Overview
The LM7322MMX/NOPB, produced by Texas Instruments, is a dual rail-to-rail input and output operational amplifier. This device is part of the LM732xx family, known for its wide operating voltage range and high-output currents. The LM7322 is 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. It is fully specified for operation at 2.7 V, ±5 V, and ±15 V, making it suitable for various applications including industrial, automotive, and communications systems.
Key Specifications
| Parameter | Typical Value | Units |
|---|---|---|
| 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 |
| Temperature Range | -40°C to 125°C | °C |
Key Features
- Wide supply voltage range from 2.5 V to 32 V
- High output current capability (+65 mA / -100 mA)
- High slew rate of 18 V/µs and unity gain bandwidth of 20 MHz
- Unlimited capacitive load tolerance without oscillations
- Input common-mode voltage range extends 0.3 V beyond the rails
- Low input voltage noise (15 nV/√Hz) and input current noise (1.3 pA/√Hz)
- Low supply current per channel (1.1 mA)
- Low distortion (THD+Noise) of -86 dB
- AEC-Q100 Grade 1 Qualified for automotive applications
- Available in various package options including SOIC and VSSOP
Applications
- Driving MOSFETs and Power Transistors
- Capacitive Proximity Sensors
- Driving Analog Optocouplers
- High Side Sensing
- Below Ground Current Sensing
- Photodiode Biasing
- Driving Varactor Diodes in PLLs
- Wide Voltage Range Power Supplies
- Automotive Systems
- International Power Supplies
Q & A
- What is the supply voltage range of the LM7322MMX/NOPB?
The supply voltage range is from 2.5 V to 32 V.
- What is the output current capability of the LM7322MMX/NOPB?
The output current capability is +65 mA / -100 mA.
- What is the slew rate and unity gain bandwidth of the LM7322MMX/NOPB?
The slew rate is 18 V/µs and the unity gain bandwidth is 20 MHz.
- Can the LM7322MMX/NOPB drive unlimited capacitive loads?
- What is the input common-mode voltage range of the LM7322MMX/NOPB?
The input common-mode voltage range extends 0.3 V beyond the rails.
- What are the noise specifications of the LM7322MMX/NOPB?
The input voltage noise is 15 nV/√Hz and the input current noise is 1.3 pA/√Hz.
- What is the supply current per channel for the LM7322MMX/NOPB?
The supply current per channel is 1.1 mA.
- What is the distortion (THD+Noise) of the LM7322MMX/NOPB?
The distortion (THD+Noise) is -86 dB.
- What is the operating temperature range of the LM7322MMX/NOPB?
The operating temperature range is -40°C to 125°C.
- Is the LM7322MMX/NOPB qualified for automotive applications?
