Overview
The LMV832MME/NOPB is a dual operational amplifier (op-amp) produced by Texas Instruments. It is part of the LMV83x family, which includes CMOS input, low-power operation amplifier ICs. These devices are designed to provide low input bias current, a wide operating temperature range of −40°C to 125°C, and exceptional performance, making them robust general-purpose parts. The LMV832 is particularly suited for applications requiring low power consumption and high performance in a compact package.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Supply Voltage | 2.7 V to 5.5 V | V |
| Supply Current (per Channel) | 240 µA | mA |
| Input Offset Voltage | 1 mV | mV |
| Input Bias Current | 0.1 pA | pA |
| Gain Bandwidth Product (GBW) | 3.3 MHz | MHz |
| Slew Rate | 2 V/µs | V/µs |
| Output Voltage Swing | Rail-to-Rail | |
| Output Current Drive | 30 mA | mA |
| Operating Ambient Temperature Range | −40°C to 125°C | °C |
| Input Noise Voltage at 1 kHz | 12 nV/√Hz | nV/√Hz |
| EMIRR at 1.8 GHz | 120 dB | dB |
| PSRR | 93 dB | dB |
| CMRR | 91 dB | dB |
Key Features
- Low Power Consumption: The LMV832 consumes only 240 µA of current per channel, making it suitable for battery-powered and portable electronic equipment.
- EMI Hardening: These devices are EMI-hardened to minimize interference, making them ideal for EMI-sensitive applications.
- Wide Temperature Range: Operates over a temperature range of −40°C to 125°C, ensuring robust performance in various environments.
- Rail-to-Rail Output Stage: Provides output voltage swing that includes both supply rails, maximizing the dynamic range of the output signal.
- High Gain Bandwidth Product: Features a GBW of 3.3 MHz, ensuring high-frequency performance while maintaining low power consumption.
- Low Input Bias Current: With an input bias current of 0.1 pA, it is suitable for applications requiring high input impedance.
Applications
- Photodiode Preamps: Suitable for amplifying signals from photodiodes due to its low noise and high gain bandwidth product.
- Piezoelectric Sensors: Ideal for amplifying signals from piezoelectric sensors in various measurement applications.
- Portable/Battery-Powered Electronic Equipment: Low power consumption makes it suitable for battery-powered devices.
- Filters and Buffers: Can be used in active filter circuits and as buffers due to its stability and low noise characteristics.
- PDAs and Phone Accessories: Suitable for use in personal digital assistants and other phone accessories requiring low power and high performance).
Q & A
- What is the supply voltage range for the LMV832?
The supply voltage range for the LMV832 is 2.7 V to 5.5 V.
- What is the typical supply current per channel for the LMV832?
The typical supply current per channel is 240 µA).
- What is the input offset voltage of the LMV832?
The maximum input offset voltage is 1 mV).
- What is the gain bandwidth product (GBW) of the LMV832?
The GBW is 3.3 MHz).
- Is the LMV832 EMI-hardened?
Yes, the LMV832 is EMI-hardened to minimize interference).
- What is the operating temperature range of the LMV832?
The operating temperature range is −40°C to 125°C).
- What is the output current drive capability of the LMV832?
The output current drive is 30 mA).
- What is the input noise voltage at 1 kHz for the LMV832?
The input noise voltage at 1 kHz is 12 nV/√Hz).
- What is the PSRR of the LMV832?
The power supply rejection ratio (PSRR) is 93 dB).
- What are some common applications of the LMV832?
Common applications include photodiode preamps, piezoelectric sensors, portable/battery-powered electronic equipment, filters, and buffers).
