD ≤ 0.27 V @ 2.7 V), the LMH6601MGX/NOPB disables its output stage and achieves >100 MΩ output resistance and 60 dB off-isolation at 1 MHz. This prevents signal coupling into downstream circuitry and eliminates loading on feedback networks, preserving signal integrity in multiplexed or shared-bus architectures.
Can the LMH6601MGX/NOPB drive a 75 Ω load directly in video applications?
Yes - the LMH6601MGX/NOPB is explicitly characterized driving 150 Ω loads (equivalent to two parallel 75 Ω cables) with 0.25% differential gain and 0.25° differential phase at 4.43 MHz. Its 100 mA output current capability and rail-to-rail swing ensure compliant 1 VPP video levels into standard broadcast impedances without external gain-setting resistors.
What is the typical input voltage noise of the LMH6601MGX/NOPB and how does it vary with frequency?
The LMH6601MGX/NOPB exhibits 7 nV/√Hz input voltage noise above 10 MHz and 10 nV/√Hz at 1 MHz. This flat, low-noise profile supports high-fidelity signal amplification across video and wideband sensor applications. Input current noise remains constant at 50 fA/√Hz above 1 MHz, making it suitable for both voltage- and current-sensing topologies.
LMH6601MGX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 275V/µs
- Gain Bandwidth Product:
- 155 MHz
- -3db Bandwidth:
- 250 MHz
- Current - Input Bias:
- 5 pA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 9.6mA
- Current - Output / Channel:
- 180 mA
- Voltage - Supply Span (Min):
- 2.4 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-6
LMH6601MGX/NOPB FAQ
1.How can I place an order for LMH6601MGX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMH6601MGX/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 LMH6601MGX/NOPB reliable?
The price and inventory of LMH6601MGX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMH6601MGX/NOPB is usually 5 days.
3.What payment methods are accepted for LMH6601MGX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMH6601MGX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMH6601MGX/NOPB?
LMH6601MGX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMH6601MGX/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 LMH6601MGX/NOPB?
For technical support, including LMH6601MGX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMH6601MGX/NOPB requirements.
6.How does Aetrix verify that LMH6601MGX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMH6601MGX/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 LMH6601MGX/NOPB meets industry standards.
7.What is the process for return or replacement of LMH6601MGX/NOPB?
All LMH6601MGX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMH6601MGX/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 LMH6601MGX/NOPB part is unused and in its original packaging.
Return procedure for LMH6601MGX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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