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Name: AD7401AYRWZ
Brand: Analog Devices Inc.
SKU: AD7401AYRWZ
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. AD7401AYRWZ

Part No.:: AD7401AYRWZ

Manufacturer:: Analog Devices Inc.

Package:: 16-SOIC (0.295, 7.50mm Width)

Datasheet:: AD7401AYRWZ.pdf

Description:: IC ISOLATED MODULE 16BIT 16SOIC

In Stock:: 2349

Quantity:: Add To Cart

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AD7401AYRWZ Specifications

Package/Case:
16-SOIC (0.295, 7.50mm Width)
Packaging:
Bulk,Tube
Series:
iCoupler®
ProductStatus:
Active
Type:
Isolated Module
NumberofChannels:
1
Resolution(Bits):
16 b
SamplingRate(PerSecond):
-
DataInterface:
Serial
VoltageSupplySource:
Dual Supply
Voltage-Supply:
-
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

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AD7401AYRWZ information

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AD7401AYRWZ Typical application Circuitry

AD7401AYRWZ

An standalone sigma-delta modulator, the AD7401AYRWZ transforms analog input signals into fast, one-bit data streams. It is perfect for applications that require electrical isolation between the input signal and the output data since it has galvanic isolation. Power conversion systems, motor control, and industrial automation are prominent applications for this semiconductor.

Application Scenarios:

1. Motor Control: In motor drive systems, the AD7401AYRWZ is used to measure current and voltage for precise control of motor speed and torque.

2. Power Conversion: In power inverters and converters, it provides an isolated measurement of voltage and current for efficient power management.

3. Industrial Automation: In automated systems, it is employed for isolated data acquisition, ensuring safety and accuracy in harsh environments.

Key Features:

1. Isolation: The AD7401AYRWZ provides robust electrical isolation, protecting sensitive circuits and ensuring accurate measurements.

2. High-Speed Operation: Its sigma-delta modulation technique enables high-speed data conversion, suitable for real-time applications.

3. Noise Immunity: The one-bit data stream output is highly immune to noise, ensuring reliable data transmission even in noisy environments.

Circuit Design Example: Motor Control System

In this example, we will design a circuit for current measurement in a motor control system using the AD7401AYRWZ.

1. Power Supply Connections:

- VDD1 (Pin 16): Connect to a +5V power supply for the analog side.

- VDD2 (Pin 8): Connect to a +5V power supply for the digital side.

- GND1 (Pins 5, 11): Connect to the ground for the analog side.

- GND2 (Pins 2, 14): Connect to the ground for the digital side.

2. Analog Input Connection:

- AIN+ (Pin 15), AIN- (Pin 12): Connect to the current sensing resistor in the motor drive circuit.

3. Digital Output Connection:

- MOD_OUT (Pin 6): Connect to the digital isolator or directly to the microcontroller's input pin for data processing.

4. Filter Capacitor:

- CAP (Pin 13): Connect a capacitor (typically 100nF) to the ground for noise filtering.

5. Clock Input:

- CLKIN (Pin 7): Connect to an external clock source for modulator timing.

Design Considerations:

- Isolation: Ensure proper isolation between the analog and digital power supplies to maintain the integrity of the isolation barrier.

- Noise Suppression: Use proper layout and grounding techniques to minimize noise coupling between the analog and digital sections.

- Clock Stability: Use a stable clock source for CLKIN to ensure accurate timing for the sigma-delta modulation.

In conclusion, the AD7401AYRWZ is a versatile isolated sigma-delta modulator suitable for various applications requiring high-speed data conversion and electrical isolation. By following the detailed circuit design example and considering the key factors, one can effectively utilize this chip in motor control systems and other applications where isolation and precision are crucial.

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6. What is the process for return or replacement of AD7401AYRWZ?

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 AD7401AYRWZ we delivered, we will accept the replacement or return of the AD7401AYRWZ 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 AD7401AYRWZ.

(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