Overview
The LM7321QMF/NOPB is a high-performance operational amplifier (op-amp) manufactured by Texas Instruments. This single-channel, rail-to-rail input and output op-amp is designed for applications requiring wide voltage ranges, high output current, and the ability to drive unlimited capacitive loads without oscillation. With a broad supply voltage range of 2.5V to 32V and a high output current of +65mA/−100mA, the LM7321QMF/NOPB is ideal for industrial, automotive, and communication applications. Its AEC-Q100 Grade 1 certification ensures reliability in automotive environments, making it a versatile choice for demanding applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | 2.5 to 32 | V | |
| Output Current | +65/−100 | mA | |
| Gain Bandwidth Product | 20 | MHz | |
| Slew Rate | 18 | V/µs | |
| Input Voltage Noise | 15 | nV/√Hz | |
| Input Current Noise | 1.3 | pA/√Hz | |
| Supply Current per Channel | 1.1 | mA | |
| THD+Noise | −86 | dB | |
| Operating Temperature Range | −40 to +125 | °C | |
| Capacitive Load Tolerance | Unlimited | No oscillation |
Key Features
- Rail-to-rail input and output for maximum dynamic range.
- High output current capability (+65mA/−100mA) for driving demanding loads.
- Wide supply voltage range (2.5V to 32V) for versatile applications.
- Unlimited capacitive load tolerance ensures stability in complex circuits.
- Low distortion (THD+Noise: −86dB) for high-fidelity signal processing.
- AEC-Q100 Grade 1 certified for automotive applications.
Applications
The LM7321QMF/NOPB is widely used in industrial, automotive, and communication systems. Its high output current and rail-to-rail capabilities make it suitable for driving MOSFETs, power transistors, and capacitive proximity sensors. In automotive applications, it excels in high-side sensing and underground current detection. Additionally, its ability to handle wide voltage ranges makes it ideal for battery-powered devices and automotive electrical systems. The op-amp is also used in photodiode biasing and driving varactor diodes in phase-locked loops (PLLs).
Q & A
1. What is the supply voltage range of the LM7321QMF/NOPB?
The supply voltage range is 2.5V to 32V.
2. Can the LM7321QMF/NOPB drive capacitive loads?
Yes, it can drive unlimited capacitive loads without oscillation.
3. What is the output current capability of this op-amp?
It can deliver up to +65mA and sink up to −100mA.
4. Is the LM7321QMF/NOPB suitable for automotive applications?
Yes, it is AEC-Q100 Grade 1 certified, making it suitable for automotive environments.
5. What is the gain bandwidth product of this device?
The gain bandwidth product is 20MHz.
6. What is the slew rate of the LM7321QMF/NOPB?
The slew rate is 18V/µs.
7. What is the operating temperature range?
It operates from −40°C to +125°C.
8. Does this op-amp support rail-to-rail operation?
Yes, it supports rail-to-rail input and output operation.
9. What is the input voltage noise of the LM7321QMF/NOPB?
The input voltage noise is 15nV/√Hz.
10. Is the LM7321QMF/NOPB RoHS compliant?
Yes, it is RoHS compliant.
