Overview
The LM7321MAX/NOPB is a single-channel operational amplifier produced by Texas Instruments. It is part of the LM732xx family, which features rail-to-rail input and output capabilities, wide operating voltages, and high-output currents. These amplifiers are designed to be efficient, achieving an 18-V/µs slew rate and a 20-MHz unity gain bandwidth while requiring only 1.1 mA of supply current per op amp. The LM7321MAX/NOPB is fully specified for operation at 2.7 V, ±5 V, and ±15 V, making it suitable for a variety of applications including industrial, automotive, and communications systems.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Supply Voltage Range | 2.5 V to 32 V | V |
| Output Current | +65 mA / -100 mA | mA |
| Gain Bandwidth Product | 20 MHz | MHz |
| Slew Rate | 18 V/µs | V/µs |
| Capacitive Load Tolerance | Unlimited | - |
| Input Common-Mode Voltage | 0.3-V Beyond Rails | V |
| Input Voltage Noise | 15 nV/√Hz | nV/√Hz |
| Input Current Noise | 1.3 pA/√Hz | pA/√Hz |
| Supply Current/Channel | 1.1 mA | mA |
| Distortion (THD+Noise) | -86 dB | dB |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package | SOIC-8 | - |
Key Features
- Rail-to-Rail Input and Output: The LM7321MAX/NOPB features rail-to-rail input and output capabilities, allowing for high-side and low-side sensing with a common-mode voltage range that extends 0.3 V beyond the supply rails.
- Wide Supply Voltage Range: Operates from 2.5 V to 32 V, making it versatile for various power supply conditions.
- High Output Current: Can supply up to +65 mA and sink up to -100 mA, with minimal headroom from either rail.
- Unlimited Capacitive Load Tolerance: Designed to drive unlimited capacitive loads without oscillations.
- Low Distortion: Offers low distortion (THD+Noise) of -86 dB, ensuring high fidelity in signal amplification.
- AEC-Q100 Grade 1 Qualified: Suitable for automotive applications due to its robust performance and reliability.
Applications
The LM7321MAX/NOPB is suitable for a wide range of applications due to its robust specifications and reliability. Key application areas include:
- Industrial Systems: Ideal for industrial control systems, sensors, and instrumentation due to its high performance and stability over a wide temperature range.
- Automotive Systems: Qualified to AEC-Q100 Grade 1 standards, making it suitable for automotive electrical systems and battery-powered equipment.
- Communications Systems: Used in communication equipment where high signal integrity and low distortion are critical.
Q & A
- What is the supply voltage range of the LM7321MAX/NOPB?
The supply voltage range is from 2.5 V to 32 V.
- What is the typical slew rate of the LM7321MAX/NOPB?
The typical slew rate is 18 V/µs.
- Can the LM7321MAX/NOPB drive unlimited capacitive loads?
Yes, it is designed to drive unlimited capacitive loads without oscillations.
- What is the operating temperature range of the LM7321MAX/NOPB?
The operating temperature range is from -40°C to 125°C.
- Is the LM7321MAX/NOPB AEC-Q100 qualified?
Yes, it is AEC-Q100 Grade 1 qualified, making it suitable for automotive applications.
- What is the typical supply current per channel for the LM7321MAX/NOPB?
The typical supply current per channel is 1.1 mA.
- What is the distortion (THD+Noise) specification for the LM7321MAX/NOPB?
The distortion (THD+Noise) is typically -86 dB.
- What package options are available for the LM7321MAX/NOPB?
The LM7321MAX/NOPB is available in an SOIC-8 package.
- Is the LM7321MAX/NOPB suitable for industrial applications?
Yes, it is suitable for industrial applications due to its high performance and stability over a wide temperature range.
- What is the input common-mode voltage range for the LM7321MAX/NOPB?
The input common-mode voltage range extends 0.3 V beyond the supply rails.
