Overview
The LMV982MMX/NOPB is a low-voltage, low-power operational amplifier from Texas Instruments. It is part of the LMV98x-N series, designed to operate from 1.8-V to 5-V supply voltages with rail-to-rail input and output capabilities. This amplifier is optimized for use in portable and battery-powered electronic equipment, making it ideal for applications such as fitness trackers, wearables, mobile phones, and portable audio devices. The LMV982MMX/NOPB features an ultra-small package, specifically the 10-pin VSSOP package, which is suitable for area-constrained PCBs and compact electronic designs.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Supply Voltage Range | 1.8 V to 5 V | V |
| Supply Current (Per Channel) | 100 µA | µA |
| Gain Bandwidth Product | 1.4 MHz | MHz |
| Maximum Input Offset Voltage (VOS) | 4 mV (single), 5.5 mV (dual) | mV |
| Large Signal Voltage Gain | 101 dB (single), 90 dB (dual) | dB |
| Output Swing with 600-Ω Load | Within 105 mV from the rail at 1.8 V supply | V |
| Input Common Mode Voltage Range | 200 mV beyond the supplies | V |
| Shutdown Current | 0.156 µA (single), 0.178 µA (dual) | µA |
| Turn-on Time from Shutdown | 19 µs | µs |
| Operating Temperature Range | −40°C to 125°C | °C |
| Package Type | 10-pin VSSOP |
Key Features
- Low-voltage operation: 1.8 V to 5 V supply range.
- Low power consumption: 100 µA supply current per channel.
- Rail-to-rail input and output.
- High gain bandwidth product: 1.4 MHz.
- High DC gain: up to 101 dB.
- Independent shutdown pin for each channel.
- Ultra-small package options: DSBGA, SC70, SOT-23, and VSSOP.
- Excellent speed-power ratio.
- Capable of driving a 600-Ω load and up to 1000-pF capacitive load with minimal ringing.
Applications
- Industrial and automotive systems.
- Consumer communication devices.
- Fitness trackers and wearables.
- Mobile phones and portable audio equipment.
- Portable and battery-powered electronic equipment.
- Supply current monitoring and battery monitoring systems.
Q & A
- What is the supply voltage range of the LMV982MMX/NOPB?
The LMV982MMX/NOPB operates from 1.8 V to 5 V supply voltages.
- What is the typical supply current per channel for the LMV982MMX/NOPB?
The typical supply current per channel is 100 µA.
- Does the LMV982MMX/NOPB have rail-to-rail input and output capabilities?
- What is the gain bandwidth product of the LMV982MMX/NOPB?
The gain bandwidth product is 1.4 MHz.
- What is the maximum input offset voltage (VOS) for the LMV982MMX/NOPB?
The maximum input offset voltage is 4 mV for single-channel and 5.5 mV for dual-channel configurations.
- Can the LMV982MMX/NOPB drive a 600-Ω load?
- What is the operating temperature range of the LMV982MMX/NOPB?
The operating temperature range is −40°C to 125°C.
- Does the LMV982MMX/NOPB have a shutdown feature?
- What package types are available for the LMV982MMX/NOPB?
The LMV982MMX/NOPB is available in a 10-pin VSSOP package among other options.
- What are some common applications for the LMV982MMX/NOPB?
