Overview
The LMH6611MKX/NOPB, produced by Texas Instruments, is a high-performance, single-supply rail-to-rail output amplifier. This device is part of the LMH6611 series, which includes both single (LMH6611) and dual (LMH6612) versions. The LMH6611MKX/NOPB is specifically designed for power-conscious single-supply systems, offering low quiescent current and high accuracy, making it suitable for applications requiring high precision and low noise.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Operating Voltage Range | 2.7 | 11 | V | ||
| Supply Current Per Channel | RL = ∞ | 3.0 | 3.2 | 3.8 | mA |
| Small Signal Bandwidth | AV = 1, RL = 1 kΩ, VOUT = 0.2 VPP | 305 | 345 | MHz | |
| Gain Bandwidth | AV = 10, RF = 2 kΩ, RG = 221Ω, RL = 1 kΩ | 115 | 135 | MHz | |
| Output Swing High | RL = 1 kΩ to V+/2 | 59 | 72 | 76 | mV |
| Output Swing Low | RL = 1 kΩ to V+/2 | 59 | 74 | 80 | mV |
| Linear Output Current | VOUT = V+/2 | ±70 | ±100 | mA | |
| Output Resistance | f = 1 MHz | 0.07 | Ω | ||
| Enable High Voltage Threshold | 2.0 | 3.0 | V | ||
| Turn-On Time | 18 | 20 | ns | ||
| Turn-Off Time | 50 | 60 | ns | ||
| Power Supply Rejection Ratio | DC, VCM = 0.5V, VS = 2.7V to 11V | 81 | 96 | dB |
Key Features
- High Frequency Response: The LMH6611MKX/NOPB offers a small signal bandwidth of up to 345 MHz and a gain bandwidth product of up to 135 MHz.
- Low Quiescent Current: Consumes only 3.2 mA of quiescent current per channel, making it suitable for power-conscious applications.
- Rail-to-Rail Output: Provides rail-to-rail output swing, ensuring maximum signal range and minimizing distortion.
- Low Noise and Distortion: Features low input offset voltage and low noise, ensuring high accuracy in video and test applications.
- Independent Shutdown Pin: The LMH6611 has an independent active low disable pin, reducing the supply current to 120 µA in shutdown mode.
- Extended Temperature Range: Operates over an extended industrial temperature range of −40°C to +125°C.
Applications
- Video Amplification: Suitable for high accuracy video applications due to its rail-to-rail output and low distortion.
- Test and Measurement Equipment: Ideal for test equipment requiring high frequency response and low noise.
- Medical Devices: Can be used in medical devices that require precise signal amplification and low power consumption.
- Aerospace and Defense: Applicable in aerospace and defense systems where high reliability and performance are critical.
- Industrial Automation: Useful in industrial automation systems that need high-frequency signal processing with low power consumption.
Q & A
- What is the operating voltage range of the LMH6611MKX/NOPB?
The operating voltage range is from 2.7V to 11V.
- How much quiescent current does the LMH6611MKX/NOPB consume per channel?
The device consumes 3.2 mA of quiescent current per channel.
- What is the small signal bandwidth of the LMH6611MKX/NOPB?
The small signal bandwidth is up to 345 MHz.
- Does the LMH6611MKX/NOPB have a shutdown feature?
Yes, it has an independent active low disable pin that reduces the supply current to 120 µA in shutdown mode.
- What is the output swing of the LMH6611MKX/NOPB?
The output swing is rail-to-rail, with specific values depending on the load resistance and supply voltage.
- What is the linear output current capability of the LMH6611MKX/NOPB?
The linear output current is ±70 mA to ±100 mA, depending on the operating conditions.
- What is the output resistance of the LMH6611MKX/NOPB?
The output resistance is 0.07 Ω at 1 MHz.
- What are the turn-on and turn-off times for the LMH6611MKX/NOPB?
The turn-on time is 18 ns to 20 ns, and the turn-off time is 50 ns to 60 ns.
- What is the power supply rejection ratio (PSRR) of the LMH6611MKX/NOPB?
The PSRR is 81 dB to 96 dB.
- In what temperature range does the LMH6611MKX/NOPB operate?
The device operates over an extended industrial temperature range of −40°C to +125°C.
