Overview
The LM7171AIMX/NOPB is a high-speed voltage-feedback amplifier produced by Texas Instruments. This amplifier combines the slewing characteristics of a current-feedback amplifier with the ease of use of a traditional voltage-feedback topology. It is designed for high-speed signal processing applications, offering a very high slew rate of 4100V/μs and a wide unity-gain bandwidth of 200MHz. The device is stable for gains as low as +2 or −1 and operates on ±15V or ±5V power supplies, making it versatile for various applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Slew Rate | 4100 | V/μs |
| Unity-Gain Bandwidth | 200 | MHz |
| −3dB Frequency (AV = +2) | 220 | MHz |
| Supply Current | 6.5 | mA |
| Open-Loop Gain | 85 | dB |
| Output Current | 100 | mA |
| Differential Gain and Phase | 0.01%, 0.02º | |
| Input Offset Voltage | 0.2 - 3 | mV |
| Input Bias Current | 2.7 - 12 | μA |
| Common-Mode Rejection Ratio (CMRR) | 80 - 105 | dB |
| Power Supply Rejection Ratio (PSRR) | 80 - 90 | dB |
| Operating Temperature Range | −40°C to +85°C | |
| Supply Voltage Range | ±5V to ±15V |
Key Features
- Easy-to-use voltage-feedback topology
- Very high slew rate of 4100V/μs
- Wide unity-gain bandwidth of 200MHz
- Low supply current of 6.5mA
- High open-loop gain of 85dB
- High output current of 100mA
- Excellent differential gain and phase of 0.01%, 0.02º
- Specified for ±15V and ±5V operation
- Low harmonic distortion and high signal-to-noise ratio
Applications
- HDSL and ADSL drivers
- Multimedia broadcast systems
- Professional video cameras
- Video amplifiers
- Copiers, scanners, fax machines
- HDTV amplifiers
- Pulse amplifiers and peak detectors
- CATV and fiber optics signal processing
- Transformer drivers and laser diode drivers
Q & A
- What is the slew rate of the LM7171AIMX/NOPB?
The slew rate of the LM7171AIMX/NOPB is 4100V/μs.
- What is the unity-gain bandwidth of the LM7171AIMX/NOPB?
The unity-gain bandwidth is 200MHz.
- What are the typical supply current and output current of the LM7171AIMX/NOPB?
The typical supply current is 6.5mA, and the output current is 100mA.
- What are the operating voltage ranges for the LM7171AIMX/NOPB?
The device operates on ±5V to ±15V power supplies.
- What are some common applications of the LM7171AIMX/NOPB?
Common applications include HDSL and ADSL drivers, multimedia broadcast systems, professional video cameras, and video amplifiers.
- What is the open-loop gain of the LM7171AIMX/NOPB?
The open-loop gain is 85dB.
- What is the common-mode rejection ratio (CMRR) of the LM7171AIMX/NOPB?
The CMRR is between 80dB to 105dB.
- What is the power supply rejection ratio (PSRR) of the LM7171AIMX/NOPB?
The PSRR is between 80dB to 90dB.
- What is the operating temperature range for the LM7171AIMX/NOPB?
The operating temperature range is −40°C to +85°C.
- What package options are available for the LM7171AIMX/NOPB?
The device is available in SOIC (8-pin) and PDIP (8-pin) packages.
