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HomeProductsIntegrated Circuits (ICs)Data Acquisition - Analog to Digital Converters (ADC)AD7721AR
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AD7721AR - Analog Devices Inc.

Manufacturer Part Number
AD7721AR
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-AD7721AR
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC ADC 12/16BIT SIG-DELTA 28SOIC
Package
28-SOIC
Data sheet
1.AD7721AR.pdf ...

Datasheets

AD7721.pdf
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Specifications

AD7721AR Tech Specifications
Analog Devices Inc. - AD7721AR technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - AD7721AR

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply, Digital 5V  
Voltage - Supply, Analog 5V  
Supplier Device Package 28-SOIC  
Series -  
Sampling Rate (Per Second) 312.5k, 468.75k  
Reference Type External  
Ratio - S/H:ADC -  
Package / Case 28-SOIC (0.295", 7.50mm Width)  
Package Tube  
Operating Temperature -40°C ~ 85°C  
Product Attribute Attribute Value  
Number of Inputs 1  
Number of Bits 12, 16  
Number of A/D Converters 1  
Mounting Type Surface Mount  
Input Type Differential  
Features -  
Data Interface SPI, Parallel  
Configuration ADC  
Base Product Number AD7721  
Architecture Sigma-Delta  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

AD7721AR

Manufacturer

Analog Devices

Introduction

The AD7721AR is a high-performance sigma-delta Analog to Digital Converter (ADC) suitable for data acquisition in sensor systems and industrial automation.

Product Features and Performance

Sigma-Delta Architecture

12 to 16-bit resolution

Differential Input Type

Single ADC channel

Supports SPI and Parallel Data Interfaces

External Reference Type

Sampling rates up to 468.75k per second

Product Advantages

High resolution and accuracy enable precise measurement

Flexible data interfaces for easy integration in various systems

Robust operating temperature range suitable for industrial environments

Key Technical Parameters

Number of Bits: 12, 16

Sampling Rate: 312.5k, 468.75k per second

Number of Inputs: 1

Input Type: Differential

Data Interface: SPI, Parallel

Architecture: Sigma-Delta

Voltage Supply, Analog: 5V

Voltage Supply, Digital: 5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Designed for reliable operation in extreme temperatures ranging from -40°C to +85°C

Compatibility

Compatible with systems requiring SPI or Parallel interface

Suitable for applications requiring high resolution ADC with differential input

Application Areas

Industrial automation

Sensor systems

Data logging

Product Lifecycle

Status: Obsolete

Note: Customers should seek replacements or upgrades as this model is discontinued with no direct replacements available.

Several Key Reasons to Choose This Product

High resolution options up to 16 bits ideal for precision tasks

Suitable for adverse environmental conditions due to robust temperature tolerance

Diverse data handling capacity with both SPI and Parallel interfaces

Sigma-Delta architecture ensures reduced noise and enhanced data accuracy

Developed by Analog Devices, a leader in semiconductor design

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. AD7721AR

Product Attribute AD7721ARZ-REEL AD7721AN AD7721ANZ AD7723BSZ-REEL
Part Number AD7721ARZ-REEL AD7721AN AD7721ANZ AD7723BSZ-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Data Interface - LVDS - Parallel I²C LVDS - Parallel, Parallel
Input Type - - - Differential
Architecture - Current Source R-2R Pipelined
Base Product Number - DAC34H84 MAX500 ADS62P42
Number of Inputs - - - 2
Series - - - -
Voltage - Supply, Digital - 1.14V ~ 1.26V 11.4V ~ 16.5V 1.65V ~ 3.6V
Ratio - S/H:ADC - - - 1:1
Configuration - - - S/H-ADC
Number of A/D Converters - - - 2
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Features - - - Simultaneous Sampling
Number of Bits - 16 8 14
Sampling Rate (Per Second) - - - 65M
Voltage - Supply, Analog - 3.14V ~ 3.46V 11.4V ~ 16.5V 3V ~ 3.6V
Mounting Type - Surface Mount Through Hole Surface Mount
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Reference Type - External, Internal External External, Internal
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)

AD7721AR Datasheet PDF

Download AD7721AR pdf datasheets and Analog Devices Inc. documentation for AD7721AR - Analog Devices Inc..

Datasheets
AD7721.pdf
PCN Obsolescence/ EOL
Lead(Pb)- Bearing Dev OBS 19/Jun/2017.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

  • Jame***ark
    Jun 19, 2024

    First time I contect with Allelcoelec. It was really nice choice. I really appreciate your great support and eport to us. Product also nice.
    Thanks again.

  • Sang***ul Park
    Jun 20, 2024

    Quick response!
    Genuine parts!
    Fast delivery time!

    After we inquired about the parts we needed, we showed an immediate response.
    They gave us confidence in the authenticity that we can always trust in our mail response.

    In addition, sufficient time and response were given until the test on the sample was completed.

    We were able to completely finish this projector.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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AD7721AR Image

AD7721AR

Analog Devices Inc.
32D-AD7721AR

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