Overview
The LM2904QPWRQ1 is an automotive-grade dual operational amplifier manufactured by Texas Instruments. It is designed to meet the stringent requirements of the automotive industry, adhering to AEC-Q100 specifications. This device is part of the LM2904-Q1 series, which includes next-generation versions such as the LM2904B-Q1 and LM2904BA-Q1. These operational amplifiers are known for their low power consumption, wide supply voltage range, and high stability, making them ideal for various automotive and industrial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | TSSOP (PW) | |
| Number of Pins | 8 | |
| Operating Temperature Range | -40 to 125 | °C |
| Total Supply Voltage (Min/Max) | 3 V / 26 V (or ±5V to ±13V) | V |
| Unity-Gain Bandwidth (Typical) | 0.7 MHz (LM2904-Q1), 1.2 MHz (LM2904B-Q1) | MHz |
| Common-Mode Rejection Ratio (Typical) | 80 dB | dB |
| Input Offset Voltage (Maximum) | 2 mV (LM2904BA-Q1), 3 mV (LM2904B-Q1) | mV |
| Quiescent Current per Channel (Typical) | 300 µA | µA |
| Output Current (Typical) | 30 mA | mA |
| Slew Rate (Typical) | 0.3 V/µs | V/µs |
| ESD Protection | 2 kV (HBM) | kV |
Key Features
- Low power consumption with a typical quiescent current of 300 µA per channel.
- Wide supply voltage range from 3 V to 26 V (or ±5V to ±13V).
- Unity-gain stability and high differential input voltage capability.
- Low input offset voltage of 2 mV (LM2904BA-Q1) and 3 mV (LM2904B-Q1) at 25°C.
- Common-mode input voltage range includes ground, enabling direct sensing near ground.
- Internal RF and EMI filters for enhanced noise immunity.
- High ESD protection of 2 kV (HBM).
- Rail-to-rail output swing capability.
- AEC-Q100 qualified for automotive applications.
Applications
- Automotive electronic systems, including lighting, body electronics, and head units.
- Telematics control units and emergency call (eCall) systems.
- Passive safety systems such as brake systems.
- Electric vehicle and hybrid electric vehicle applications, including inverter and motor control, on-board chargers (OBC), and wireless chargers.
- Battery management systems (BMS).
- Motor control systems and power supplies.
Q & A
- What is the LM2904QPWRQ1?
The LM2904QPWRQ1 is an automotive-grade dual operational amplifier manufactured by Texas Instruments.
- What are the key features of the LM2904QPWRQ1?
Key features include low power consumption, wide supply voltage range, low input offset voltage, common-mode input range to ground, and internal RF and EMI filters.
- What is the operating temperature range of the LM2904QPWRQ1?
The operating temperature range is from -40°C to 125°C.
- What is the typical quiescent current per channel for the LM2904QPWRQ1?
The typical quiescent current per channel is 300 µA.
- What is the ESD protection level of the LM2904QPWRQ1?
The device has an ESD protection level of 2 kV (HBM).
- What are some common applications of the LM2904QPWRQ1?
Common applications include automotive electronic systems, telematics, passive safety systems, electric vehicle systems, and battery management systems.
- What is the package type of the LM2904QPWRQ1?
The package type is TSSOP (PW) with 8 pins.
- Is the LM2904QPWRQ1 AEC-Q100 qualified?
Yes, the LM2904QPWRQ1 is AEC-Q100 qualified for automotive applications.
- What is the unity-gain bandwidth of the LM2904QPWRQ1?
The unity-gain bandwidth is typically 0.7 MHz for the LM2904-Q1 and 1.2 MHz for the LM2904B-Q1.
- Does the LM2904QPWRQ1 have internal RF and EMI filters?
Yes, the device includes internal RF and EMI filters for enhanced noise immunity.
