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

A7840 Isolation Amplifier SMD IC SOP-8

  • Stock: Out Of Stock

    Availability: NotInStock priceValidUntil: 2026-02-18

  • SKU: 7117 | DAF499

Availability: NotInStock priceValidUntil: 2026-02-18

  • Rs. 254.88 (inc GST)
    Rs.216.00 + GST

    Qty :

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

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

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

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

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

Note: HTML is not translated!
    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.
What payment methods do you accept?
We accept UPI, cards, netbanking, and other checkout options shown on the payment page.
What details should I send for a bulk quote?
Send these details for an accurate bulk quote: - Part number(s) - Quantity required - Preferred brand (if any) - Product image (if possible) - Delivery address + PIN code - GST invoice needed (Yes/No) + GSTIN (if Yes)
Are components original / new?
We aim to supply genuine, new parts. For sourced items, we confirm availability and provide the best matching grade/brand possible.

NEW Products

Product Page : New Products

Nextion Discovery NX4832F035 3.5" Resistive Touch Display

Nextion NX4832f035 3.5" Discovery Resistive Touchscreen DisplayNextion NX4832f035 HMI Display with r..

Rs.3,273.32 (inc GST)
Rs.2,774.00 + GST

SKU: 3180 | DAD104
Stock: 80

HLK-5M05 AC to DC 5 Watts 5 Volts Module

HLK-5M05 AC To DC 5 Watts 5 Volts Module HLK-5M05 Module converts 120-230V AC to 5V DC, 5 Watts, co..

Rs.289.10 (inc GST)
Rs.245.00 + GST

SKU: 666 | DAB337
Stock: 5

Meanwell SMPS LRS-75-5

Meanwell LRS-75-5 SMPS 75W 5V Enclosed Power Supply Meanwell LRS-75-5, 75W enclosed SMPS, provides 5..

Rs.1,320.28 (inc GST)
Rs.1,118.88 + GST

SKU: 2494 | DAC658
Stock: 1

Mornsun LS03-13B12R3 AC to DC Power Supply Module

Mornsun LS03-13B12R3 12 Volt AC to DC Power Supply Mornsun LS03-13B12R3 AC to DC Converter, 3W, 12V..

Rs.223.02 (inc GST)
Rs.189.00 + GST

SKU: 2577 | DAC978
Stock: 398

Have You Seen

Product Page : Have You Seen

HLK-20M12 AC to DC 20 Watts 12 Volts Module

HLK-20M12 20 Watt 12 Volts Power Supply Module HLK-20M12 power module supplies 12V DC from 120-230V..

Rs.413.00 (inc GST)
Rs.350.00 + GST

SKU: 2594 | DAE084
Stock: 5

Meanwell SMPS HDR-30-12

Meanwell HDR-30-12 SMPS - Compact DIN Rail Power SupplyMeanwell HDR-30-12 offers high efficiency, un..

Rs.1,495.65 (inc GST)
Rs.1,267.50 + GST

SKU: 2508 | DAC672
Stock: 18

GX16 3PIN MRS FEMALE CABLE(PLASTIC) AIR TYPE CONNECTOR

GX16 3-Pin MRS Female Connector GX16 3-Pin MRS Female Connector for power or signal wiring; plastic..

Rs.35.28 (inc GST)
Rs.29.90 + GST

SKU: 9759 | DAI488
Stock: 25

Nextion Discovery NX4832F035 3.5" Resistive Touch Display

Nextion NX4832f035 3.5" Discovery Resistive Touchscreen DisplayNextion NX4832f035 HMI Display with r..

Rs.3,273.32 (inc GST)
Rs.2,774.00 + GST

SKU: 3180 | DAD104
Stock: 80

Related Products

1x4 KEYPAD WITH MEMBRANE SWITCHES

1x4 KEYPAD WITH MEMBRANE SWITCHES

MEMBRANE 1x4 KEYPAD 1x4 KEYPAD WITH MEMBRANE SWITCHESWant to interface switched to micro-contro..

Rs.80.71 (inc GST)
Rs.68.40 + GST

SKU: 268 | DAA942
Stock: 50
12V 30Amp T TYPE RELAY

12V 30Amp T TYPE RELAY

T Type Relay 12 Volt 30 Amp2V 30Amp T TYPE RELAY with 12V coil excitation and PCB mounting design.Th..

Rs.94.40 (inc GST)
Rs.80.00 + GST

SKU: 327 | DAB247
Stock: 20
IRF3415 Power MOSFET

IRF3415 Power MOSFET

IRF3415 Power MOSFETIRF3415 Power MOSFETDNA Solutions has large collection of various types of MOSFE..

Rs.107.62 (inc GST)
Rs.91.20 + GST

SKU: 1159 | DAA157
Stock: 1
MQ8 Hydrogen Gas Sensor Module for Detection

MQ8 Hydrogen Gas Sensor Module for Detection

MQ8 Hydrogen Gas Sensor Module for DetectionMQ8 Hydrogen Gas Sensor Module for H2 Alarm Detection wi..

Rs.174.64 (inc GST)
Rs.148.00 + GST

SKU: 1816 | DAB414
Stock: 5
HLW8032 Energy Meter Module R2

HLW8032 Energy Meter Module R2

HLW8032 Energy Meter Module Breakout Board R2HLW8032 Energy Meter Module R2 for single-phase applica..

Rs.646.40 (inc GST)
Rs.547.80 + GST

SKU: 2140 | DAE755
Stock: 0
Cytron 25A 7V-58V DC motor driver with Switch and Potentiometer Control (MD25HV POT)

Cytron 25A 7V-58V DC motor driver with Switch and Potentiometer Control (MD25HV POT)

Cytron 25A DC Motor Driver with Potentiometer Control (MD25HV POT) Cytron MD25HV POT motor driver of..

Rs.3,854.14 (inc GST)
Rs.3,266.22 + GST

SKU: 2262 | DAB948
Stock: 0
Soil Moisture sensor case (metal)

Soil Moisture sensor case (metal)

Soil Moisture sensor case (metal)Soil Moisture sensor case (metal)The Metal Soil Moisture Sensor Cas..

Rs.330.40 (inc GST)
Rs.280.00 + GST

SKU: 3976 | DAF264
Stock: 2
SS Switch IP67 16mm 12 to 24 Volts, Latching, Red Ring Indicator (Flat Head)

SS Switch IP67 16mm 12 to 24 Volts, Latching, Red Ring Indicator (Flat Head)

SS Switch IP67 16mm 12 to 24 Volts, Latching, Red Ring Indicator (Flat Head)SS Switch IP67 16mm 12 t..

Rs.369.69 (inc GST)
Rs.313.30 + GST

SKU: 8607 | DAH729
Stock: 3
Refurbished 2SC5200 & 2SA1943 Power Transistor

Refurbished 2SC5200 & 2SA1943 Power Transistor

Refurbished 2SC5200 & 2SA1943 Power Transistor Set Refurbished 2SC5200 & 2SA1943, high-powe..

Rs.265.21 (inc GST)
Rs.224.75 + GST

SKU: 8565 | DAA219
Stock: 0