LM258DT

Dual Op-Amp, 3V-32V Single Supply, 1.1MHz GBW, SOIC-8

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Manufacturer Part：

LM258DT

Package：

SOIC-8, 4.9 x 3.9 x 1.5 mm

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Description

Product Overview

The LM258DT is a dual operational amplifier from Texas Instruments LM158/LM258/LM358 family, featuring two independent, high-gain, internally frequency-compensated op-amps in an SOIC-8 surface-mount package. Optimized for single-supply operation from 3V to 32V, the input common-mode range extends down to ground, making it ideal for single-supply sensor interfaces, active filters, comparators, and buffer stages. With unity-gain bandwidth of 1.1MHz and 0.5mA per-channel quiescent current, the LM258 delivers reliable general-purpose performance at exceptional value for cost-sensitive industrial and consumer applications.

Key Specifications

Parameter Value
Manufacturer Texas Instruments
Part Number LM258DT
Product Category Operational Amplifiers
Number of Channels 2 (Dual)
Supply Voltage Range 3V to 32V single supply
Input Offset Voltage 2 mV typical
Input Bias Current 45 nA typical
Gain Bandwidth Product 1.1 MHz typical
Slew Rate 0.5 V/µs typical
Open-Loop Gain 100 dB typical
Package / Case SOIC-8
Operating Temperature 0°C to +70°C

Features

  • Two independent operational amplifiers in single package
  • Wide single-supply voltage range: 3V to 32V
  • Input common-mode voltage includes ground (0V)
  • Internally frequency compensated for unity gain
  • Large DC voltage gain: 100 dB typical
  • Wide bandwidth (unity-gain): 1.1 MHz typical
  • Low supply current: 0.5 mA per amplifier
  • Low input bias current: 45 nA typical
  • Output source/sink: 20 mA / 10 mA
  • Industry-standard SOIC-8 pinout

Applications

  • Active filters and signal conditioning
  • Comparators and level shifters
  • Transducer amplifiers and sensor interfaces
  • DC gain blocks and voltage followers
  • Power supply control and monitoring circuits

The LM258DT is a dual operational amplifier from Texas Instruments industry-standard LM158/LM258/LM358 family. This device contains two independent, high-gain, internally frequency-compensated operational amplifiers specifically designed for single-supply operation.

What distinguishes the LM258 from traditional dual-supply op-amps is its ability to operate with input voltages down to 0V (ground). The input stage uses PNP differential transistors that allow the common-mode input range to include the negative supply rail, a critical feature for single-supply sensor applications where signals are referenced to ground.

Each amplifier features a typical open-loop gain of 100dB and unity-gain bandwidth of 1.1MHz, with internal Miller compensation ensuring stability even at unity gain. The output stage can source up to 20mA and sink 10mA, sufficient for driving moderate loads and most analog circuit configurations.

The LM258DT is supplied in an SOIC-8 surface-mount package, offering a compact footprint suitable for space-constrained designs. This commercial-grade version is rated for operation from 0°C to +70°C. The LM258 is one of the most widely used dual op-amps in the industry, with multiple second sources ensuring supply chain flexibility.

The LM258 is a classic BJT-based operational amplifier with three primary internal stages:

1. Input Differential Stage: A PNP differential pair forms the input stage. The PNP transistors allow the input common-mode voltage to extend down to the negative supply (ground in single-supply operation). An NPN current mirror serves as the active load, converting the differential signal to a single-ended output while providing high gain.

2. Gain Stage (Second Stage): A common-emitter amplifier with an active current-mirror load provides the majority of the voltage gain (typically 60-80dB). A Miller compensation capacitor (integrated) is connected from output to input of this stage, providing frequency compensation for unity-gain stability. This creates a dominant pole that rolls off the gain at -20dB/decade.

3. Output Stage: A Class AB push-pull output stage drives the external load. An NPN transistor sources current to the load, while a PNP transistor sinks current. The output voltage can swing from near ground (within ~20-200mV depending on load) to within about 1.5V of the positive supply.

4. Bias Network: A bandgap-based bias reference generates stable current references for all stages, ensuring consistent performance across supply voltage and temperature.

