Overview
The LM2904DGKRG4 is a dual operational amplifier produced by Texas Instruments. It is designed as a general-purpose amplifier, featuring two identical circuits, each capable of delivering up to 30mA per channel. This device is suitable for instrumentation amplification and buffer applications, offering high slew rate, low noise, and a wide gain bandwidth product. Although it is noted as obsolete, it remains compatible with surface-mount technology and operates within a temperature range of -40°C to 125°C.
Key Specifications
| Specification | Value |
|---|---|
| Package | 8-Pin VSSOP |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage Range | 3V to 36V (B, BA versions) |
| Quiescent Current | 300µA per channel (typical) |
| Unity-Gain Bandwidth | 1.2MHz (B, BA versions) |
| Input Offset Voltage | 2mV (BA version), 3mV (A, B versions) at 25°C |
| Common-Mode Input Voltage Range | Includes ground |
| RoHS Status | Yes, compliant with 2011/65/EU, 2015/863 |
Key Features
- Wide supply range of 3V to 36V (B, BA versions)
- Low quiescent current of 300µA per channel (typical)
- Unity-gain bandwidth of 1.2MHz (B, BA versions)
- Common-mode input voltage range includes ground, enabling direct sensing near ground
- Low input offset voltage: 2mV (BA version), 3mV (A, B versions) at 25°C
- Internal RF and EMI filter (B, BA versions)
- High slew rate and low noise performance
Applications
The LM2904DGKRG4 is suitable for various applications, including instrumentation amplification, buffer amplifiers, and general-purpose amplification. It is particularly useful in systems that require low noise, high linearity, and a wide gain bandwidth product. Typical use cases include industrial control systems, medical devices, and automotive electronics.
Q & A
- What is the package type of the LM2904DGKRG4?
The LM2904DGKRG4 comes in an 8-Pin VSSOP package. - What is the operating temperature range of the LM2904DGKRG4?
The operating temperature range is -40°C to 125°C. - What is the supply voltage range for the LM2904DGKRG4?
The supply voltage range is 3V to 36V for B and BA versions. - What is the quiescent current of the LM2904DGKRG4?
The quiescent current is 300µA per channel (typical). - What is the unity-gain bandwidth of the LM2904DGKRG4?
The unity-gain bandwidth is 1.2MHz for B and BA versions. - What is the input offset voltage of the LM2904DGKRG4?
The input offset voltage is 2mV for BA version and 3mV for A and B versions at 25°C. - Is the LM2904DGKRG4 RoHS compliant?
Yes, it is compliant with RoHS regulations (2011/65/EU, 2015/863). - What are the typical applications of the LM2904DGKRG4?
Typical applications include instrumentation amplification, buffer amplifiers, and general-purpose amplification in industrial control systems, medical devices, and automotive electronics. - Why is the LM2904DGKRG4 considered obsolete?
Although it is noted as obsolete, it still maintains compatibility with surface-mount technology and is available for purchase. - How should the LM2904DGKRG4 be handled?
The device should be handled carefully due to its sensitive nature.
