Overview
The LMV321SQ3T2G is a single-channel, low-voltage, rail-to-rail operational amplifier produced by onsemi. This device is part of the LMV321 series, which includes single, dual, and quad operational amplifiers. The LMV321SQ3T2G is designed for applications requiring low power consumption and space-saving packages, making it ideal for portable, battery-operated equipment.
It operates from a single-sided power supply ranging from 2.7 V to 5.5 V and features ultra-low quiescent current, rail-to-rail output swing, and no output crossover distortion. The device is also Pb-free, halogen-free, and RoHS compliant, ensuring environmental sustainability.
Key Specifications
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage (Operating Range) | VS | 2.7 | 5.5 | V | ||
| Input Differential Voltage | VIDR | Supply Voltage | V | |||
| Input Common Mode Voltage Range | VICR | -0.5 | V+ + 0.5 | V | ||
| Maximum Input Current | 10 | mA | ||||
| Maximum Junction Temperature | TJ | 150 | °C | |||
| Operating Ambient Temperature Range | TA | -40 | 85 | °C | ||
| Thermal Resistance (SC-70) | JA | 280 | °C/W | |||
| Input Offset Voltage (TA = 25°C, V+ = 2.7 V) | VIO | 1.7 | 9 | mV | ||
| Input Bias Current (TA = 25°C, V+ = 2.7 V) | IB | <1 | nA | |||
| Common Mode Rejection Ratio (CMRR) at 2.7 V | CMRR | 0 V ≤ VCM ≤ 1.7 V | 50 | 63 | dB | |
| Power Supply Rejection Ratio (PSRR) at 2.7 V | PSRR | 2.7 V ≤ V+ ≤ 5 V, VO = 1 V | 50 | 60 | dB | |
| Output Swing (VOH) at 2.7 V, RL = 10 kΩ | VOH | VCC - 100 | VCC - 10 | mV | ||
| Output Swing (VOL) at 2.7 V, RL = 10 kΩ | VOL | 60 | 180 | mV | ||
| Supply Current (ICC) at 2.7 V | ICC | 80 | 140 | 260 | μA |
Key Features
- Low-Voltage Operation: Operates from a single-sided power supply ranging from 2.7 V to 5.5 V.
- Rail-to-Rail Output Swing: Provides improved signal-to-noise performance.
- Ultra-Low Quiescent Current: Ideal for portable, battery-operated equipment.
- No Output Crossover Distortion: Ensures clean output signals.
- No Output Phase-Reversal from Overdriven Input: Maintains signal integrity.
- Small Packages: Available in ultra-small packages such as SC70, TSOP-5, and UDFN8.
- Environmental Compliance: Pb-free, halogen-free, and RoHS compliant.
- AEC-Q100 Qualified: Suitable for automotive and other applications requiring unique site and control change requirements.
Applications
- Notebook Computers and PDAs: Ideal for low-power, space-saving designs.
- Portable Battery-Operated Instruments: Suitable for devices requiring low power consumption.
- Active Filters: Can be used in various filter configurations due to its high performance characteristics.
- Automotive Electronics: NCV prefix models are AEC-Q100 qualified and PPAP capable.
Q & A
- What is the operating voltage range of the LMV321SQ3T2G?
The LMV321SQ3T2G operates from a single-sided power supply ranging from 2.7 V to 5.5 V.
- What is the typical quiescent current of the LMV321SQ3T2G?
The typical quiescent current is around 140 μA at 2.7 V supply voltage.
- Does the LMV321SQ3T2G have rail-to-rail output swing?
Yes, the LMV321SQ3T2G features rail-to-rail output swing, providing improved signal-to-noise performance.
- What are the common package types available for the LMV321SQ3T2G?
The device is available in ultra-small packages such as SC70 and TSOP-5.
- Is the LMV321SQ3T2G environmentally compliant?
Yes, it is Pb-free, halogen-free, and RoHS compliant.
- What are some typical applications of the LMV321SQ3T2G?
Typical applications include notebook computers, PDAs, portable battery-operated instruments, and active filters.
- Does the LMV321SQ3T2G have any automotive qualifications?
Yes, the NCV prefix models are AEC-Q100 qualified and PPAP capable, making them suitable for automotive applications.
- What is the maximum junction temperature of the LMV321SQ3T2G?
The maximum junction temperature is 150°C.
- Does the LMV321SQ3T2G have output crossover distortion?
No, the LMV321SQ3T2G does not have output crossover distortion.
- What is the common mode rejection ratio (CMRR) of the LMV321SQ3T2G at 2.7 V?
The CMRR at 2.7 V is typically 63 dB.
