About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsEL2045CS
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

EL2045CS - Elantec

Manufacturer Part Number
EL2045CS
Manufacturer
Elantec
Allelco Part Number
32D-EL2045CS
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
9,054 pcs available, New & Original
Parts Description
IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
Package
8-SOIC
Data sheet
-
RoHs Status
 
Compare
Our certification
In stock: 9054

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

EL2045CS Tech Specifications
Elantec - EL2045CS technical specifications, attributes, parameters and parts with similar specifications to Elantec - EL2045CS

Product Attribute Attribute Value
Manufacturer Elantec
Voltage - Supply Span (Min) 2.5 V
Voltage - Supply Span (Max) 36 V
Voltage - Input Offset 500 µV
Supplier Device Package 8-SOIC
Slew Rate 275V/µs
Series -
Package / Case 8-SOIC (0.154", 3.90mm Width)
Package Bulk
Output Type -
Product Attribute Attribute Value
Operating Temperature -40°C ~ 85°C (TA)
Number of Circuits 1
Mounting Type Surface Mount
Gain Bandwidth Product 200 MHz
Current - Supply 5.2mA
Current - Output / Channel 75 mA
Current - Input Bias 2.8 µA
Amplifier Type Voltage Feedback
-3db Bandwidth 100 MHz

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Affected
ECCN EAR99

Frequently Asked Questions(FAQ)

What are the key performance trade-offs when using the EL2045CS in high-speed signal conditioning applications?
The EL2045CS offers a 200 MHz gain bandwidth product and 275 V/µs slew rate, enabling it to handle fast transient signals effectively. However, its 5.2 mA supply current per amplifier and relatively high input bias current of 2.8 µA may limit efficiency in low-power systems. Designers must balance speed against power consumption, especially in battery-operated or thermally constrained environments, where the 8-SOIC package’s limited heat dissipation could become a concern under sustained high-output drive conditions.
How does the EL2045CS compare to other voltage feedback amplifiers in terms of input offset voltage stability over temperature?
With a typical input offset voltage of 500 µV and an operating temperature range of -40°C to 85°C, the EL2045CS provides adequate precision for many general-purpose applications. However, it does not include internal offset trimming or low-drift design features found in precision op-amps. For DC-critical circuits such as sensor signal chains, external nulling or post-calibration may be required to maintain accuracy across the full temperature range, especially when compared to zero-drift or chopper-stabilized alternatives.
Can the EL2045CS drive capacitive loads directly without stability issues?
The EL2045CS is not internally compensated for direct drive of heavy capacitive loads. While it can handle small capacitive loads (typically < 10 pF) without oscillation, driving larger capacitances—such as long PCB traces or cable capacitance—may require a small series resistor (e.g., 10–50 Ω) at the output to isolate the amplifier and maintain phase margin. This is a common design consideration for high-speed voltage feedback amplifiers, and the EL2045CS follows this behavior pattern.
What supply voltage range makes the EL2045CS suitable for industrial control systems?
The EL2045CS supports a wide supply span from 2.5 V to 36 V, allowing it to operate in both low-voltage digital logic environments and higher-voltage industrial buses such as 24 V control systems. This flexibility enables single-supply operation in 3.3 V or 5 V microcontroller interfaces while also supporting dual-suprail configurations for higher dynamic range analog signal processing, making it adaptable across multiple industrial design platforms.
How does the output current capability of the EL2045CS influence its use in driving low-impedance loads?
The EL2045CS can source or sink up to 75 mA per channel, which allows it to drive moderately low-impedance loads such as 50 Ω transmission lines or small transformers without requiring a buffer stage. However, at maximum output current, thermal dissipation in the 8-SOIC package must be evaluated—especially near the upper end of the supply voltage range—to avoid exceeding safe operating area limits. Heat sinking or airflow may be necessary in continuous high-current applications.
Is the EL2045CS appropriate for high-frequency active filter designs, and what limitations should be considered?
Yes, the EL2045CS’s 100 MHz -3dB bandwidth and fast slew rate make it viable for active filters up to several tens of megahertz. However, its voltage feedback architecture exhibits increasing phase lag at high frequencies, which can affect filter Q-factor and stability in higher-order topologies. Careful layout, feedback network damping, and simulation are recommended to prevent peaking or oscillation, particularly in Sallen-Key or multiple-feedback configurations near the unity-gain frequency.
How does the EL2045CS perform in single-supply configurations compared to dual-supply setups?
The EL2045CS functions well in single-supply mode down to 2.5 V, but input and output swing limitations become more pronounced. In single-supply operation, the input common-mode range does not include the negative rail, requiring level shifting or biasing for AC-coupled signals. Output swing is also constrained by internal headroom, typically limiting peak-to-peak voltage to within 1–1.5 V of the rails. Dual-supply configurations provide greater signal symmetry and dynamic range, which may be preferable for precision AC applications.
What are the implications of the EL2045CS being RoHS non-compliant and REACH Affected for modern product development?
The EL2045CS is marked as RoHS non-compliant and REACH Affected, indicating it contains substances restricted under current environmental regulations. This limits its use in consumer electronics or products requiring full compliance with EU directives. Designers targeting regulated markets may need to consider alternative, compliant devices or obtain exemptions under specific application clauses. Long-term availability and supply chain sustainability should also be evaluated, especially for high-volume production.
How does the EL2045CS compare to current-feedback amplifiers in terms of bandwidth consistency across gain settings?
Unlike current-feedback amplifiers, which maintain relatively constant bandwidth across varying closed-loop gains, the EL2045CS—being a voltage feedback amplifier—exhibits bandwidth reduction as gain increases, following the standard gain-bandwidth product relationship. For example, at a closed-loop gain of 10, the usable bandwidth drops to approximately 20 MHz. This behavior must be factored into high-gain, high-speed designs where predictable frequency response is critical.
What layout and grounding practices are recommended when using the EL2045CS in high-speed PCB designs?
To preserve the EL2045CS’s high-speed performance, minimize trace lengths between the amplifier and feedback components, use a solid ground plane beneath the 8-SOIC package, and place decoupling capacitors (e.g., 0.1 µF ceramic) as close as possible to the supply pins. Avoid routing high-impedance nodes over split planes, and ensure symmetry in differential paths if used. Poor layout can introduce parasitic inductance or capacitance that degrades phase margin and increases susceptibility to oscillation, especially given the device’s 200 MHz gain bandwidth.

Parts with Similar Specifications

The three parts on the right have similar specifications to Elantec EL2045CS

Product Attribute EL2045CS-T13 EL2045CSZ-T7 EL2045CSZ EL2045CS-T7
Part Number EL2045CS-T13 EL2045CSZ-T7 EL2045CSZ EL2045CS-T7
Manufacturer Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc
Number of Circuits - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Supply Span (Min) - - - -
-3db Bandwidth - - - -
Series - - - -
Voltage - Supply Span (Max) - - - -
Current - Input Bias - - - -
Current - Output / Channel - - - -
Slew Rate - - - -
Current - Supply - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Mounting Type - Surface Mount Through Hole Surface Mount
Gain Bandwidth Product - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Input Offset - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Amplifier Type - - - -

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • Nord***mbedded
    Jul 20, 2026

    Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA

EL2045CS

Elantec
32D-EL2045CS

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB