Overview
The LMV301SQ3T2G is a CMOS operational amplifier produced by onsemi. This device is designed for low power consumption and high performance, making it ideal for a variety of applications, particularly in portable battery-operated devices. It operates over a power supply range from 1.8 V to 5 V and features a low quiescent current of less than 200 μA, maximizing battery life in mobile and handheld devices.
The LMV301SQ3T2G is known for its rail-to-rail output swing, low input bias current, and high input impedance, which make it highly suitable for applications involving high source-impedance signal sources such as photodiodes and pH probes.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Power Supply (Operating Voltage Range) | VS | - | - | 5.5 | V |
| Input Differential Voltage | VIDR | ±Supply Voltage | - | - | V |
| Input Common Mode Voltage Range | VICR | -0.5 to (V+) + 0.5 | - | - | V |
| Maximum Input Current | - | - | - | 10 | mA |
| Maximum Junction Temperature | TJ | - | - | 150 | °C |
| Thermal Resistance (5-Pin SC70-5) | JA | - | - | 280 | °C/W |
| Storage Temperature | Tstg | -65 | - | 150 | °C |
| Quiescent Current (ICC) at VS = 1.8 V | - | - | 185 | µA | |
| Input Offset Voltage (VIO) at TA = 25°C | - | 1.7 | 9 | mV | |
| Input Bias Current (IB) at TA = 25°C | - | 3 | 35 | pA | |
| Common Mode Rejection Ratio (CMRR) | - | 50 | 63 | dB | |
| Power Supply Rejection Ratio (PSRR) | - | 62 | 100 | dB | |
| Output Swing (VOH) at RL = 600 Ω, VS = 1.8 V | - | 1.65 | 1.63 | V | |
| Output Swing (VOL) at RL = 600 Ω, VS = 1.8 V | - | 75 | 100 | mV |
Key Features
- Single Supply Operation: Operates from 1.8 V to 5 V.
- Low Quiescent Current: Less than 200 μA, making it suitable for battery-operated devices.
- Rail-to-Rail Output Swing: Enhances signal-to-noise performance.
- Low Input Bias Current: 35 pA maximum, ideal for high source-impedance signal sources.
- No Output Phase-Reversal: When inputs are overdriven.
- High Input Impedance: Tolerant of high source-impedance signal sources.
- Low Power Consumption: Suitable for portable and handheld devices.
Applications
- Portable Battery-Powered Instruments: Notebook computers, PDAs, and other mobile devices.
- Cell Phones and Mobile Communication: Low power consumption makes it ideal for mobile communication devices.
- Digital Cameras: Enhances signal quality in imaging applications.
- Photodiode Amplifiers: Suitable for high source-impedance signal sources like photodiodes.
- Transducer Amplifiers: Used in various transducer applications requiring low noise and high accuracy.
- Medical Instrumentation: Ideal for medical devices due to its low power and high performance characteristics.
- Consumer Products: Used in a variety of consumer electronics requiring low power and high signal integrity.
Q & A
- What is the operating voltage range of the LMV301SQ3T2G?
The LMV301SQ3T2G operates over a power supply range from 1.8 V to 5 V.
- What is the quiescent current of the LMV301SQ3T2G?
The quiescent current is less than 200 μA.
- Does the LMV301SQ3T2G have rail-to-rail output swing?
- What is the input bias current of the LMV301SQ3T2G?
The input bias current is 35 pA maximum.
- Is the LMV301SQ3T2G suitable for high source-impedance signal sources?
- What are some typical applications of the LMV301SQ3T2G?
It is used in portable battery-powered instruments, cell phones, digital cameras, photodiode amplifiers, transducer amplifiers, medical instrumentation, and consumer products.
- What is the maximum junction temperature of the LMV301SQ3T2G?
The maximum junction temperature is 150°C.
- Does the LMV301SQ3T2G have any phase-reversal issues when inputs are overdriven?
No, it does not have output phase-reversal when inputs are overdriven.
- What is the common mode rejection ratio (CMRR) of the LMV301SQ3T2G?
The CMRR is 50 dB to 63 dB.
- What is the power supply rejection ratio (PSRR) of the LMV301SQ3T2G?
The PSRR is 62 dB to 100 dB.
