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Name: AD7991YRJZ-1RL
Brand: Analog Devices Inc.
SKU: AD7991YRJZ-1RL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. AD7991YRJZ-1RL

Part No.:: AD7991YRJZ-1RL

Manufacturer:: Analog Devices Inc.

Package:: SOT-23-8

Datasheet:: AD7991YRJZ-1RL.pdf

Description:: IC ADC 12BIT SAR SOT23-8

In Stock:: 3388

Quantity:: Add To Cart

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AD7991YRJZ-1RL Specifications

Packaging:
Tape & Reel (TR),Bulk
Series:
-
Product Status:
Obsolete
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-1RL this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7991YRJZ-1RL 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-1RL 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-1RL information

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AD7991YRJZ-1RL Typical application Circuitry

AD7991YRJZ-1RL

Analog Devices created the small and flexible 12-bit analog-to-digital converter (ADC) known as the AD7991YRJZ-1RL. This chip is well-known for accurately translating analog signals to digital form, which makes it a top option in a number of industries.

Functionality: The AD7991YRJZ-1RL's main job is to accurately transform analog inputs into 12-bit digital outputs.Its I2C interface makes communication with microcontrollers and other digital systems simple.

Applications:

There are numerous applications for which this ADC is appropriate.

- Energy management: For accurate voltage and current measurements in smart grids or energy monitoring systems.

- Portable Devices: Perfect for devices that run on batteries, such as fitness trackers, where power economy is essential.

- Process Control: Used in industrial environments to keep an eye on variables like flow rate, pressure, and temperature.

Parameter Highlights:

- Resolution: 12-bit resolution ensures fine granularity in data conversion.

- Sampling Speed: Offers a maximum sampling rate of 188 kSPS, facilitating quick data collection.

- Interface: The I2C interface simplifies integration with a variety of digital devices.

Circuit Design for a Smart Home Energy Monitor:

1. Power Supply: Attach Pin 8 (VDD) to a 3.3V controlled power supply. Sustaining the precision of the ADC requires a reliable power source.

2. Input Channels: Attach voltage and current sensors to the AD7991YRJZ-1RL ADC's input channels (AIN0 to AIN3 on Pins 5, 4, 3, and 2, respectively). Utilize low-pass filters at each input to minimize noise and improve measurement quality.

3. Voltage Reference: Link a stable 3.3V reference to the REF (Pin 6) to set the ADC's input range, ensuring consistent and accurate readings.

4. Grounding: Securely connect GND (Pin 7) to the system ground to reduce noise and enhance signal quality.

5. Digital Communication: Interface the SDA (Pin 1) and SCL (Pin 9) pins with the microcontroller's I2C lines for efficient data transfer.

6. Address Setting: Configure the ADDR (Pin 10) pin to set the I2C address of the ADC, allowing for multiple devices on the same bus without conflicts.

Design Tips:

When designing with the AD7991YRJZ-1RL, consider the following:

- Decoupling Capacitors: To ensure steady ADC operation, place capacitors in close proximity to the VDD pin to filter out power supply noise.

- Signal Isolation: To avoid interference and preserve measurement accuracy, isolate analog signal pathways from digital equipment.

- I2C Line Configuration: To guarantee correct I2C communication, add the necessary pull-up resistors to the SDA and SCL lines.

In conclusion, the AD7991YRJZ-1RL ADC is a high-performance chip that offers precision, speed, and flexibility, making it an excellent choice for a wide range of measurement applications. By following the detailed circuit design guidelines, engineers can leverage this chip's capabilities to achieve accurate and reliable data acquisition in their systems.

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6. What is the process for return or replacement of AD7991YRJZ-1RL?

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-1RL we delivered, we will accept the replacement or return of the AD7991YRJZ-1RL 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-1RL.

(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