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HomeProductsIntegrated Circuits (ICs)Data Acquisition - Analog to Digital Converters (ADC)AD7705BRZ-REEL
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AD7705BRZ-REEL - Analog Devices Inc.

Manufacturer Part Number
Analog Devices, Inc.
Allelco Part Number
ECAD Model
Parts Description
Detailed Description
16-SOIC (0.295", 7.50mm Width)
Data sheet
RoHs Status
ROHS3 Compliant
In stock: 3792

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AD7705BRZ-REEL Tech Specifications
Analog Devices Inc. - AD7705BRZ-REEL technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - AD7705BRZ-REEL

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply, Digital 2.7V ~ 3.3V, 5V  
Voltage - Supply, Analog 2.7V ~ 3.3V, 5V  
Supplier Device Package 16-SOIC  
Series -  
Sampling Rate (Per Second) 500  
Reference Type External  
Ratio - S/H:ADC -  
Package / Case 16-SOIC (0.295", 7.50mm Width)  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 85°C  
Product Attribute Attribute Value  
Number of Inputs 2  
Number of Bits 16  
Number of A/D Converters 1  
Mounting Type Surface Mount  
Input Type Differential  
Features PGA  
Data Interface SPI, DSP  
Configuration MUX-PGA-ADC  
Base Product Number AD7705  
Architecture Sigma-Delta  

Parts Introduction

Manufacturer Part Number



Analog Devices


High-resolution ADC with integrated PGA for precision data conversion

Product Features and Performance

16-bit resolution

500 samples per second

Dual differential inputs

SPI and DSP digital interfaces

Multiplexer, programmable gain amplifier (PGA), and ADC in one chip

Sigma-Delta architecture

Product Advantages

Enhanced signal-to-noise ratio with integrated PGA

Versatile interfacing with SPI and DSP

Low power consumption suitable for battery-powered devices

Key Technical Parameters

16 bits of resolution

Sampling rate of 500 SPS

2 differential inputs

External reference voltage required

Analog voltage supply range from 2.7V to 3.3V or 5V

Digital voltage supply range from 2.7V to 3.3V or 5V

Quality and Safety Features

Operational over a temperature range of -40°C to 85°C

Reliable performance in industrial temperature environments


Compatible with SPI and DSP interfaces

Surface mount 16-SOIC package for PCB integration

Application Areas

Portable instrumentation

Battery-powered devices

Data acquisition systems

Industrial control systems

Product Lifecycle

Active status, not nearing discontinuation

Availability of replacements or upgrades expected to be stable

Several Key Reasons to Choose This Product

High-resolution data conversion enhances measurement accuracy

Built-in PGA for signal conditioning reduces the need for external components

Low power requirements suitable for portable, battery-operated applications

Flexible interfacing options with common serial protocols

Robust operation in a wide temperature range suitable for challenging environments

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. AD7705BRZ-REEL

Product Attribute AD7705BRZ-REEL AD7706BR AD7703CRZ AD7705BRU
Part Number AD7705BRZ-REEL AD7706BR AD7703CRZ AD7705BRU
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Voltage - Supply, Analog 2.7V ~ 3.3V, 5V 2.7V ~ 3.3V, 5V 5V 2.7V ~ 3.3V, 5V
Number of Inputs 2 3 1 2
Number of A/D Converters 1 1 1 1
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Voltage - Supply, Digital 2.7V ~ 3.3V, 5V 2.7V ~ 3.3V, 5V 5V 2.7V ~ 3.3V, 5V
Number of Bits 16 16 20 16
Series - - - -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Ratio - S/H:ADC - - 1:1 -
Reference Type External External External External
Base Product Number AD7705 AD7706 AD7703 AD7705
Sampling Rate (Per Second) 500 500 4k 500
Package / Case 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295', 7.50mm Width) 20-SOIC (0.295', 7.50mm Width) 16-TSSOP (0.173', 4.40mm Width)
Architecture Sigma-Delta Sigma-Delta Sigma-Delta Sigma-Delta
Supplier Device Package 16-SOIC 16-SOIC 20-SOIC 16-TSSOP
Input Type Differential Pseudo-Differential Single Ended Differential
Features PGA PGA - PGA
Package Tape & Reel (TR) Tube Tube Tube

AD7705BRZ-REEL Datasheet PDF

Download AD7705BRZ-REEL pdf datasheets and Analog Devices Inc. documentation for AD7705BRZ-REEL - Analog Devices Inc..

Other Related Documents
Tape and Reel Packaging.pdf


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
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.

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    +00852 9146 4856

Certifications & Memberships

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Analog Devices Inc.

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