Overview
The LM2902KVQPWRQ1, part of the LM2902-Q1 family, is an industry-standard operational amplifier designed and qualified for automotive applications by Texas Instruments. This device is AEC-Q100 certified, ensuring it meets the stringent requirements for automotive use. The LM2902KVQPWRQ1 features four high-gain, frequency-compensated operational amplifiers that can operate from a single supply over a wide range of voltages, as well as from split supplies. It is particularly suited for cost-sensitive applications due to its low offset voltage, high differential input voltage capability, and enhanced ESD protection.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Supply Voltage, VCC | TA = 25°C | - | - | 40 | V |
| Differential Input Voltage, VID | TA = 25°C | - | - | ±40 | V |
| Input Offset Voltage, VOS | TA = –40°C to 125°C | ±0.3 | ±3.0 | ±4.0 | mV |
| Input Offset Voltage Drift, dVOS/dT | TA = –40°C to 125°C | - | ±7 | - | μV/°C |
| Quiescent Current per Amplifier, IQ | VS = 5V; IO = 0A, TA = –40°C to 125°C | 175 | 300 | 350 | μA |
| Common-Mode Input Voltage Range, VICR | VCC = 5V to 26V, TA = 25°C | 0 to VCC – 1.5 | - | 0 to VCC – 2 | V |
| High-Level Output Voltage, VOH | RL = 10kΩ, TA = 25°C | VCC – 1.5 | - | - | V |
| Low-Level Output Voltage, VOL | RL ≤ 10kΩ, TA = 25°C | - | - | 20 | mV |
| Operating Virtual Junction Temperature, TJ | - | - | - | 150 | °C |
| Storage Temperature Range, Tstg | - | - | - | –65 to 150 | °C |
Key Features
- AEC-Q100 Qualified: Meets automotive industry standards for reliability and performance.
- High Voltage Operation: Can operate from a single supply of 5V to 36V or from split supplies.
- Low Offset Voltage: Typical offset voltage of 0.3mV and maximum of 3mV for LM2902B-Q1 and 2mV for LM2902BA-Q1.
- High Differential Input Voltage Capability: Up to ±40V.
- Enhanced ESD Protection: 2kV HBM ESD classification.
- Integrated EMI and RF Filters: Enhances robustness in environmentally challenging applications.
- Low Quiescent Current: Typical quiescent current of 240µA per amplifier.
- Unity-Gain Stability: Simplifies circuit design.
- Wide Operating Temperature Range: From –40°C to +125°C.
Applications
- Automotive Systems: Emergency call (eCall), passive safety systems (e.g., brake systems), electric vehicle/hybrid electric vehicle systems (inverter and motor control, on-board charger, wireless charger, battery management system).
- Transducer Amplifiers: For converting sensor signals into usable electrical signals.
- DC Amplification Blocks: In various analog circuits requiring stable DC amplification.
- Conventional Operational Amplifier Circuits: Suitable for single-supply-voltage systems, including those used in digital systems.
Q & A
- What is the LM2902KVQPWRQ1 qualified for?
The LM2902KVQPWRQ1 is AEC-Q100 qualified for automotive applications.
- What is the operating temperature range of the LM2902KVQPWRQ1?
The operating temperature range is from –40°C to +125°C.
- What is the typical input offset voltage of the LM2902KVQPWRQ1?
The typical input offset voltage is 0.3mV for LM2902B-Q1 and 0.3mV for LM2902BA-Q1.
- What is the maximum differential input voltage for the LM2902KVQPWRQ1?
The maximum differential input voltage is ±40V.
- Does the LM2902KVQPWRQ1 have built-in ESD protection?
Yes, it has 2kV HBM ESD classification.
- What is the typical quiescent current per amplifier for the LM2902KVQPWRQ1?
The typical quiescent current per amplifier is 240µA.
- Can the LM2902KVQPWRQ1 operate from a single supply or split supplies?
Yes, it can operate from a single supply of 5V to 36V or from split supplies.
- What are some common applications of the LM2902KVQPWRQ1?
Common applications include automotive systems, transducer amplifiers, DC amplification blocks, and conventional operational amplifier circuits.
- What is the storage temperature range for the LM2902KVQPWRQ1?
The storage temperature range is from –65°C to 150°C.
- Does the LM2902KVQPWRQ1 have integrated EMI and RF filters?
Yes, it has integrated EMI and RF filters to enhance robustness in environmentally challenging applications.
