What is the Additional Feature ?

Name: OPA445AUG4
Brand: Texas Instruments
SKU: OPA445AUG4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

Cart ( )

lmages are for reference only See Product Specifications

Texas Instruments OPA445AUG4

Part No.:: OPA445AUG4

Manufacturer:: Texas Instruments

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: OPA445AUG4.pdf

Description:: IC OPAMP GP 1 CIRCUIT 8SOIC

In Stock:: 250

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

OPA445AUG4 Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Discontinued at Mosen
AmplifierType:
General Purpose
NumberofCircuits:
1
OutputType:
-
SlewRate:
15V/µs
GainBandwidthProduct:
2 MHz
-3dbBandwidth:
-
Current-InputBias:
10 pA
Voltage-InputOffset:
1.5 mV
Current-Supply:
4.2mA
Current-Output/Channel:
15 mA
Voltage-SupplySpan(Min):
20 V
Voltage-SupplySpan(Max):
90 V
OperatingTemperature:
-25°C ~ 85°C
MountingType:
Surface Mount

OPA445AUG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including OPA445AUG4 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for OPA445AUG4 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

OPA445AUG4 information

Views：

OPA445AUG4 Typical application Circuitry

OPA445AUG4

The OPA445AUG4 is a high-voltage operational amplifier (op-amp) capable of operating up to ±45V, designed for applications requiring wide dynamic range and high output voltage. It is characterized by its ability to drive high-impedance loads, making it ideal for a variety of applications including but not limited to, test equipment, high-voltage signal conditioning, piezoelectric drivers, and electrochemical sensors.

Key Features and Specifications

- High Voltage Operation: The OPA445AUG4 supports a wide range of power supply voltages, up to ±45V, allowing for high-voltage applications.

- High Output Drive Capability: It has the ability to drive high-impedance loads with a sizable output current.

- Wide Dynamic Range: The capability to operate with high supply voltages offers a wide dynamic range for signal amplification.

- Stability with Capacitive Loads: Designed to be stable with capacitive loads, enhancing its versatility in various application circuits.

Application Scenario: Precision High-Voltage Signal Conditioning

One practical application of the OPA445AUG4 is in precision high-voltage signal conditioning, where it can be used to amplify low-voltage signals to higher voltages for further processing or measurement. This is particularly useful in applications such as data acquisition systems where sensors output low-voltage signals that need to be conditioned to match the input range of analog-to-digital converters (ADCs).

Circuit Connection Detail

- Signal Input Connection: Connect the low-voltage signal source to the non-inverting input (Pin 3) of the OPA445AUG4. This input is where the small signal to be amplified is applied.

- Feedback Network for Gain Control: To set the desired gain, connect a resistor (R1) between the output (Pin 6) and the inverting input (Pin 2), and another resistor (R2) from the inverting input (Pin 2) to ground. The ratio of R1 to R2 determines the gain, providing exact control over the input signal's amplification.

- Power Supply Connections: Apply a positive voltage (up to +45V) to the V+ pin (Pin 7) and a negative voltage (down to -45V) to the V- pin (Pin 4). The wide supply voltage range of the OPA445AUG4 enables the generation of high output voltages necessary for high-voltage signal conditioning.

- Output Configuration: The amplified signal is available at the output (Pin 6), which can then be directed to the next stage in the signal chain, such as an ADC or another stage of processing.

- Decoupling for Stability: To reduce noise and guarantee steady functioning of the OPA445AUG4, install decoupling capacitors next to the power supply pins.

This is crucial for maintaining signal integrity, especially in high-voltage applications.

Design Considerations

When designing with the OPA445AUG4 for precision high-voltage signal conditioning, several factors must be carefully considered:

- Power Supply Quality: Ensuring a clean and stable power supply is essential for high-precision applications to avoid signal distortion and maintain accuracy.

- Thermal Management: The OPA445AUG4 may dissipate significant power, especially at high voltages. Adequate heat sinking or cooling measures should be employed to maintain operational stability.

- Protection Mechanisms: Incorporating protection mechanisms such as current limiting and thermal shutdown can prevent damage to the OPA445AUG4 and the circuit under fault conditions.

- Load Considerations: Understanding the characteristics of the load (impedance, capacitance) is crucial for ensuring stable operation and avoiding oscillations, particularly with capacitive loads.

- PCB Layout: Careful layout design is important to minimize noise pickup, reduce parasitic capacitance, and ensure physical separation between high and low voltage sections for safety.

Utilizing the OPA445AUG4 in a precision high-voltage signal conditioning application leverages its high-voltage operation, high output drive capability, and stability with capacitive loads, making it suitable for amplifying low-voltage signals to higher levels required in many industrial and scientific measurement systems. Proper attention to design details, including power supply integrity, thermal management, protection strategies, and careful PCB layout, ensures optimal performance and reliability of the OPA445AUG4 in such applications.

OPA445AUG4 FAQ

1. How to order OPA445AUG4 on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that OPA445AUG4 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the OPA445AUG4. All suppliers must pass our qualification reviews before they can publish their products including OPA445AUG4 on icwhale.com; we pay more attention to the channels and quality of OPA445AUG4 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the OPA445AUG4 price and inventory displayed accurate?

The price and inventory of OPA445AUG4 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of OPA445AUG4?

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 OPA445AUG4 we delivered, we will accept the replacement or return of the OPA445AUG4 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 OPA445AUG4.

(3)The PartNo 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