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  • LM2904

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LM2904

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Dual, 1MHz, Operational Amplifiers for Commercial Industrial, and Military Applications

Manufacturer : ON Semiconductor, LLC
Package/Case : SOP-8
Product Categories : Amplifier ICs
Datasheet: LM2904 Datasheet (PDF)
RoHs Status: Lead free / RoHS Compliant
In-stock: 10000

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LM2904 Product Details

LM2904 Description

The LM2904 series comprises both quad and dual high-gain operational amplifiers, featuring exceptionally low input offset voltage specifications. These amplifiers are engineered to function effectively on a single power supply within a wide range of voltage levels. Additionally, they can operate with split power supplies if needed. Furthermore, they exhibit low power supply current, a characteristic that remains consistent regardless of the power supply voltage's magnitude.

The LM2904 series amplifiers are qualified for operation in temperature environments spanning from -40°C to +125°C. The dual amplifiers are available in SO-8, MSOP-8, and TSSOP-8 packages, while the quad amplifiers are offered in SO-14 and TSSOP-14 packages, all adhering to industry-standard pin configurations. It's worth noting that both variants utilize environmentally friendly green mold compounds as a standard feature.


1. Internal Frequency Compensation for Unity Gain
2. High DC Voltage Gain : 100dB (Typ)
3. Wide Bandwidth at Unity Gain : 1MHz (Typ)
4. Wide Power Supply Range : Single Supply = 3V to 30V
5. Dual Supplies : ±1.5V to ±15V
6. Low Supply Current : 1.5 mA (Typ)
7. Low Input Bias Current
8. Low Input Offset Voltage and Current
9. Input Common-Mode Voltage Range Includes Ground
10. Differential Input Voltage Range Equal to V+ Range

LM2904

Feature

  • Wide Supply Range: The LM2904 is available in versions with a wide supply voltage range, typically spanning from 3 volts to 36 volts. This flexibility in supply voltage allows it to operate in diverse voltage environments.

  • Low Quiescent Current: In its B and BA versions, the LM2904 exhibits low quiescent current, drawing only 300 µA per channel. This feature contributes to power efficiency, especially in battery-powered or low-power applications.

  • Unity-Gain Bandwidth: The B and BA versions of the LM2904 offer a unity-gain bandwidth of 1.2 MHz. This parameter determines the operational amplifier's ability to amplify signals with unity gain while maintaining stability and bandwidth.

  • Common-Mode Input Range: The LM2904's common-mode input voltage range includes ground, allowing it to sense signals near ground potential without distortion. This feature is particularly useful in applications where sensing close to ground is essential.

  • Low Input Offset Voltage: The A, B, and BA versions of the LM2904 have low input offset voltage, typically 2 mV at 25°C (BA version) and 3 mV at 25°C (A, B versions). Low input offset voltage ensures accurate signal processing and minimizes errors in measurement applications.

  • Internal RF and EMI Filter: In the B and BA versions, the LM2904 includes an internal radio-frequency (RF) and electromagnetic interference (EMI) filter. This filter helps reduce unwanted noise and interference, enhancing the operational amplifier's performance in sensitive applications.

  • MIL-PRF-38535 Compliance: For products compliant with MIL-PRF-38535, all parameters undergo thorough testing. This ensures that the LM2904 meets the stringent requirements of military and aerospace applications. In other product variants, production processes may differ.

Applications

  • Merchant Network and Server Power Supply Units: LM2904 operational amplifiers are employed in power supply units for merchant networks and servers. Their stability and efficiency contribute to the reliable operation of these critical systems.

  • Multi-Function Printers: In multi-function printers, LM2904 op-amps assist in signal processing tasks, ensuring high-quality printing, scanning, and copying functions.

  • Power Supplies and Mobile Chargers: LM2904 op-amps are integrated into power supplies and mobile chargers to regulate voltage and current, delivering safe and efficient charging to various electronic devices.

  • Motor Control: The LM2904 is used in motor control applications across a wide range of motor types, including AC induction, brushed DC, brushless DC, high-voltage, low-voltage, permanent magnet, and stepper motors. Its precise control capabilities are essential for motor-driven systems.

  • Desktop PC and Motherboard: These op-amps can be found in desktop PCs and motherboards, where they play a role in various signal processing functions and voltage regulation.

  • Indoor and Outdoor Air Conditioners: LM2904 amplifiers contribute to the control and monitoring of indoor and outdoor air conditioning systems, helping maintain temperature and comfort levels.

  • Washers, Dryers, and Refrigerators: In household appliances like washing machines, dryers, and refrigerators, LM2904 op-amps assist in sensor signal processing, control, and overall system efficiency.

  • AC Inverters, String Inverters, Central Inverters, and Voltage Frequency Drives: These amplifiers are utilized in the field of renewable energy, playing a critical role in the operation and control of inverters and drives used in solar power and motor control applications.

  • Uninterruptible Power Supplies (UPS): LM2904 op-amps are integral to UPS systems, ensuring smooth power transitions and reliable backup power during electrical outages.

  • Electronic Point-of-Sale (EPOS) Systems: In EPOS systems, LM2904 operational amplifiers are used for signal conditioning and data processing, facilitating secure and efficient transactions in retail and hospitality industries.


LM2904 Equivalent Parts

  • LM358: The LM358 is a popular dual-operational amplifier that shares similarities with the LM2904. It offers a wide supply voltage range and is widely used in applications such as signal conditioning, voltage amplification, and sensor interfaces. Both the LM358 and LM2904 belong to the same family of operational amplifiers and can be interchanged in many circuits with minimal modifications.

  • UA741: The UA741 is a classic single-operational amplifier that, like the LM2904, has been a workhorse in the electronics industry for decades. While it's a single op-amp, it can be used in various configurations to achieve similar functionality to the LM2904. The UA741 is well-suited for amplification tasks, voltage followers, and basic signal processing applications.

Technical Parameters

  • Manufacturer
  • ON
  • Packing
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free / RoHS Compliant
  • Package/Case
  • SOP-8

LM2904 Equivalent Parts

For the LM2904 component, you may consider these replacement and alternative parts.

Models Manufacturer Package/Case Description
NJM2904

LM2904 Related Products

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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

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Guarantees

1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that LM2904 is the original manufacturer or agent of ON?
We have a professional business development department to strictly test and verify the qualifications of ON original manufacturers and agents. All ON suppliers must pass the qualification review before they can publish their LM2904 devices; we pay more attention to the channels and quality of LM2904 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of LM2904 chips? Including ON original factory information, application, LM2904 pictures?
You can use Jotrin's intelligent search engine, or filter by Amplifier ICs category, or find it through ON Semiconductor, LLC Information page.
Q: Are the ON's LM2904 price and stock displayed on the platform accurate?
The ON's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LM2904, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of LM2904?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM2904 we delivered, we will accept the replacement or return of the LM2904 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of LM2904.
(3)The LM2904 is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
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ON Semiconductor, LLC

ON
ON Semiconductor is a technology innovation enabler in energy-efficient electronics that enables design engineers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help customers solve...

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