Overview
The LMV604MTX/NOPB, part of the LMV60x family, is a quad low-voltage, low-power operational amplifier designed by Texas Instruments. This device is tailored for applications requiring minimal power consumption and a small footprint, making it ideal for portable and battery-operated electronics. The LMV604MTX/NOPB is built using all CMOS technology, which ensures ultra-low input bias current and low power dissipation. The amplifier features a Class AB turnaround stage, providing high open-loop gain, low offset, and low noise, while maintaining a high slew rate. The rail-to-rail output capability and shutdown option enhance its suitability for a wide range of low-voltage applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | TJ = 25°C, V+ = 2.7 V, V− = 0 V | 0.55 | 5 | 5 | mV |
| Input Bias Current (IB) | TJ = 25°C, V+ = 2.7 V, V− = 0 V | 0.02 | pA | ||
| Supply Current (IS) per Amplifier | TJ = 25°C, V+ = 2.7 V, V− = 0 V | 100 | 170 | µA | |
| Shutdown Mode Supply Current | VSD = 0 V | 0.033 | 1 | µA | |
| Common-Mode Rejection Ratio (CMRR) | 0 V ≤ VCM ≤ 1.7 V | 80 | dB | ||
| Power Supply Rejection Ratio (PSRR) | 2.7 V ≤ V+ ≤ 5 V | 82 | dB | ||
| Output Short-Circuit Current | Sourcing | 24 | mA | ||
| Turn-On Time from Shutdown | 5 | µs | |||
| Shutdown Pin Voltage Range | ON mode | 1.7 | 2.7 | V | |
| Shutdown Pin Voltage Range | Shutdown mode | 0 | 0.8 | V |
Key Features
- Low-Voltage Operation: The LMV604MTX/NOPB operates from a supply voltage as low as 2.7 V, making it suitable for battery-powered devices.
- Low Power Consumption: The device features low quiescent current, with a typical supply current of 170 µA per amplifier and a shutdown mode current of 0.033 µA.
- Class AB Turnaround Stage: This patented stage reduces offset and noise while maintaining high slew rates and open-loop gain.
- Rail-to-Rail Output: The amplifier provides rail-to-rail output capability, ensuring maximum output swing.
- Shutdown Option: The device includes a shutdown pin to reduce power consumption in idle states, enhancing battery life in portable applications.
- Ultra-Low Input Bias Current: The CMOS input stage results in an extremely low input bias current of 0.02 pA.
- High Common-Mode Rejection Ratio (CMRR) and Power Supply Rejection Ratio (PSRR): The device offers high CMRR and PSRR, ensuring robust performance against common-mode and power supply noise.
Applications
- Portable Electronics: Ideal for handheld devices, smartphones, and other battery-operated gadgets due to its low power consumption and small footprint.
- Battery-Operated Devices: Suitable for devices that require extended battery life, such as wearable technology and IoT devices.
- Medical Devices: Can be used in medical equipment where low power and small size are critical.
- Automotive Electronics: Applicable in automotive systems that require low-voltage, low-power amplifiers.
- Industrial Automation: Useful in industrial control systems where space and power efficiency are important.
Q & A
- What is the minimum supply voltage for the LMV604MTX/NOPB?
The minimum supply voltage is 2.7 V.
- What is the typical supply current per amplifier?
The typical supply current per amplifier is 170 µA.
- What is the shutdown mode supply current?
The shutdown mode supply current is 0.033 µA.
- What is the input offset voltage for the LMV604MTX/NOPB?
The input offset voltage is typically 5 mV.
- Does the LMV604MTX/NOPB have a shutdown option?
Yes, the device includes a shutdown pin to reduce power consumption in idle states.
- What is the common-mode rejection ratio (CMRR) of the LMV604MTX/NOPB?
The CMRR is 80 dB.
- What is the power supply rejection ratio (PSRR) of the LMV604MTX/NOPB?
The PSRR is 82 dB.
- What is the output short-circuit current of the LMV604MTX/NOPB?
The output short-circuit current is 24 mA.
- How long does it take for the LMV604MTX/NOPB to turn on from shutdown mode?
The turn-on time from shutdown is 5 µs.
- What are the typical applications of the LMV604MTX/NOPB?
Typical applications include portable electronics, battery-operated devices, medical devices, automotive electronics, and industrial automation.
