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Texas Instruments LMH6611MKX/NOPB
- Part No.:
- LMH6611MKX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
LMH6611MKX/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TSOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:4,136
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Product details
Overview
LMH6611MKX/NOPB from Texas Instruments is a single-channel, rail-to-rail output voltage feedback amplifier with independent active-low shutdown pin, operating from 2.7V to 11V supply. It delivers 345 MHz small-signal bandwidth, 460 V/µs slew rate, and ±100 mA linear output current at 5V, optimized for driving high-speed ADCs and video line drivers in 720p/1080i systems.
For engineers reviewing the LMH6611MKX/NOPB datasheet, LMH6611MKX/NOPB pinout, LMH6611MKX/NOPB application, or LMH6611MKX/NOPB equivalent, key selection criteria include its 0.01% settling time (100 ns), ±1.5 mV input offset voltage limit, rail-to-rail output swing within 48–64 mV of rails (150Ω load), and 10 nV/√Hz input voltage noise - all validated under 5V single-supply conditions.
Technical Context
The LMH6611MKX/NOPB employs a voltage-feedback architecture with precision-trimmed input stage enabling DC-critical performance: open-loop gain of 103 dB and CMVR from −0.2 V to 3.8 V on 5V supply. Its internal shutdown control reduces quiescent current to 120 µA, supporting power-conscious portable and battery-operated instrumentation.
Designed for unity-gain stable operation, it maintains 0.1 dB flatness up to 45 MHz into 150Ω while delivering >102 dBc SFDR at 100 kHz (AV = 2, 2 VPP). The 6-pin SOT-23 package supports compact layout with minimal parasitic capacitance for high-frequency signal integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small Signal BW | 345 MHz at AV = +1, RL = 1 kΩ - enables wideband baseband I/Q channel filtering |
| Slew Rate | 460 V/µs - supports fast transient response for 10–14-bit ADC sampling without slewing distortion |
| 0.1% Settling Time | 67 ns at 2V step, AV = −1 - meets timing budget for high-throughput data acquisition |
| Input Offset Voltage | ±1.5 mV max at 25°C - ensures <0.015% gain error in precision sensor amplification |
| Output Current | ±100 mA typical - drives 150Ω video loads or 1 kΩ mid-rail terminated ADC inputs directly |
| Supply Range | 2.7V to 11V single supply - operates from Li-ion battery (3.3V) to industrial 10V rails |
| Temp Range | −40°C to +125°C - qualified for automotive front-end and industrial motor control environments |
Pinout & Package
LMH6611MKX/NOPB is housed in a 6-pin SOT-23 package (JEDEC MO-178AA), with exposed pad for thermal enhancement. Pin 1 is marked via laser scribe or mold index; device orientation follows standard SOT-23 top-view convention.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT | Rail-to-rail output capable of sourcing/sinking ±100 mA into 150Ω |
| 2 | −IN | Inverting input with 2.5 pF capacitance and 6 MΩ resistance - matched for low-phase-error feedback |
| 3 | +IN | Non-inverting input with identical impedance to −IN - enables balanced AC/DC-coupled configurations |
| 4 | V− | Negative supply rail connection - supports ground-referenced or split-supply operation |
| 5 | V+ | Positive supply rail (2.7–11V) - powers amplifier core and output stage |
| 6 | DISABLE | Active-low enable pin; pulls supply current to ≤162 µA when logic low - enables dynamic power gating |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Within 48–64 mV of either rail into 150Ω - eliminates need for level-shifting in 5V ADC interfaces |
| Low input voltage noise | 10 nV/√Hz at 100 kHz - preserves SNR in low-amplitude sensor and medical front-end stages |
| High open-loop gain | 103 dB - ensures <0.001% gain error in closed-loop configurations up to 100 kHz |
| Shutdown current | ≤162 µA at VDISABLE = 0V - extends battery life in portable test equipment between measurements |
| Video-grade distortion | 0.05% DG / 0.06° DP at 4.43 MHz - meets NTSC/PAL analog video broadcast requirements |
Applications
| ADC Driver | DAC Buffer |
|---|---|
Use Scenario: Driving the analog input of 12-bit SAR or pipeline ADCs sampling at ≥10 MSPS in test instrumentation. IC Role / Device Role / Timing Role: High-fidelity buffer isolating DAC output or sensor signal from ADC input capacitance and switching transients. Use Value: 100 ns 0.01% settling time and 102 dBc SFDR at 100 kHz ensure full-resolution accuracy without post-acquisition correction. | Use Scenario: Amplifying and level-shifting DAC output (e.g., 0–2.5 V) to drive 75Ω video lines or 150Ω ADC reference buffers. IC Role / Device Role / Timing Role: Unity-gain stable voltage follower with rail-to-rail output swing and low THD+N. Use Value: 45 MHz 0.1 dB bandwidth and 0.05% differential gain preserve color fidelity in SD/HD analog video paths. |
| Active Filters | High-Speed Sensor Amplifier |
Use Scenario: Implementing 2nd-order low-pass or band-pass filters in baseband I/Q radio channels with cutoffs up to 50 MHz. IC Role / Device Role / Timing Role: Gain block in multiple-feedback (MFB) or Sallen-Key topology with precise pole placement. Use Value: 345 MHz GBW and 0.3 dB peaking at unity gain enable sharp roll-off without phase margin degradation. | Use Scenario: Amplifying low-level outputs from piezoelectric accelerometers or photodiode transimpedance stages in real-time monitoring systems. IC Role / Device Role / Timing Role: Low-noise, high-slew-rate preamplifier conditioning microvolt-level signals before digitization. Use Value: 10 nV/√Hz input noise and 460 V/µs slew rate support >100 kHz bandwidth without noise floor elevation or slew-induced distortion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6609MF/NOPB | Lower bandwidth (280 MHz), no shutdown pin, same SOT-23-6 package | Lacks power-gating capability; unsuitable for duty-cycled systems | Select when shutdown functionality is unnecessary and cost sensitivity outweighs 65 MHz bandwidth loss |
| OPA695IDBVT | Higher bandwidth (1.7 GHz), higher supply current (12.9 mA), SO-6 package | Requires PCB redesign due to different pinout and thermal pad; overqualified for 345 MHz needs | Select only when >1 GHz small-signal BW is required and layout changes are acceptable |
Compared with LMH6611MKX/NOPB, LMH6609MF/NOPB trades 65 MHz bandwidth and shutdown control for lower cost and identical footprint, while OPA695IDBVT offers 5× bandwidth at 4× quiescent power and incompatible packaging - making LMH6611MKX/NOPB optimal for power-constrained 300–350 MHz applications requiring pin-compatible enable control.
