Overview
The LMV321SN3T1G 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 LMV321SN3T1G is designed for applications requiring low power consumption and space-saving packages, making it ideal for portable and battery-operated equipment.
It operates from a single-sided power supply ranging from 2.7 V to 5.0 V and features ultra-low quiescent current, rail-to-rail output swing, and no output crossover distortion or phase-reversal from overdriven inputs. 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 | ||||
| Operating Ambient Temperature Range | TA | -40 | 85 | °C | ||
| Thermal Resistance (SC-70) | θJA | 280 | °C/W | |||
| Input Offset Voltage | VIO | TA = 25°C, V+ = 2.7 V | 1.7 | 9 | mV | |
| Input Bias Current | IB | TA = 25°C, V+ = 2.7 V | <1 | nA | ||
| Common Mode Rejection Ratio | CMRR | 0 V ≤ VCM ≤ 1.7 V | 50 | 63 | dB | |
| Power Supply Rejection Ratio | PSRR | 2.7 V ≤ V+ ≤ 5 V, VO = 1 V | 50 | 60 | dB | |
| Output Swing (RL = 10 kΩ) | VOH/VOL | V+ = 2.7 V | VCC - 100 | VCC - 10 | mV | mV |
| Supply Current | ICC | V+ = 2.7 V | 80 | 140 | 260 | μA |
Key Features
- Operation from 2.7 V to 5.0 V single-sided power supply
- Rail-to-rail output swing for improved signal-to-noise performance
- Ultra-low quiescent current, making it ideal for portable and battery-operated equipment
- No output crossover distortion or phase-reversal from overdriven inputs
- Common mode input range includes ground, useful for low-side current-shunt measurements
- Ultra small packages (e.g., SC-70, TSOP-5) for reduced noise pickup and space-saving designs
- Pb-free, halogen-free, and RoHS compliant
- AEC-Q100 qualified and PPAP capable for automotive and other demanding applications (NCV prefix)
Applications
- Notebook computers and PDAs
- Portable battery-operated instruments
- Active filters
- Low-side current-shunt measurements
- Automotive and industrial applications requiring AEC-Q100 qualification (NCV prefix)
Q & A
- What is the operating voltage range of the LMV321SN3T1G?
The LMV321SN3T1G operates from a single-sided power supply ranging from 2.7 V to 5.0 V.
- What is the typical quiescent current of the LMV321SN3T1G?
The typical quiescent current is 140 μA at 2.7 V supply voltage.
- Does the LMV321SN3T1G have rail-to-rail output swing?
- What are the common package types available for the LMV321SN3T1G?
The LMV321SN3T1G is available in ultra small packages such as SC-70 and TSOP-5.
- Is the LMV321SN3T1G suitable for automotive applications?
- What is the maximum operating temperature of the LMV321SN3T1G?
The maximum operating ambient temperature range is -40°C to 85°C.
- Does the LMV321SN3T1G have any special environmental compliance?
- What are some typical applications of the LMV321SN3T1G?
Typical applications include notebook computers, PDAs, portable battery-operated instruments, and active filters.
- What is the input common mode voltage range of the LMV321SN3T1G?
The input common mode voltage range is from 0 to V+ - 0.2 V to V+ + 0.2 V.
- Does the LMV321SN3T1G have any output phase-reversal issues?
No, the LMV321SN3T1G does not have output phase-reversal from overdriven inputs.
