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Name: AD7946BRMZ
Brand: Analog Devices Inc.
SKU: AD7946BRMZ
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. AD7946BRMZ

Part No.:: AD7946BRMZ

Manufacturer:: Analog Devices Inc.

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

Datasheet:: AD7946BRMZ.pdf

Description:: IC ADC 14BIT SAR 10MSOP

In Stock:: 3177

Quantity:: Add To Cart

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AD7946BRMZ Specifications

Packaging:
Bulk,Tube
Series:
PulSAR®
Product Status:
Active
Number of Bits:
14
Sampling Rate(PerSecond):
500k
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:
5V
Voltage-Supply Digital:
5V
Features:
-
Operating Temperature:
-40°C ~ 85°C

AD7946BRMZ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7946BRMZ 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 AD7946BRMZ 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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AD7946BRMZ information

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AD7946BRMZ Typical application Circuitry

AD7946BRMZ

The AD7946BRMZ 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 µs and a throughput rate of 1 MSPS, this ADC is ideal for applications requiring accurate and fast analog-to-digital conversion.

Application Scenario: Portable Spectrometer for Material Analysis

In scientific instrumentation, the AD7946BRMZ can be used in a portable spectrometer for material analysis, digitizing analog signals from optical sensors to determine the composition of various materials.

Circuit Design for Portable Spectrometer

1. Power Supply Configuration:

- Connect the VDD pin (pin 10) of the AD7946BRMZ to a regulated 3.3 V power supply, typically derived from a battery.

- 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 AD7946BRMZ 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 optical sensor 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 AD7946BRMZ and the microcontroller of the portable spectrometer.

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

5. Conversion Control Mechanism:

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

- Program the microcontroller to trigger ADC conversions at regular intervals, aligning with the desired sampling rate for spectral analysis.

Key Design Considerations:

- Signal Conditioning: Ensure proper conditioning of the optical sensor signal to match the input range of the AD7946BRMZ and to filter out unwanted noise.

- Power Efficiency: Optimize power consumption by using low-power components and implementing power-saving modes in the microcontroller, especially important in portable devices.

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

- Optical Sensor Interface: Design the interface circuit to accurately capture the optical sensor's response for precise material analysis.

In this application, the AD7946BRMZ ADC is integral to a portable spectrometer for material analysis, providing accurate and fast conversion of optical sensor signals for detailed spectral analysis. By addressing key design considerations such as signal conditioning, power efficiency, data integrity, and optical sensor interface, designers can create an effective and portable spectrometer for scientific and industrial applications.

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6. What is the process for return or replacement of AD7946BRMZ?

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(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 AD7946BRMZ.

(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