5. Key Performance: Gain-bandwidth product ~1.1 MHz, slew rate ~0.5 V/µs, phase margin ~60° at unity gain, input noise ~40 nV/√Hz at 1kHz.

Pin Name Type Description
1 1OUT Output Output of Amplifier A (Channel 1)
2 1IN- Input Inverting (-) input of Amplifier A
3 1IN+ Input Non-inverting (+) input of Amplifier A
4 GND/VEE Power Negative power supply. For single-supply operation, connect to ground (0V).
5 2IN+ Input Non-inverting (+) input of Amplifier B
6 2IN- Input Inverting (-) input of Amplifier B
7 2OUT Output Output of Amplifier B (Channel 2)
8 VCC/V+ Power Positive power supply (3V to 32V). Decouple to GND with 0.1µF ceramic.
  • Signal conditioning for temperature and pressure sensors
  • Active low-pass, high-pass, and band-pass filters
  • Voltage followers and unity-gain buffer stages
  • Comparators with hysteresis (Schmitt triggers)
  • Current sensing and current-to-voltage conversion
Manufacturer Part Number Package Notes
Texas Instruments LM358DR SOIC-8 Extended temp (-40 to 85°C)
Texas Instruments LM2904DR SOIC-14 Quad op-amp (4 channels)
STMicroelectronics LM258DT SOIC-8 Pin-compatible direct alternative
ON Semiconductor LM258DR2G SOIC-8 Direct substitute
NXP LM258AD SOIC-8 Alternative source
Microchip MCP6002 SOIC-8 1.8V CMOS low-power option
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • Automotive Electronics: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
  • Medical Devices: High-reliability components meet medical industry safety and compliance regulations, ensuring stable operation for medical equipment.
  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

Contact Us

If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

1. Payment Terms

We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
  1. Accepted Payment Methods
  • T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
  • PayPal: Ideal for small orders, sample orders and quick payments.

  1. Settlement Currency

     

    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

  2. Bank Charges

     

    All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.

  3. Payment Requirements
  • Sample and small orders: Shipment will be arranged upon full payment.
  • In-stock bulk orders: Goods will be delivered within 2 to 3 working days after full payment.

2. Shipping & Delivery

We partner with leading global logistics providers to ensure safe and fast delivery worldwide. Relevant details are listed below:
  1. Logistics Partners
  • International Express: DHL, FedEx, UPS, TNT
  • Economy Logistics: Air freight and sea freight for large-volume cargo
  • Domestic Delivery: SF Express, Yunda Express
  1. Order Processing Time
  • In-stock items: Orders confirmed and fully paid before 14:00 (GMT+8) will be shipped on the same day. All other orders will be dispatched within 1 to 2 working days.
  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
  1. Estimated Transit Time
  • International Express: 3 – 7 working days globally
  • Air Freight: 7 – 12 working days
  • Sea Freight: 25 – 40 working days for heavy and large bulk cargo
  1. Shipping Fee Rules
  • Shipping cost is calculated based on package weight, volume, destination and delivery method.
  • Both freight prepaid and freight collect are available. Please provide your courier account number in advance if you choose freight collect.
  • Free international express delivery is offered for large orders. Terms for long-term partners can be negotiated separately.
  1. Shipment Tracking
     

    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

3. General Order Rules & Notes

  1. MOQ & Sample Service

     

    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

  2. Packaging Standard

     

    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

4. Customs & Liability Statement

  1. Import Duties & Taxes

     

    All import duties, customs clearance fees and local taxes incurred for international shipments shall be borne by the buyer. We will provide complete customs documents to assist you with clearance procedures.

  2. Handling of Lost or Damaged Goods
  • In case of loss or severe damage during transit, please contact us within 48 hours after receiving the tracking information. We will assist you in filing a claim with the logistics provider.
  • We shall not be liable for any losses caused by incorrect delivery address, wrong contact information or the buyer’s refusal to complete customs clearance.

5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
  • Shockproof buffer materials are added for fragile products to ensure transportation safety;
  • Each package is clearly marked with part number, quantity, batch number and specifications for easy inventory counting and management.

2. Classified Professional Packaging

  • Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
  • Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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