Overview
The LM7171BIMX/NOPB from Texas Instruments is a high-speed voltage-feedback amplifier that combines the slewing characteristics of current-feedback amplifiers with the versatility of traditional voltage-feedback amplifiers. This device is designed for high-speed signal processing applications and offers exceptional performance with a low power consumption of 6.5 mA. It is stable for gains as low as +2 or −1, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Test Conditions | Typical Value | Unit |
|---|---|---|---|
| Slew Rate | AV = +2, VIN = 13 VPP | 4100 | V/μs |
| Unity-Gain Bandwidth | 200 | MHz | |
| Output Current | Sourcing, RL = 100Ω | 100 | mA |
| Input Offset Voltage | TA = –40°C to +85°C | 0.2 - 3 | mV |
| Input Bias Current | TA = –40°C to +85°C | 2.7 - 10 | μA |
| Common Mode Rejection Ratio (CMRR) | VCM = ±10V | 75 - 105 | dB |
| Power Supply Rejection Ratio (PSRR) | VS = ±15V | 75 - 90 | dB |
| Supply Current | TA = –40°C to +85°C | 6.2 - 9 | mA |
| Operating Voltage Range | ±15V, ±5V | V |
Key Features
- High slew rate of 4100 V/μs, making it suitable for high-speed applications.
- Unity-gain bandwidth of 200 MHz.
- High output current of 100 mA, enabling use in video distribution, transformer drivers, and laser diode drivers.
- Low input offset voltage and current.
- High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR).
- Specified for operation on ±15V and ±5V power supplies, allowing for large signal swings and greater dynamic range.
- Low differential gain and phase, and high open-loop gain.
- Low second and third harmonic distortion, ideal for ADC/DAC systems.
Applications
- HDSL and ADSL drivers.
- Multimedia broadcast systems.
- Professional video cameras.
- Video amplifiers.
- Copiers, scanners, and fax machines.
- HDTV amplifiers.
- Pulse amplifiers and peak detectors.
- CATV/Fiber Optics signal processing.
Q & A
- What is the slew rate of the LM7171BIMX/NOPB? The slew rate is 4100 V/μs for AV = +2, VIN = 13 VPP.
- What is the unity-gain bandwidth of the LM7171BIMX/NOPB? The unity-gain bandwidth is 200 MHz.
- How much output current can the LM7171BIMX/NOPB provide? The device can provide up to 100 mA of output current.
- What are the typical input offset voltage and current for the LM7171BIMX/NOPB? The typical input offset voltage is 0.2 - 3 mV, and the typical input bias current is 2.7 - 10 μA.
- What is the common-mode rejection ratio (CMRR) of the LM7171BIMX/NOPB? The CMRR is 75 - 105 dB for VCM = ±10V.
- Can the LM7171BIMX/NOPB operate on different power supply voltages? Yes, it is specified for operation on ±15V and ±5V power supplies.
- What are some typical applications of the LM7171BIMX/NOPB? It is used in HDSL and ADSL drivers, multimedia broadcast systems, professional video cameras, and more.
- What is the supply current of the LM7171BIMX/NOPB? The supply current is typically 6.2 - 9 mA.
- Does the LM7171BIMX/NOPB have low harmonic distortion? Yes, it has low second and third harmonic distortion, making it ideal for ADC/DAC systems.
- What is the package type of the LM7171BIMX/NOPB? It is available in SOIC-8 and PDIP-8 packages.
