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Name: ADUM1251ARZ
Brand: Analog Devices Inc.
SKU: ADUM1251ARZ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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

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Analog Devices Inc. ADUM1251ARZ

Part No.:: ADUM1251ARZ

Manufacturer:: Analog Devices Inc.

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

Datasheet:: ADUM1251ARZ.pdf

Description:: DGTL ISOL 2500VRMS 2CH I2C 8SOIC

In Stock:: 2770

Quantity:: Add To Cart

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ADUM1251ARZ Specifications

Packaging:
Tube
Series:
iCoupler®
ProductStatus:
Active
Technology:
Magnetic Coupling
Type:
I²C
IsolatedPower:
No
NumberofChannels:
2
Inputs-Side1/Side2:
2/1
ChannelType:
Bidirectional, Unidirectional
Voltage-Isolation:
2500Vrms
CommonModeTransientImmunity(Min):
25kV/µs
DataRate:
1Mbps
PropagationDelaytpLH/tpHL(Max):
-
PulseWidthDistortion(Max):
145ns, 85ns
Rise/FallTime(Typ):
-
Voltage-Supply:
3V ~ 5.5V
OperatingTemperature:
-40°C ~ 105°C
MountingType:
Surface Mount

ADUM1251ARZ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ADUM1251ARZ 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 ADUM1251ARZ 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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ADUM1251ARZ information

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ADUM1251ARZ Typical application Circuitry

ADUM1251ARZ

The ADUM1251ARZ is a notable integrated circuit chip, recognized for its specific functionality, applicable in various scenarios, and characterized by its unique parameter features. This section will delve into its functionality, application scenarios, parameter features, and provide a detailed circuit design for a specific application, emphasizing pin connections and design considerations.

Functionality of ADUM1251ARZ

- I2C Isolator with Integrated DC-DC Converter: The ADUM1251ARZ primarily functions as an I2C bus isolator, which includes an integrated DC-DC converter. This design enables it to isolate I2C signals and provide power across the isolation barrier, crucial for maintaining signal integrity and ensuring electrical safety.

Application Scenarios

- Industrial Control Systems: Frequently used in industrial environments for isolating I2C communications between sensors and control units.

- Data Communication in Sensitive Equipment: Applied in sensitive electronic equipment where I2C data communication needs isolation from noise and potential electrical interference.

Parameter Features

- Bidirectional I2C Communication: Capable of isolating bidirectional I2C signals, allowing for efficient communication across isolation barriers.

- Integrated DC-DC Converter: Includes a DC-DC converter for powering the isolated side, eliminating the need for separate power supplies.

Circuit Design in Industrial Control Systems

Designing a circuit using ADUM1251ARZ for I2C isolation in an industrial control system involves:

1. I2C Bus Connection to Input Side: Connect the I2C bus lines SDA (data) and SCL (clock) from the control unit to pins 1 (SDAI1) and 3 (SCLI1) of the ADUM1251ARZ. These pins are the I2C input for the isolation.

2. Grounding Input Side: Attach pin 5 (GNDA1) to the ground of the control unit side, establishing a reference ground for the input side.

3. Power Supply for Input Side: Link a power source, typically 3.3V or 5V, to pin 8 (VDD1) to power the input side of the isolator.

4. Isolated I2C Bus Output: Connect the isolated I2C lines to pins 6 (SDAO1) and 4 (SCLO1) for the SDA and SCL lines, respectively. These pins provide the isolated I2C signals.

5. Grounding Output Side: Connect pin 2 (GNDA2) to the ground of the sensor or receiving device side.

6. Output Side Power from Integrated DC-DC Converter: The integrated DC-DC converter within ADUM1251ARZ provides power to the isolated side, so no additional power connection is required for pin 7 (VDD2).

Design Considerations

- Isolation Integrity: Ensure that the ADUM1251ARZ provides effective isolation to protect against electrical noise and potential ground loops.

- I2C Signal Clarity: Maintain the clarity and integrity of the I2C signals across the isolation barrier for reliable communication.

- Power Supply Stability: Ensure that the power supply to the input side is stable as the integrated DC-DC converter relies on this to power the isolated side.

In industrial control systems, the ADUM1251ARZ is crucial for enabling I2C communication between devices in different electrical environments, ensuring signal integrity, and enhancing the overall safety and reliability of the system.

ADUM1251ARZ FAQ

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6. What is the process for return or replacement of ADUM1251ARZ?

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 ADUM1251ARZ we delivered, we will accept the replacement or return of the ADUM1251ARZ 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 ADUM1251ARZ.

(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