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HomeProductsIntegrated Circuits (ICs)Data Acquisition - Analog to Digital Converters (ADC)AD7781BRZ
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AD7781BRZ - Analog Devices Inc.

Manufacturer Part Number
AD7781BRZ
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-AD7781BRZ
ECAD Model
Parts Description
IC ADC 20BIT SIGMA-DELTA 14SO
Package
14-SOIC (0.154', 3.90mm Width)
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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Specifications

AD7781BRZ Tech Specifications
Analog Devices Inc. - AD7781BRZ technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - AD7781BRZ

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply, Digital 2.7V ~ 5.25V  
Voltage - Supply, Analog 2.7V ~ 5.25V  
Supplier Device Package 14-SOIC  
Series -  
Sampling Rate (Per Second) 16.7  
Reference Type External  
Ratio - S/H:ADC -  
Package / Case 14-SOIC (0.154', 3.90mm Width)  
Package Tube  
Operating Temperature -40°C ~ 105°C  
Product Attribute Attribute Value  
Number of Inputs 1  
Number of Bits 20  
Number of A/D Converters 1  
Mounting Type Surface Mount  
Input Type Differential  
Features PGA  
Data Interface SPI  
Configuration PGA-ADC  
Base Product Number AD7781  
Architecture Sigma-Delta  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

AD7781BRZ

Manufacturer

Analog Devices

Introduction

High-accuracy 20-bit ADC with PGA and SPI interface

Product Features and Performance

20-bit resolution

Sigma-Delta architecture

Programmable gain amplifier (PGA) included

Single differential input

7 samples per second

External reference voltage

SPI data interface

Analog supply voltage range: 2.7V to 5.25V

Digital supply voltage range: 2.7V to 5.25V

Operating temperature range: -40°C to 105°C

Product Advantages

Precision data acquisition

Low power consumption

Flexible voltage supply options

Highly integrated with PGA and ADC in one chip

Suitable for high-temperature environments

Key Technical Parameters

Resolution: 20 bits

Sampling Rate: 16.7 SPS

Input Type: Differential

Reference Type: External

Architecture: Sigma-Delta

Quality and Safety Features

Robust operating temperature range

Conforms to industry-standard safety specifications

Compatibility

SPI compatible interface

Works with various microcontrollers and digital systems

Application Areas

Precision sensing in industrial, medical, and automotive systems

Data acquisition systems

Process control instruments

Product Lifecycle

Active product status

Standard lifecycle, not near discontinuation

Replacement and upgrade options available

Several Key Reasons to Choose This Product

High resolution for precise measurements

Integrated PGA for signal conditioning

Efficient Sigma-Delta converter provides noise reduction

Durability in a wide range of operating temperatures

SPI interface for easy digital system integration

Renowned manufacturer known for quality and reliability

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. AD7781BRZ

Product Attribute AD7781BRZ AD7780BRUZ AD7781CRZ-REEL AD7779ACPZ
Part Number AD7781BRZ AD7780BRUZ AD7781CRZ-REEL AD7779ACPZ
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Number of Bits 20 24 20 24
Ratio - S/H:ADC - - - 1:1
Configuration PGA-ADC PGA-ADC PGA-ADC PGA-ADC
Voltage - Supply, Analog 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V ±1.65V, 2.2V ~ 3.6V
Package / Case 14-SOIC (0.154', 3.90mm Width) 16-TSSOP (0.173', 4.40mm Width) 14-SOIC (0.154', 3.90mm Width) 64-WFQFN Exposed Pad, CSP
Number of A/D Converters 1 1 1 8
Series - - - -
Base Product Number AD7781 AD7780 AD7781 AD7779
Data Interface SPI SPI SPI Serial
Voltage - Supply, Digital 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V -
Supplier Device Package 14-SOIC 16-TSSOP 14-SOIC 64-LFCSP (9x9)
Number of Inputs 1 1 1 8
Package Tube Tube Tape & Reel (TR) Tray
Reference Type External External External External, Internal
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Operating Temperature -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 125°C
Sampling Rate (Per Second) 16.7 16.7 16.7 16k
Input Type Differential Differential Differential Differential, Single Ended
Architecture Sigma-Delta Sigma-Delta Sigma-Delta Sigma-Delta
Features PGA PGA PGA Simultaneous Sampling

AD7781BRZ Datasheet PDF

Download AD7781BRZ pdf datasheets and Analog Devices Inc. documentation for AD7781BRZ - Analog Devices Inc..

Datasheets
Cylindrical Battery Holders.pdf
Design Resources
Weigh Scale Design Using AD7781 with Internal PGA .pdf

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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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AD7781BRZ Image

AD7781BRZ

Analog Devices Inc.
32D-AD7781BRZ

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