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Name: ADUM7440CRQZ-RL7
Brand: Analog Devices Inc.
SKU: ADUM7440CRQZ-RL7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. ADUM7440CRQZ-RL7

Part No.:: ADUM7440CRQZ-RL7

Manufacturer:: Analog Devices Inc.

Package:: 16-SSOP (0.154, 3.90mm Width)

Datasheet:

Description:: DGTL ISO 1000VRMS 4CH GP 16QSOP

In Stock:: 3417

Quantity:: Add To Cart

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ADUM7440CRQZ-RL7 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
iCoupler®
ProductStatus:
Active
Technology:
Magnetic Coupling
Type:
General Purpose
IsolatedPower:
No
NumberofChannels:
4
Inputs-Side1/Side2:
4/0
ChannelType:
Unidirectional
Voltage-Isolation:
1000Vrms
CommonModeTransientImmunity(Min):
15kV/µs
DataRate:
25Mbps
PropagationDelaytpLH/tpHL(Max):
50ns, 50ns
PulseWidthDistortion(Max):
5ns
Rise/FallTime(Typ):
2ns, 2ns
Voltage-Supply:
3V ~ 5.5V
OperatingTemperature:
-40°C ~ 105°C
MountingType:
Surface Mount

ADUM7440CRQZ-RL7 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ADUM7440CRQZ-RL7 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 ADUM7440CRQZ-RL7 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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ADUM7440CRQZ-RL7 information

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ADUM7440CRQZ-RL7 Typical application Circuitry

ADUM7440CRQZ-RL7

The ADUM7440CRQZ-RL7 is a variant of the ADUM7440 series, packaged in a reel for automated assembly processes, indicating its suitability for high-volume manufacturing. This quad-channel digital isolator with an integrated DC-to-DC converter is designed by Analog Devices, utilizing iCoupler® technology to achieve signal and power isolation in a single device. Application Scenario:

A common use case for the ADUM7440CRQZ-RL7 is in medical device interfaces, where it isolates patient-monitoring devices from the data processing units, ensuring patient safety and data integrity.

Parameter Features:

- Isolation Channels: Provides four independent isolation channels for data transfer, enhancing design flexibility.

- Integrated DC-to-DC Converter: Supplies isolated power, eliminating the need for an external isolated power source.

- High Data Rate: Supports data rates up to 25 Mbps, accommodating fast digital communication needs.

- Isolation Voltage: Rated for 2.5 kVrms, offering substantial protection against electrical transients.

Circuit Connection Example:

Integrating the ADUM7440CRQZ-RL7 into a medical device interface involves several detailed steps:

- Power Supply Connection: Connect VDD1 (pin 1) of the ADUM7440CRQZ-RL7 to a +3.3V or +5V non-isolated power supply, suitable for the logic side of the circuit. Ensure the power supply is clean and stable. Connect GND1 (pin 5) to the system's ground. For the isolated side, VDD2 (pin 20) is internally connected to the output of the integrated DC-to-DC converter, providing isolated power. GND2 (pin 16) serves as the isolated ground.

- Digital Signal Isolation: Connect the input signals from the patient-monitoring device to IN1 to IN4 (pins 2, 3, 4, and 6) on the ADUM7440CRQZ-RL7. The corresponding isolated outputs, OUT1 to OUT4 (pins 15, 14, 13, and 11), will then be connected to the data processing unit, facilitating isolated data transmission.

- Configuration and Grounding: Ensure proper isolation between GND1 and GND2 to maintain the integrity of the isolation barrier. Implement a layout that physically separates the high-voltage and low-voltage sides on the PCB.

- Decoupling Capacitors: Place decoupling capacitors close to VDD1 and VDD2 pins to minimize power supply noise and ensure stable operation. Typical values might be 0.1 µF for high-frequency noise suppression and 10 µF for bulk decoupling.

Design Considerations:

- PCB Layout: Careful PCB layout is crucial to maximize the isolation effectiveness of the ADUM7440CRQZ-RL7. Maintain a clear separation between the isolated and non-isolated sections of the board.

- Thermal Management: Evaluate the thermal performance of the ADUM7440CRQZ-RL7 in the context of the overall design, especially if the device is operated near its maximum power rating or in a confined space.

- EMI and EMC Compliance: Consider electromagnetic interference (EMI) and electromagnetic compatibility (EMC) requirements, especially in sensitive medical applications. Implement appropriate filtering and shielding techniques as needed.

- Safety and Certification: For medical applications, ensure that the design meets relevant safety standards and certifications for medical devices, considering the isolation capabilities and operational parameters of the ADUM7440CRQZ-RL7.

By addressing these considerations and following the connection guidelines, the ADUM7440CRQZ-RL7 can be effectively used in medical device interfaces, providing reliable data isolation and enhancing patient safety.

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6. What is the process for return or replacement of ADUM7440CRQZ-RL7?

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(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 ADUM7440CRQZ-RL7.

(3)The PartNo is unused and only in the original unpacked packaging.

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