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Name: AD7991YRJZ-0RL
Brand: Analog Devices Inc.
SKU: AD7991YRJZ-0RL
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. AD7991YRJZ-0RL

Part No.:: AD7991YRJZ-0RL

Manufacturer:: Analog Devices Inc.

Package:: SOT-23-8

Datasheet:: AD7991YRJZ-0RL.pdf

Description:: IC ADC 12BIT SAR SOT23-8

In Stock:: 2485

Quantity:: Add To Cart

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AD7991YRJZ-0RL Specifications

Packaging:
Tape & Reel (TR)
Series:
-
Product Status:
Active
Number of Bits:
12
Sampling Rate(PerSecond):
140k
Number of Inputs:
3, 4
Input Type:
Single Ended
Data Interface:
I²C
Configuration:
MUX-S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External
Voltage-Supply Analog:
2.7V ~ 5.5V
Voltage-Supply Digital:
2.7V ~ 5.5V
Features:
-
Operating Temperature:
-40°C ~ 125°C

AD7991YRJZ-0RL this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7991YRJZ-0RL 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 AD7991YRJZ-0RL 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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AD7991YRJZ-0RL information

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AD7991YRJZ-0RL Typical application Circuitry

AD7991YRJZ-0RL

The AD7991YRJZ-0RL is a versatile analog-to-digital converter (ADC) chip designed for applications that require multiple channel inputs and low power consumption. It is part of the AD799x family, which is well-suited for use in sensor interfaces, data acquisition systems, and power supply monitoring.

Key Features:

- Resolution: This chip offers 12-bit resolution, providing sufficient accuracy for many applications.

- Channel Count: It can accommodate up to 4 single-ended input channels, making it suitable for systems that need to monitor multiple analog signals.

- Low Power Consumption: The gadget uses little power when in use, making it perfect for battery-powered devices.

- I2C Interface: The AD7991YRJZ-0RL chip uses an I2C-compatible serial interface for communication, allowing easy integration into most microcontroller-based systems.

- Small Package: It comes in a compact 10-lead MSOP (Mini Small Outline Package), saving space on the PCB.

Application Scenario: Environmental Monitoring System

In an environmental monitoring system, the AD7991YRJZ-0RL can be used to measure parameters like temperature, humidity, and light intensity. Here's a detailed circuit design:

1. Power Supply: Provide a stable 3.3V power supply to the VDD pin (Pin 1) using a low-noise LDO regulator to ensure accurate ADC readings.

2. I2C Communication: Connect the AD7991YRJZ-0RL SDA (Serial Data Line) pin (Pin 9) and SCL (Serial Clock Line) pin (Pin 10) to the corresponding I2C lines on the microcontroller for data transfer and control.

3. Input Channels: Attach the sensors to the appropriate analog input pins for temperature (AIN0, Pin 5), humidity (AIN1, Pin 6), and light intensity (AIN2, Pin 7). Make that the sensor outputs fall within 0 and VDD, the input range of the ADC.

4. Reference Voltage: Attach a steady reference voltage to Pin 8 (REF pin) in order to obtain accurate results. The ADC's full scale range is established by this voltage.

The Fifth Isolating Capacitors: Decoupling capacitors should be positioned in close proximity to the VDD and REF pins in order to reduce noise and offer a steady reference for precise conversions.

6. Grounding: Make sure that the system ground is connected to Pin 2, which is the GND pin. Use a solid ground plane to minimize noise and interference.

7. Address Selection: The ADDR pin (Pin 3) allows you to set the I2C address of the ADC. Connect it to VDD, GND, SDA, or SCL, depending on the desired address and system configuration.

8. PCB Layout: Keep the analog and digital sections of the PCB separate to reduce noise coupling. Route the analog input traces away from noisy digital signals and components.

By considering these design aspects, the AD7991YRJZ-0RL can effectively measure and monitor various environmental parameters, contributing to a reliable and efficient monitoring system.

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6. What is the process for return or replacement of AD7991YRJZ-0RL?

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 AD7991YRJZ-0RL we delivered, we will accept the replacement or return of the AD7991YRJZ-0RL 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 AD7991YRJZ-0RL.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations