LM2904DT STMicroelectronics Low-Power Dual Operational Amplifier 1.1MHz 0.6V/µs 3-30V SOIC-8 Automotive Grade

LM2904DT Product Overview

The LM2904DT is a low-power dual operational amplifier from STMicroelectronics, featuring two independent, high-gain op-amps with internal frequency compensation. Designed specifically for automotive and industrial control systems, the LM2904DT supports a single supply voltage of 3V to 30V (or dual supply of ±1.5V to ±15V). Housed in an 8-pin SOIC surface-mount package, the LM2904DT operates over a temperature range of -40℃ to +125℃. The LM2904DT is widely used in sensor amplifiers, DC gain blocks, audio amplifiers, instrumentation, and industrial control systems.

LM2904DT Core Features

Low-power dual op-amp: The LM2904DT has a very low supply current per amplifier, essentially independent of supply voltage, with a quiescent current of 700µA. The LM2904DT features two independent, high-gain op-amps with internal frequency compensation.

Wide supply voltage range: The LM2904DT supports single supply 3V to 30V or dual supply ±1.5V to ±15V.

Gain bandwidth product and slew rate: The LM2904DT provides 1.1MHz GBP, 0.6V/µs slew rate.

Low input bias current and offset: The LM2904DT has 20nA input bias current, 2mV input offset voltage.

Large DC voltage gain: The LM2904DT delivers 100dB large DC voltage gain.

Input common-mode range includes ground.

Wide temperature range: The LM2904DT operates from -40℃ to +125℃.

Standard SOIC-8 package: The LM2904DT comes in an 8-pin SOIC package for surface mount.

LM2904DT Applications

The LM2904DT is used in sensor signal amplifiers

The LM2904DT is used in DC gain blocks

The LM2904DT is used in audio amplifiers

The LM2904DT is used in instrumentation

The LM2904DT is used in industrial control systems

The LM2904DT is used in automotive electronics

The LM2904DT is used in smart meters

The LM2904DT is used in active filters

LM2904DT Key Advantages

Automotive-grade quality: The LM2904DT is designed for automotive and industrial control systems, with -40℃ to +125℃ operating temperature range.

Flexible supply options: The LM2904DT supports single supply 3V to 30V or dual supply ±1.5V to ±15V.

Low power and low input bias: The LM2904DT consumes only 700µA per amplifier, 20nA input bias current.

Internal frequency compensation: The LM2904DT simplifies design by eliminating external compensation components.

Input common-mode range includes ground: The LM2904DT simplifies single-supply system design.

Versatile application: The LM2904DT is a classic and mature dual op-amp solution for sensors, audio, industrial control, and automotive applications.

Why Choose QIXINWEI

Years of experience in the electronics industry. Trusted by global customers.

Massive In-Stock Inventory – Ready to ship promptly

BOM Matching Service – One-stop solution, save time

PCBA Customization – Professional engineering team creates tailor-made solutions based on your needs

Cost-Effective & Efficient – Better channel, better cost

A dedicated team makes your procurement smoother.

Contact us for BOM quotes or PCBA inquiries

FAQ

1. What is LM2904DT?

LM2904DT is a low-power dual operational amplifier from STMicroelectronics, available in an SOIC-8 package. The LM2904DT integrates two independent, high-gain operational amplifiers with internal frequency compensation. The LM2904DT is specifically designed for automotive and industrial control systems, operating stably over a wide voltage range.

2. What are the key specifications of LM2904DT?

• Number of Amplifiers: The LM2904DT has dual (2 independent amplifiers)

• Gain Bandwidth Product (GBP) : The LM2904DT provides 1.1MHz

• Slew Rate (SR) : The LM2904DT delivers 0.6V/µs

• Input Offset Voltage (Vos) : The LM2904DT has 2mV (typical)

• Input Bias Current (Ib) : The LM2904DT has 20nA

• Common Mode Rejection Ratio (CMRR) : The LM2904DT achieves 85dB

• Quiescent Current (Iq) : The LM2904DT consumes 700µA

• Output Current: The LM2904DT provides 40mA

• Large Signal Voltage Gain: The LM2904DT delivers 100dB

• Noise Density: The LM2904DT has 55nV/√Hz@1kHz

3. What package does LM2904DT use?

The LM2904DT uses an SOIC-8 package (Small Outline Integrated Circuit, 8 pins), measuring 4.9mm × 3.9mm. The LM2904DT is a surface-mount device, with supplier device package 8-SOIC. The LM2904DT Moisture Sensitivity Level is MSL 1 (unlimited).

4. What applications is LM2904DT suitable for?

The LM2904DT is widely used in:

• Transducer amplifiers and sensor amplifiers

• DC gain blocks

• Conventional op-amp circuits in single-supply systems

• Automotive and industrial control systems

• Audio processing, signal conditioning, and instrumentation

• AC-coupled amplifiers, DC summing amplifiers, active bandpass filters, etc.

5. What development tools support LM2904DT?

As a standard operational amplifier chip, the LM2904DT does not require dedicated software development tools. Designers can refer to:

• Datasheet: Complete LM2904DT datasheet available on the ST website

• Application Notes: Such as "How to improve op amp immunity to EMI" (AN5798), etc.

• EDA/CAD Models: Available on platforms like DigiKey for the LM2904DT

• Evaluation Board: STEVAL-CCA036V1 single op-amp demonstration board for testing the LM2904DT

6. What is the operating temperature range of LM2904DT?

The operating temperature range of the LM2904DT is -40°C to +125°C. The LM2904DT is an industrial/automotive temperature grade device suitable for harsh environments.

7. What are the key features of LM2904DT?

• Internal frequency compensation: The LM2904DT requires no external compensation components

• Wide supply voltage range: The LM2904DT supports single supply 3V to 30V, dual supply ±1.5V to ±15V

• Low supply current: The LM2904DT consumes approximately 700µA per amplifier, independent of supply voltage magnitude

• Input common-mode voltage range includes negative rail

• Differential input voltage range equal to supply voltage

• Large output voltage swing: The LM2904DT swings 0V to (VCC+ - 1.5V)

8. What are the alternative models for LM2904DT?

• LM2904DR2G (onsemi): Direct functional replacement for the LM2904DT, SOIC-8 package

• LM358DT (ST): Similar alternative to the LM2904DT with comparable functional characteristics

• AS358AMTR-E1 (Diodes Inc): Functionally similar alternative to the LM2904DT

• XL2904D (Xinlong): Domestic alternative option for the LM2904DT

• LM2904WHYDT (ST): Automotive-grade version of the LM2904DT

9. What are the design considerations when using LM2904DT?

• Power decoupling: Place appropriate decoupling capacitors (e.g., 0.1µF) near the power supply pins of the LM2904DT for stable operation

• Single-supply operation: The LM2904DT can be powered directly from a standard +5V logic supply without an additional power supply

• Input/output swing: In single-supply operation of the LM2904DT, the input common-mode voltage range includes ground, and the output can also swing to ground

• Unused amplifier handling: If only one amplifier of the LM2904DT is used, the inputs of the unused amplifier should be tied to ground or a reference voltage — do not leave floating

• ESD protection: The LM2904DT is RoHS and REACH compliant

10. Is LM2904DT environmentally compliant?

Yes. The LM2904DT is RoHS compliant (lead-free) and meets REACH standards. The LM2904DT ECCN rating is EAR99. The LM2904DT part status is Active.