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Name: AD7689ACPZ
Brand: Analog Devices Inc.
SKU: AD7689ACPZ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. AD7689ACPZ

Part No.:: AD7689ACPZ

Manufacturer:: Analog Devices Inc.

Package:: 20-WFQFN Exposed Pad, CSP

Datasheet:

Description:: IC ADC 16BIT SAR 20LFCSP

In Stock:: 3718

Quantity:: Add To Cart

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AD7689ACPZ Specifications

Packaging:
Tray
Series:
PulSAR®
Product Status:
Active
Number of Bits:
16
Sampling Rate(PerSecond):
250k
Number of Inputs:
8
Input Type:
Differential, Pseudo-Differential, Single Ended
Data Interface:
SPI, DSP
Configuration:
MUX-S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External, Internal
Voltage-Supply Analog:
2.3V ~ 5.5V
Voltage-Supply Digital:
2.3V ~ 5.5V
Features:
Temperature Sensor
Operating Temperature:
-40°C ~ 85°C

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AD7689ACPZ information

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AD7689ACPZ Typical application Circuitry

AD7689ACPZ

The AD7689ACPZ is a cutting-edge, 16-bit analog-to-digital converter (ADC) celebrated for its versatility and precision. It's specifically designed for applications requiring the accurate conversion of multiple analog signals to digital data.

Key Features:

1. Superior Resolution: The AD7689ACPZ, with its 16-bit resolution, ensures that even the most subtle variations in the analog signal are accurately captured, providing a richly detailed digital output.

2. Flexible Input Configuration: It can accommodate up to 8 single-ended inputs or 4 differential inputs, making it adaptable for a wide range of measurement applications.

3. Energy-Efficient Design: Optimized for low power consumption, this ADC is ideal for battery-operated or energy-sensitive applications.

4. SPI Interface: Featuring a Serial Peripheral Interface (SPI), the AD7689ACPZ ensures smooth integration with microcontrollers or DSPs, facilitating easy data communication.

5. Compact Form Factor: Its small package makes it ideally suited for applications where space is limited.

Application Scenario: Multichannel Data Acquisition Systems

In multichannel data acquisition systems, such as those used in environmental monitoring or laboratory equipment, the AD7689ACPZ can be employed to accurately measure and digitize signals like temperature, humidity, or chemical concentrations across multiple channels.

Detailed Circuit Design:

1. Stable Power Supply Connection: Connect a consistent +5V supply to the VDD pin (pin 16) to power the ADC adequately.

2. Analog Input Configuration: Attach the outputs from various sensors to the IN0 to IN7 pins (pins 1 to 8), setting them up for single-ended or differential measurements as needed.

3. Digital Communication Setup: Interface the SCLK (pin 12), SDI/SDO (pin 13), and CNV (pin 14) pins with the corresponding SPI pins of a microcontroller or DSP to enable efficient data exchange.

4. Reference Voltage Setup: Connect a stable reference voltage to the REF pin (pin 9) to set the reference level for the ADC.

Critical Design Considerations:

1. Signal Integrity Assurance: It's crucial to shield analog input signals from environmental noise and electromagnetic disturbances to maintain the integrity of the conversion.

2. Power Supply Stability: A low-noise, stable power supply is essential for the ADC to avoid any negative impact on conversion accuracy due to power supply variations.

3. Thoughtful PCB Layout: Design the PCB to minimize the length of analog signal paths and isolate them from digital traces, effectively reducing potential noise interference.

In essence, the AD7689ACPZ is an exceptional ADC choice for multichannel data acquisition systems, where its precision, flexibility, and compact size are highly valued. Careful attention to signal integrity, power supply stability, and PCB layout is paramount when integrating this chip into systems, ensuring accurate and reliable performance.

AD7689ACPZ FAQ

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3. Are the AD7689ACPZ price and inventory displayed accurate?

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6. What is the process for return or replacement of AD7689ACPZ?

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 AD7689ACPZ we delivered, we will accept the replacement or return of the AD7689ACPZ 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 AD7689ACPZ.

(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