Overview
The LMV358AQDGKRQ1 is a dual-channel, low-voltage operational amplifier (op amp) designed by Texas Instruments for automotive applications. It is part of the LMV3xxA-Q1 family, which includes single, dual, and quad-channel variants. This op amp is optimized for low-voltage operation, ranging from 2.5 V to 5.5 V, and features rail-to-rail output swing capabilities, making it suitable for space-constrained applications such as infotainment, lighting, and various automotive systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | VSSOP (DGK) | |
| Pins | 8 | |
| Operating Temperature Range | –40°C to 125°C | °C |
| Supply Voltage Range | 2.5 V to 5.5 V | V |
| Input Offset Voltage | ±1 mV (typical), ±5 mV (max over temperature) | mV |
| Unity-Gain Bandwidth | 1 MHz | Hz |
| Low Broadband Noise | 30 nV/√Hz | nV/√Hz |
| Input Bias Current | 10 pA (typical) | pA |
| Quiescent Current per Amplifier | 70 µA (typical), 150 µA (max over temperature) | µA |
| Output Swing | 20 mV to 50 mV from supply rails (RL = 10 kΩ) | mV |
| Short-Circuit Current | ±40 mA | mA |
| Open-Loop Output Impedance | 1200 Ω | Ω |
Key Features
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C to +125°C
- Device HBM ESD classification level 2 and CDM ESD classification level C6
- Low input offset voltage: ±1 mV
- Rail-to-rail output swing
- Unity-gain bandwidth: 1 MHz
- Low broadband noise: 30 nV/√Hz
- Low input bias current: 10 pA
- Low quiescent current: 70 µA/Ch
- Unity-gain stable
- Internal RFI and EMI filter
- Operational at supply voltages as low as 2.5 V
- Easier to stabilize with higher capacitive load due to resistive open-loop output impedance
Applications
- Infotainment and cluster systems
- Passive safety systems
- Body electronics and lighting
- HEV/EV inverter and motor control
- 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 operating temperature range of the LMV358AQDGKRQ1?
The operating temperature range is –40°C to 125°C. - What is the supply voltage range for the LMV358AQDGKRQ1?
The supply voltage range is 2.5 V to 5.5 V. - What is the typical input offset voltage of the LMV358AQDGKRQ1?
The typical input offset voltage is ±1 mV. - What is the unity-gain bandwidth of the LMV358AQDGKRQ1?
The unity-gain bandwidth is 1 MHz. - Is the LMV358AQDGKRQ1 AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified for automotive applications. - What is the quiescent current per amplifier for the LMV358AQDGKRQ1?
The quiescent current per amplifier is typically 70 µA. - Does the LMV358AQDGKRQ1 have internal RFI and EMI filters?
Yes, it features internal RFI and EMI filters. - What is the maximum short-circuit current for the LMV358AQDGKRQ1?
The maximum short-circuit current is ±40 mA. - What is the open-loop output impedance of the LMV358AQDGKRQ1?
The open-loop output impedance is 1200 Ω. - In what package is the LMV358AQDGKRQ1 available?
The LMV358AQDGKRQ1 is available in a VSSOP (DGK) package with 8 pins.
