Product Images are shown for illustrative purposes only and may differ from actual product.

A7840 Isolation Amplifier SMD IC SOP-8

Write a review | 1 reviews

Stock: Out Of Stock
Availability: NotInStock priceValidUntil: 2026-11-30
SKU: 7117 | DAF499

Rs. 254.88 (inc GST)
Rs.216.00 + GST
Qty : Qty Qty

GST Invoice: Available for all purchases; eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

Bulk Orders: Need a larger quantity or item not in stock? Email: dnatechindia [at] gmail.com

Import Service: We import a wide range of electronic components on request.

Description

A7840 Isolation Amplifier SMD IC for Motor Drives

A7840 Isolation Amplifier for current sensing with 10 kV/µs common-mode rejection and compact 8-pin DIP package.

The A7840 Isolation Amplifier SMD IC is ideal for current sensing in electronic motor drives. This device allows for accurate measurement of motor currents through an external resistor, generating a differential output voltage that reflects the motor current. Its robust design features a high common-mode rejection of 10 kV/µs, making it suitable for environments with high transient voltages. The A7840 Isolation Amplifier SMD IC maintains performance even in challenging conditions, ensuring reliable operation in various applications.

With a bandwidth of 100 kHz and a low input offset voltage of 0.3 mV, the A7840 Isolation Amplifier SMD IC provides precision in signal processing. It is packaged in a compact, auto-insertable 8-pin DIP format, making it easy to integrate into existing systems. This amplifier also meets international safety standards, including UL 1577 and VDE 0884, ensuring safe operation in critical applications.

Applications for the A7840 Isolation Amplifier SMD IC include motor phase and rail current sensing, inverter current sensing, switched mode power supply signal isolation, and general-purpose current monitoring. Its fully differential circuit topology enhances performance and reliability across diverse electronic systems.

Explore the benefits of high-quality OPAMP solutions with the A7840 Isolation Amplifier SMD IC. Visit DNA for a comprehensive range of OPAMP products. Check other "OPAMP" that we have in stock.

If you are searching for specific electronic components, reach out to us. We can help you find parts like Super Capacitors, Connectors, Sensors, and more. We also offer import services for hard-to-find items and support retail as well as bulk orders. Contact Us

Features of A7840 Isolation Amplifier SMD IC for Motor Drives

15 kV/µs Common-Mode Rejection
Compact 8-pin DIP Package
0.3 mV Input Offset Voltage
100 kHz Bandwidth
0.004% Nonlinearity
Worldwide Safety Approval: UL 1577
Fully Differential Circuit Topology

Specification of A7840 Isolation Amplifier SMD IC for Motor Drives

Common-Mode Voltage: 1000 V
Input Offset Voltage: 0.3 mV
Bandwidth: 100 kHz
Nonlinearity: 0.004%
Package Type: SOP-8

Applications of A7840 Isolation Amplifier SMD IC for Motor Drives

Motor Phase Current Sensing
Inverter Current Sensing
Switched Mode Power Supply Isolation
General Purpose Current Monitoring
Analog Signal Isolation

Package Includes

1 X A7840 Isolation Amplifier SMD IC SOP-8

Extra Information
Country of Origin	China
Imported By	ElectroSource Private Limited

Reviews (1)

Write a review

Your Name

Your Review

Note: HTML is not translated!

Rating Bad Good

Frequently Asked Questions

Do you provide a GST bills?

Yes we provide GST Bill by the name of DNA Solutions. You will receive a GST compliant invoice for your records. You can take GST benefit.

What is your return / replacement policy?

Returns/replacements depend on the item type and condition. If there’s an issue, contact us with photos/videos and we’ll guide you as per policy.

Where are you located / where do you ship from?

We’re based in Nashik, Maharashtra. All orders are dispatched from Nashik.

I forgot to add GST number at time of placing order, but I need GST Invoice in my firms name?

You can contact us via Contact us page and send your order details and GST number we will send you updated Invoice soft copy.

What details should I share for sourcing a non-listed component?

Send these details for fastest sourcing: - Exact part number - Manufacturer (if known) - Package type - Product image (if possible) - Required quantity - Delivery address + PIN code - Timeline/urgency

Can I order just one piece (no minimum order quantity)?

Yes — we support single-piece orders for many products. If a product has MOQ, it will be mentioned on the product page.

View all FAQs →