Overview
The LMH6643MA/NOPB is a high-performance, dual-channel operational amplifier produced by Texas Instruments. This device is part of the LMH664X family, known for its low power consumption, high speed, and exceptional output characteristics. The LMH6643MA/NOPB is ideal for a wide range of industrial and commercial applications, offering features such as high bandwidth, low distortion, and fast settling times.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Circuits | 2 | - |
| Output Type | Rail-to-Rail | - |
| Slew Rate | 135 | V/µs |
| -3dB Bandwidth | 130 | MHz |
| Current - Input Bias | 1.6 | µA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply | 2.7 | mA |
| Current - Output / Channel | 75 | mA |
| Voltage - Supply, Single/Dual (±) | 2.7 V ~ 12.8 V, ±1.35 V ~ 6.4 V | V |
| Operating Temperature | -40°C ~ 85°C | °C |
| Mounting Type | Surface Mount | - |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | - |
Key Features
- High Speed: The LMH6643MA/NOPB offers a high bandwidth of 130 MHz and a slew rate of 135 V/µs, making it suitable for high-frequency applications.
- Low Distortion: It features low total harmonic distortion (THD) of −62 dBc at 5 MHz, ensuring high signal integrity.
- Fast Settling Time: With a settling time of 68 ns, this amplifier is ideal for applications requiring quick response times.
- Rail-to-Rail Output: The output stage is capable of swinging to the supply rails, maximizing the dynamic range of the signal.
- Output Short Circuit Protection: The device is protected against short circuits, with infinite short circuit duration for VS < 6 V at room temperature.
- No Output Phase Reversal: The amplifier does not exhibit phase reversal even when the common-mode voltage range (CMVR) is exceeded.
- Professional Quality Video Performance: It maintains low differential gain (DG) and differential phase (DP) characteristics, making it suitable for video applications.
Applications
- High-Frequency Filters: The LMH6643MA/NOPB is well-suited for high-frequency filter applications due to its high bandwidth and fast settling time.
- ADC Buffers: Its low distortion and fast response make it an excellent choice for analog-to-digital converter (ADC) buffer applications.
- Video Amplification: The device's low DG and DP characteristics make it ideal for professional video applications.
- Industrial and Commercial Systems: It can be used in various industrial and commercial systems requiring high-speed, low-distortion amplification.
Q & A
- What is the bandwidth of the LMH6643MA/NOPB?
The LMH6643MA/NOPB has a -3dB bandwidth of 130 MHz.
- What is the slew rate of this amplifier?
The slew rate of the LMH6643MA/NOPB is 135 V/µs.
- What is the input bias current of the LMH6643MA/NOPB?
The input bias current is 1.6 µA.
- What is the supply voltage range for this amplifier?
The supply voltage range is from 2.7 V to 12.8 V for single supply and ±1.35 V to ±6.4 V for dual supply.
- What is the operating temperature range of the LMH6643MA/NOPB?
The operating temperature range is from -40°C to 85°C.
- Does the LMH6643MA/NOPB have output short circuit protection?
- What is the package type of the LMH6643MA/NOPB?
The package type is 8-SOIC (0.154", 3.90mm Width).
- Is the LMH6643MA/NOPB suitable for video applications?
- What is the settling time of the LMH6643MA/NOPB?
- Does the LMH6643MA/NOPB exhibit phase reversal when CMVR is exceeded?
