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الصفحة الرئيسية > الدوائر المتكاملة الدوائر المتكاملة > الدوائر المتكاملة الخطية التناظرية > TL082CDT

TL082CDT

Dual JFET Op-Amp, 4MHz GBW, 16V/us, SOIC-8

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جزء الشركة المصنعة ： جزء الشركة المصنعة

TL082CDT

الحزمة ： الحزمة

SOIC-8 (4.9 × 3.9 × 1.5 مم، 1.27 مم، 1.27 مم)

العلامة التجارية ： العلامة التجارية
فئات المنتجات:：فئات المنتجات
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الوصف

نظرة عامة على المنتج

The TL082CDT from STMicroelectronics is a dual JFET-input operational amplifier with 4MHz GBW, 16V/us slew rate, 6-36V supply, and SOIC-8 package.

المواصفات الرئيسية

النوع Dual JFET-Input Operational Amplifier
القنوات 2
نطاق جهد الإمداد 6V to 36V (+/-3V to +/-18V)
Gain Bandwidth Product 4 MHz (typical) @ +/-15V
معدل الدوران 16 V/us (typical) @ +/-15V
جهد إزاحة المدخلات 3 mV (typical), 10 mV (max)
تيار تحيز الإدخال 20 pA (typical) @ +/-15V, 25C
Supply Current 1.4 mA (typical) per channel @ +/-15V
CMRRR 70 dB (min)
Input Impedance 10^12 Ohm (typical, JFET input)
THD 0.01% (typical) @ +/-15V
Output Short-Circuit Protection Yes
الحزمة SOIC-8 (D suffix)
درجة حرارة التشغيل 0C to +70C (C grade)

الميزات

  • Dual JFET-input op-amp with high input impedance
  • 4MHz gain bandwidth product
  • 16V/us slew rate
  • Ultra-low input bias current: 20pA typical
  • Wide common-mode and differential voltage range
  • Internal frequency compensation
  • Output short-circuit protection
  • Latch-up free operation

التطبيقات

  • High-impedance sensor amplifiers
  • المرشحات النشطة
  • Sample-and-hold circuits
  • Audio signal processing

The TL082CDT from STMicroelectronics is a dual JFET-input general-purpose operational amplifier in an SOIC-8 surface-mount package. The device incorporates well-matched high-voltage JFET and bipolar transistors in a monolithic integrated circuit, combining the ultra-low input bias current of JFET technology (20pA typical) with the output drive capability of bipolar circuitry. The 4MHz gain bandwidth product and 16V/us slew rate support a wide range of analog signal processing applications from DC to moderate frequencies. The 10^12 Ohm input impedance and 20pA input bias current make the TL082 ideal for high-impedance sensor interfaces where input loading must be minimized. The wide supply voltage range of 6V to 36V (single or dual supply) provides flexibility for various power supply configurations. The internal frequency compensation eliminates the need for external compensation components. The output short-circuit protection and latch-up free operation ensure robustness in fault conditions. The C suffix indicates the commercial temperature range (0C to 70C), D denotes SOIC-8 package, and T indicates tape and reel packaging.

The TL082CDT uses a JFET-input differential pair followed by a bipolar gain stage and output stage. The input stage consists of two matched P-channel JFETs that provide the extremely low input bias current (20pA typical) because the gate junction is reverse-biased, drawing only leakage current. The JFET differential pair converts the differential input voltage into a differential current that drives the bipolar second stage. The bipolar gain stage provides the voltage gain (typically 100dB open-loop) through an active load configuration. The output stage is a Class AB push-pull bipolar emitter follower with short-circuit current limiting, capable of sourcing and sinking approximately 20mA into a load. The internal 30pF compensation capacitor rolls off the open-loop gain at -20dB/decade starting at approximately 10Hz, crossing unity gain at 4MHz (the gain bandwidth product). The 16V/us slew rate is determined by the maximum current available to charge the compensation capacitor (SR = I/Ccomp). The JFET input structure provides the wide common-mode voltage range up to the positive supply rail, since the JFETs can withstand the full supply voltage on their gates.

دبوس الاسم النوع الوظيفة
1 1حول المخرجات Amplifier 1 output
2 1في- المدخلات Amplifier 1 inverting input
3 1في+ المدخلات Amplifier 1 non-inverting input
4 VCC- الطاقة Negative supply / ground
5 2في+ المدخلات Amplifier 2 non-inverting input
6 2في- المدخلات Amplifier 2 inverting input
7 2سابقًا المخرجات Amplifier 2 output
8 VCC+ الطاقة Positive supply
  • Piezo sensor charge amplifier with 10^12 Ohm input impedance and 20pA bias current preventing sensor discharge
  • Active bandpass filter with 4MHz GBW and 16V/us slew rate for audio signal processing at +/-15V
  • High-impedance buffer for pH electrode with JFET input preventing loading of the high-source-impedance sensor
الشركة المصنعة رقم الجزء الحزمة الملاحظات
ST TL082ACDT SOIC-8 Extended temp (-40 to 105C)
TI TL082CPWR TSSOP-8 TI version, smaller package
أونسمي TL082CDR2G SOIC-8 Direct equivalent
TI TL072CDR SOIC-8 Lower noise JFET dual op-amp
TI OPA2134PA DIP-8 Bipolar-input, audio-grade upgrade
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ضمان الجودة

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.

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Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
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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.

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

 

الشحن والدفع

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.

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

الخدمة والتغليف

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;
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2. Classified Professional Packaging

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  • 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@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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