A7840 Isolation Amplifier SMD IC SOP-8

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.

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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