Overview
The LM2904DGK is a dual operational amplifier produced by Texas Instruments. It is part of the LM2904 series, which includes next-generation versions of industry-standard operational amplifiers. These devices are designed to provide high performance and reliability in a variety of applications. The LM2904DGK is packaged in a VSSOP (DGK) package with 8 pins, making it suitable for space-constrained designs. It operates over a wide temperature range of -40°C to 125°C, ensuring robust performance in diverse environmental conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | VSSOP (DGK) | - |
| Pins | 8 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage Range | 3 to 36 | V |
| Quiescent Current per Amplifier | 300 µA | - |
| Unity-Gain Bandwidth | 1.2 MHz | - |
| Input Offset Voltage at 25°C | 2 to 3 mV | - |
| Differential Input Voltage Range | ±32 V | - |
| Slew Rate at Unity Gain | 0.3 V/µs | - |
Key Features
- Wide Supply Range: The LM2904DGK can operate from a single supply voltage of 3V to 36V or from dual supplies of ±1.5V to ±18V.
- Low Quiescent Current: Each amplifier has a typical quiescent current of 300 µA, which is independent of the supply voltage magnitude.
- High Unity-Gain Bandwidth: The device features a unity-gain bandwidth of 1.2 MHz, making it suitable for high-frequency applications.
- Common-Mode Input Voltage Range: The common-mode input voltage range includes ground, allowing for direct sensing near ground.
- Low Input Offset Voltage: The input offset voltage is typically 2 to 3 mV at 25°C, ensuring high accuracy in amplification).
- Internal RF and EMI Filter: The device includes internal RF and EMI filters, enhancing its performance in noisy environments).
- High ESD Protection: The LM2904DGK has high ESD protection, exceeding 2kV HBM, making it robust against electrostatic discharge).
Applications
The LM2904DGK is versatile and can be used in various applications, including:
- Transducer Amplifiers: It can be used to amplify signals from transducers in industrial and medical applications).
- DC Amplification Blocks: Suitable for dc amplification in single-supply-voltage systems, such as in digital systems requiring interface electronics).
- Conventional Operational Amplifier Circuits: It can be used in all conventional operational amplifier circuits, especially where low power consumption and high performance are required).
- Environmental Monitoring: The wide operating temperature range and robust design make it suitable for environmental monitoring and control systems).
Q & A
- What is the operating temperature range of the LM2904DGK?
The operating temperature range of the LM2904DGK is -40°C to 125°C).
- What is the supply voltage range for the LM2904DGK?
The LM2904DGK can operate from a single supply voltage of 3V to 36V or from dual supplies of ±1.5V to ±18V).
- What is the typical quiescent current per amplifier?
The typical quiescent current per amplifier is 300 µA).
- What is the unity-gain bandwidth of the LM2904DGK?
The unity-gain bandwidth is 1.2 MHz).
- Does the LM2904DGK have internal RF and EMI filters?
Yes, the LM2904DGK includes internal RF and EMI filters).
- What is the input offset voltage at 25°C?
The input offset voltage at 25°C is typically 2 to 3 mV).
- What is the differential input voltage range for the LM2904DGK?
The differential input voltage range is ±32 V).
- What is the slew rate at unity gain for the LM2904DGK?
The slew rate at unity gain is 0.3 V/µs).
- Is the LM2904DGK suitable for high-frequency applications?
Yes, due to its high unity-gain bandwidth and slew rate, it is suitable for high-frequency applications).
- What kind of packaging does the LM2904DGK come in?
The LM2904DGK comes in a VSSOP (DGK) package with 8 pins).