Availability
LMH6611MKX/NOPB is available at Aetrix Electronics and suitable for high-speed data acquisition, analog video signal routing, and precision sensor interface applications requiring stable component supply across automotive, industrial, and test & measurement programs.
Supply support for LMH6611MKX/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-performance amplifiers and signal chain solutions.
The LMH6611MKX/NOPB belongs to TI's PowerWise high-speed op-amp family, engineered specifically for single-supply, low-power, rail-to-rail output applications demanding both precision DC performance and wideband AC response.
FAQ
What is the maximum operating supply voltage for LMH6611MKX/NOPB?
The LMH6611MKX/NOPB supports a maximum supply voltage of 12 V (V+ − V−), with recommended operating range from 2.7 V to 11 V. Absolute maximum rating is 12 V; exceeding this risks permanent damage. At 11 V, quiescent current remains within specification (≤4.0 mA), and output swing retains rail-to-rail capability into 1 kΩ loads.
Does LMH6611MKX/NOPB support dual-supply operation?
Yes, LMH6611MKX/NOPB operates on split supplies from ±1.35 V to ±5.5 V. Electrical characteristics are fully specified at ±5 V, where small-signal bandwidth reaches 365 MHz and output swing extends to within 54–74 mV of either rail into 150Ω. The DISABLE pin functions with referenced thresholds (e.g., −0.5 V for disable under ±5 V).
What is the typical 0.01% settling time of LMH6611MKX/NOPB and under what conditions?
The LMH6611MKX/NOPB achieves a typical 0.01% settling time of 100 ns under 5 V supply, 2 V step input, AV = −1 configuration, and RL = 150Ω load. This value is confirmed in the +5V Electrical Characteristics table and applies across the −40°C to +125°C temperature range, supporting high-throughput sampling in data converters.
How does the DISABLE pin function on LMH6611MKX/NOPB?
The DISABLE pin on LMH6611MKX/NOPB is active-low: pulling it below 2.0 V (typical threshold) disables the amplifier, reducing supply current to ≤162 µA. When high (>3.0 V), the device operates normally. Turn-off time is 60 ns, turn-on time is 20 ns - enabling rapid power cycling in burst-mode systems without compromising signal integrity.
Is LMH6611MKX/NOPB suitable for driving 75Ω video loads in broadcast applications?
LMH6611MKX/NOPB is characterized for 150Ω loads and meets NTSC/PAL video specs (0.05% DG / 0.06° DP at 4.43 MHz), but direct 75Ω drive requires external series termination or buffer stage. Its 100 mA output current supports 75Ω loads at reduced swing (e.g., 1.5 VPP), though distortion may increase beyond datasheet limits - verify with actual 75Ω test setup per application requirements.
LMH6611MKX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SOT-23-6 Thin, TSOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 460V/µs
- Gain Bandwidth Product:
- 135 MHz
- -3db Bandwidth:
- 365 MHz
- Current - Input Bias:
- 6.5 µA
- Voltage - Input Offset:
- 74 µV
- Current - Supply:
- 3.3mA
- Current - Output / Channel:
- 120 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-6
LMH6611MKX/NOPB FAQ
1.How can I place an order for LMH6611MKX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMH6611MKX/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 LMH6611MKX/NOPB reliable?
The price and inventory of LMH6611MKX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMH6611MKX/NOPB is usually 5 days.
3.What payment methods are accepted for LMH6611MKX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMH6611MKX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMH6611MKX/NOPB?
LMH6611MKX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMH6611MKX/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 LMH6611MKX/NOPB?
For technical support, including LMH6611MKX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMH6611MKX/NOPB requirements.
6.How does Aetrix verify that LMH6611MKX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMH6611MKX/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 LMH6611MKX/NOPB meets industry standards.
7.What is the process for return or replacement of LMH6611MKX/NOPB?
All LMH6611MKX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMH6611MKX/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 LMH6611MKX/NOPB part is unused and in its original packaging.
Return procedure for LMH6611MKX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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