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Name: ADS8689IPW
Brand: Texas Instruments
SKU: ADS8689IPW
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Texas Instruments ADS8689IPW

Part No.:: ADS8689IPW

Manufacturer:: Texas Instruments

Package:: 16-TSSOP (0.173, 4.40mm Width)

Datasheet:: ADS8689IPW.pdf

Description:: IC ADC 16BIT SAR 16TSSOP

In Stock:: 3157

Quantity:: Add To Cart

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ADS8689IPW Specifications

Packaging:
Tube
Series:
-
Product Status:
Active
Number of Bits:
16
Sampling Rate(PerSecond):
100k
Number of Inputs:
1
Input Type:
Pseudo-Differential, Single Ended
Data Interface:
SPI
Configuration:
PGA-S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External, Internal
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
1.65V ~ 5.25V
Features:
PGA
Operating Temperature:
-40°C ~ 125°C (TA)

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ADS8689IPW information

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ADS8689IPW Typical application Circuitry

ADS8689IPW

The ADS8689IPW is a high-precision, integrated analog-to-digital converter (ADC) developed by Texas Instruments. It features multiple functionalities including a 16-bit ADC, an internal reference, and a reference buffer. This chip is designed for applications that require precise and high-speed conversion of analog signals to digital data, such as industrial automation, medical instrumentation, and data acquisition systems.

Key Features of the ADS8689IPW:

1. 16-Bit ADC: Offers high precision in analog-to-digital conversion.

2. High-Speed Operation: Suitable for applications that require quick data acquisition.

3. Integrated Reference and Buffer: Comes with an internal reference and reference buffer, enhancing accuracy and simplifying design.

4. SPI Interface: Equipped with a Serial Peripheral Interface (SPI) for communication with microcontrollers or digital systems.

Application Scenario: Industrial Process Monitoring

Circuit Connection Details:

1. Power Supply Connection: Connect the AVDD and DVDD pins of the ADS8689IPW to a stable power source, typically around 5V for AVDD and 3.3V for DVDD.

2. Analog Input: Connect industrial sensors (like temperature or pressure sensors) to the AIN0-AIN3 pins for analog input.

3. Digital Interface Setup: Interface the SCLK (Serial Clock), SDI (Serial Data In), SDO (Serial Data Out), and CS (Chip Select) pins with the respective SPI pins on a microcontroller or digital processor.

4. Reference Voltage: Utilize the internal reference of the ADS8689IPW or connect an external reference voltage to the REF pin, depending on the accuracy requirements.

Design Considerations:

1. Stable Power Source: Ensure consistent and noise-free power supplies for both analog and digital sections.

2. Signal Integrity for Analog Inputs: Implement noise reduction strategies and proper signal routing to maintain signal quality.

3. SPI Communication Reliability: Design a robust SPI communication interface, considering signal integrity and speed requirements.

4. Thermal Management: Manage the thermal load effectively, especially in high-speed or continuous operation scenarios.

Conclusion

The ADS8689IPW is highly suitable for industrial process monitoring due to its 16-bit resolution, high-speed operation, integrated reference and buffer, and SPI interface. Designing circuits with the ADS8689IPW requires careful attention to power supply stability, signal integrity, reliable SPI communication, and thermal management to ensure precise and efficient operation in complex industrial settings.

ADS8689IPW FAQ

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6. What is the process for return or replacement of ADS8689IPW?

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 ADS8689IPW we delivered, we will accept the replacement or return of the ADS8689IPW 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 ADS8689IPW.

(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