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Name: AD7942BRMZ
Brand: Analog Devices Inc.
SKU: AD7942BRMZ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. AD7942BRMZ

Part No.:: AD7942BRMZ

Manufacturer:: Analog Devices Inc.

Package:: 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

Datasheet:: AD7942BRMZ.pdf

Description:: IC ADC 14BIT SAR 10MSOP

In Stock:: 2317

Quantity:: Add To Cart

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AD7942BRMZ Specifications

Packaging:
Bulk,Tube
Series:
PulSAR®
Product Status:
Active
Number of Bits:
14
Sampling Rate(PerSecond):
250k
Number of Inputs:
1
Input Type:
Pseudo-Differential
Data Interface:
SPI, DSP
Configuration:
S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External
Voltage-Supply Analog:
2.3V ~ 5.5V
Voltage-Supply Digital:
2.3V ~ 5.5V
Features:
-
Operating Temperature:
-40°C ~ 85°C

AD7942BRMZ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7942BRMZ 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 AD7942BRMZ 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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AD7942BRMZ information

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AD7942BRMZ Typical application Circuitry

AD7942BRMZ

The AD7942BRMZ is a 14-bit analog-to-digital converter (ADC) known for its high precision and low power consumption. It operates with a single power supply ranging from 2.7 V to 5.5 V and features a serial interface for data communication. With a conversion time of just 1.5 µs and a throughput rate of 250 kSPS, this ADC is ideal for applications requiring accurate and fast analog-to-digital conversion.

Application Scenario: Precision Voltage Measurement in Power Management Systems

In power management systems, the AD7942BRMZ can be used to digitize analog voltage signals for monitoring and regulating power supplies in electronic devices.

Circuit Design for Voltage Measurement in Power Management System

1. Power Supply Configuration:

- Connect the VDD pin (pin 10) of the AD7942BRMZ to a regulated 3.3 V power supply.

- Place decoupling capacitors (0.1 µF ceramic and 10 µF tantalum) near the VDD pin to ensure a stable power supply and reduce noise.

2. Reference Voltage Setup:

- Use the internal reference voltage of the AD7942BRMZ by connecting the REF IN pin (pin 8) to the VDD pin, ensuring consistent ADC performance.

3. Analog Input Configuration:

- Connect the analog output of the voltage sensor or divider to the VIN pin (pin 9) through a signal conditioning circuit to match the ADC's input range and filter out noise.

4. Digital Communication Interface:

- Establish an SPI interface for communication between the AD7942BRMZ and the microcontroller or processing unit of the power management system.

- Connect the SDO pin (pin 1), SDI pin (pin 2), and SCLK pin (pin 3) to the corresponding SPI pins on the microcontroller or processing unit for efficient data transfer.

5. Conversion Control Mechanism:

- Control the CONVST pin (pin 4) with a GPIO pin from the microcontroller or processing unit to initiate the conversion process.

- Program the microcontroller or processing unit to trigger ADC conversions at regular intervals, aligning with the desired sampling rate for voltage monitoring.

Key Design Considerations:

- Signal Conditioning: Ensure proper conditioning of the voltage sensor signal to match the input range of the AD7942BRMZ and to filter out unwanted noise.

- Power Efficiency: Optimize power consumption by using low-power components and implementing power-saving modes in the microcontroller or processing unit, especially important in power management systems.

- Data Integrity: Implement error-checking protocols in the digital communication interface to ensure the integrity of the digitized data.

- Voltage Scaling: Design the voltage sensor or divider circuit to accurately scale the monitored voltage to the input range of the AD7942BRMZ.

In this application, the AD7942BRMZ ADC is integral to a precision voltage measurement system in power management, providing accurate and fast conversion of voltage signals for effective monitoring and regulation of power supplies. By addressing key design considerations such as signal conditioning, power efficiency, data integrity, and voltage scaling, designers can create an effective and reliable voltage measurement system for power management applications.

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6. What is the process for return or replacement of AD7942BRMZ?

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 AD7942BRMZ we delivered, we will accept the replacement or return of the AD7942BRMZ 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 AD7942BRMZ.

(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