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Name: AD7894ARZ-2
Brand: Analog Devices Inc.
SKU: AD7894ARZ-2
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. AD7894ARZ-2

Part No.:: AD7894ARZ-2

Manufacturer:: Analog Devices Inc.

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:

Description:: IC ADC 14BIT SAR 8SOIC

In Stock:: 113

Quantity:: Add To Cart

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AD7894ARZ-2 Specifications

Packaging:
Tube
Series:
-
Product Status:
Active
Number of Bits:
14
Sampling Rate(PerSecond):
200k
Number of Inputs:
1
Input Type:
Single Ended
Data Interface:
SPI
Configuration:
S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
5V
Features:
-
Operating Temperature:
-40°C ~ 85°C

AD7894ARZ-2 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7894ARZ-2 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 AD7894ARZ-2 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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AD7894ARZ-2 information

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AD7894ARZ-2 Typical application Circuitry

AD7894ARZ-2

The AD7894ARZ-2 emerges as a standout 14-bit analog-to-digital converter (ADC) in the realm of precision measurement, characterized by its swift conversion speed of up to 125 kSPS (kilo samples per second). This ADC is engineered for performance, operating seamlessly on a single +5V power supply, which makes it a perfect fit for an array of applications that demand both speed and accuracy, such as real-time monitoring systems, portable diagnostic devices, and advanced control systems.

Core Attributes of AD7894ARZ-2:

- 14-bit resolution: Offers fine granularity in signal conversion, capturing subtle changes in the input signal.

- 125 kSPS conversion rate: Allows for the rapid acquisition of data, essential for capturing fast-changing signals.

- Single +5V operation: Provides ease of integration into various system architectures without complex power management.

- Serial interface: Facilitates straightforward communication with a wide range of microcontrollers and digital processors.

Application Blueprint: High-Precision Environmental Sensing System

Consider the application of the AD7894ARZ-2 in a high-precision environmental sensing system, where it is tasked with capturing minute variations in environmental parameters:

1. Establishing the Power Supply:

- VDD (Pin 8): Ensure this pin is connected to a regulated +5V power source for consistent performance.

- GND (Pin 4): This pin should be firmly grounded to provide a stable reference for the AD7894ARZ-2 ADC.

2. Configuring the Analog Input:

- VIN (Pin 5): Link this pin to the output of an environmental sensor, making sure the signal is within the ADC's input range to maintain accuracy.

3. Setting Up the Reference Voltage:

- REF IN (Pin 6): A precise 2.5V reference voltage connected here sets the scale for the input voltage range, ensuring accurate conversion.

4. Organizing Digital Communication:

- CS (Pin 1): Tie this pin to a digital I/O pin on the microcontroller to manage chip selection.

- SCLK (Pin 2): This pin should be synchronized with a clock output from the microcontroller to coordinate serial data transfer.

- SDATA (Pin 3): Utilize this pin for transferring serial data from the ADC to the microcontroller.

5. Triggering the Conversion Process:

- CONVST (Pin 7): A digital output from the microcontroller can be used to initiate the conversion process on this pin.

Considerations for Circuit Design:

- Enhancing Signal Integrity: A low-pass filter at the analog input can be employed to filter out high-frequency noise, ensuring the integrity of the signal being converted.

- Ensuring Power Stability: Deploy decoupling capacitors near the VDD and ground pins to maintain a stable power supply and minimize noise.

- Isolating Circuit Sections: Keeping the analog and digital sections of the circuit physically separated can help reduce the impact of digital noise on the analog signal.

- Managing Software Control: Developing a microcontroller software routine to precisely control the timing of conversions and the handling of the digital data is crucial for accurate data acquisition.

In this environmental sensing system, the AD7894ARZ-2 is instrumental in converting analog signals from environmental sensors into digital data with high precision and speed. Its rapid conversion rate and high-resolution capabilities make it an excellent choice for monitoring and analyzing environmental conditions in real-time.

AD7894ARZ-2 FAQ

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6. What is the process for return or replacement of AD7894ARZ-2?

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 AD7894ARZ-2 we delivered, we will accept the replacement or return of the AD7894ARZ-2 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 AD7894ARZ-2.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations