Overview
The LM2902LV-Q1 is a low-voltage, industry-standard operational amplifier (op amp) from Texas Instruments, designed for cost-sensitive systems. This device is part of the LM290xLV-Q1 family, which includes both dual and quad-channel variants. It is optimized for automotive applications and offers superior performance at low voltages with reduced power consumption. The LM2902LV-Q1 operates within a supply voltage range of 2.7 V to 5.5 V, making it suitable for a wide range of general-purpose automotive and industrial applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 2.7 | - | 5.5 | V |
| Quiescent Current per Amplifier | 90 | 150 | 160 | µA |
| Input Offset Voltage | - | ±1 | - | mV |
| Unity-Gain Bandwidth | - | 1 | - | MHz |
| Slew Rate | - | 1.5 | - | V/µs |
| Settling Time (0.1%) | - | 4 | - | µs |
| Settling Time (0.01%) | - | 5 | - | µs |
| Overload Recovery Time | - | 1 | - | µs |
| Total Harmonic Distortion + Noise | - | 0.005% | - | % |
| Output Voltage Swing (Positive) | - | 1 | - | V |
| Output Voltage Swing (Negative) | - | 40 | - | mV |
| Short-Circuit Current | - | ±40 | - | mA |
| Open-Loop Output Impedance | - | 1200 | - | Ω |
| Operating Temperature Range | -40 | - | 125 | °C |
| ESD Rating (HBM) | - | 2 kV | - | - |
Key Features
- Industry-standard amplifier for cost-sensitive systems
- Low input offset voltage: ±1 mV
- Common-mode voltage range includes ground
- Unity-gain bandwidth: 1 MHz
- Low broadband noise: 40 nV/√Hz
- Low quiescent current: 90 µA/Ch
- Unity-gain stable
- Operational at supply voltages from 2.7 V to 5.5 V
- Offered in dual- and quad-channel variants
- Robust ESD specification: 2-kV HBM, 1-kV CDM
- Extended operating temperature range: –40°C to 125°C
Applications
- Optimized for AEC-Q100 grade 1 applications
- Infotainment and cluster systems
- Passive safety systems
- Body electronics and lighting systems
- HEV/EV inverter and motor control systems
- On-board (OBC) and wireless charger systems
- Powertrain current sensor applications
- Advanced driver assistance systems (ADAS)
- Single-supply, low-side, unidirectional current-sensing circuits
Q & A
- What is the supply voltage range of the LM2902LV-Q1?
The LM2902LV-Q1 operates within a supply voltage range of 2.7 V to 5.5 V.
- What is the typical quiescent current per amplifier for the LM2902LV-Q1?
The typical quiescent current per amplifier is 150 µA.
- What is the input offset voltage of the LM2902LV-Q1?
The input offset voltage is ±1 mV.
- Is the LM2902LV-Q1 unity-gain stable?
- What are the available package options for the LM2902LV-Q1?
The LM2902LV-Q1 is available in SOIC, TSSOP, and SOT-23 packages.
- What is the ESD rating of the LM2902LV-Q1?
The ESD rating is 2 kV HBM and 1 kV CDM.
- What is the operating temperature range of the LM2902LV-Q1?
The operating temperature range is –40°C to 125°C.
- What are some typical applications of the LM2902LV-Q1?
Typical applications include infotainment and cluster systems, passive safety systems, body electronics and lighting, HEV/EV inverter and motor control, and advanced driver assistance systems (ADAS).
- Does the LM2902LV-Q1 support single-supply operation?
- What is the slew rate of the LM2902LV-Q1?
The slew rate is 1.5 V/µs.
