Overview
The LMH6644MTX/NOPB, part of the LMH664X family from Texas Instruments, is a quad low-power, high-speed operational amplifier. This device is designed to offer high performance with low power consumption, making it suitable for a variety of industrial and commercial applications. The LMH6644MTX/NOPB features a rail-to-rail output, high bandwidth of 130 MHz, and low distortion of −62 dBc, ensuring excellent signal integrity and stability across different operating conditions.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage Range | 2.7 | 12.8 | V | ||
| Bandwidth (−3dB) | AV = +1, VOUT = 200mVPP | 95 | 130 | MHz | |
| Slew Rate | AV = −1 | 130 | V/μs | ||
| Settling Time | 68 | ns | |||
| Overdrive Recovery | 100 | ns | |||
| Total Harmonic Distortion (THD) | f = 5MHz, VO = 2VPP, AV = +2 | −60 | −62 | dBc | |
| Input Common Mode Voltage Range | −0.5 | 3.8 | V | ||
| Common Mode Rejection Ratio (CMRR) | VCM Stepped from 0V to 1.5V | 72 | 95 | dB | |
| Output Short Circuit Duration | VS < 6V at room temperature and below | Infinite | |||
| Package | TSSOP (14) |
Key Features
- High speed with a bandwidth of 130 MHz and a slew rate of 130 V/μs
- Low distortion of −62 dBc at 5 MHz, ensuring high signal integrity
- Supply voltage range from 2.7V to 12.8V, fully characterized for 3V, 5V, and ±5V
- Fast settling time of 68 ns and overdrive recovery of 100 ns
- Output short circuit protection with infinite duration for VS < 6V at room temperature and below
- No output phase reversal with common-mode voltage range exceeded
- Professional quality video performance with low differential gain (0.01%) and differential phase (0.01°)
Applications
- ADC buffer amplifiers
- High-frequency filter applications
- Active filters
- CD/DVD ROM drives
- Portable video equipment
- Current sense buffers
Q & A
- What is the bandwidth of the LMH6644MTX/NOPB?
The bandwidth of the LMH6644MTX/NOPB is 130 MHz at a gain of +1.
- What is the slew rate of the LMH6644MTX/NOPB?
The slew rate is 130 V/μs.
- What is the total harmonic distortion (THD) of the LMH6644MTX/NOPB?
The THD is −62 dBc at 5 MHz with a gain of +2 and an output voltage of 2VPP.
- What is the settling time of the LMH6644MTX/NOPB?
The settling time is 68 ns.
- Is the LMH6644MTX/NOPB protected against output short circuits?
Yes, the LMH6644MTX/NOPB has output short circuit protection with infinite duration for VS < 6V at room temperature and below.
- What are the common applications of the LMH6644MTX/NOPB?
The LMH6644MTX/NOPB is commonly used in ADC buffer amplifiers, high-frequency filter applications, active filters, CD/DVD ROM drives, portable video equipment, and current sense buffers.
- What is the supply voltage range of the LMH6644MTX/NOPB?
The supply voltage range is from 2.7V to 12.8V.
- Does the LMH6644MTX/NOPB exhibit output phase reversal?
No, the LMH6644MTX/NOPB does not exhibit output phase reversal with common-mode voltage range exceeded.
- What is the package type of the LMH6644MTX/NOPB?
The LMH6644MTX/NOPB is available in a TSSOP (14) package.
- What are the differential gain and differential phase characteristics of the LMH6644MTX/NOPB?
The LMH6644MTX/NOPB has professional quality video performance with low differential gain (0.01%) and differential phase (0.01°).
- Is the LMH6644MTX/NOPB suitable for high-frequency applications?
Yes, the LMH6644MTX/NOPB is well-suited for high-frequency applications due to its high bandwidth and fast settling time.
