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Name: AD7657BSTZ
Brand: Analog Devices Inc.
SKU: AD7657BSTZ
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. AD7657BSTZ

Part No.:: AD7657BSTZ

Manufacturer:: Analog Devices Inc.

Package:: 64-LQFP

Datasheet:: AD7657BSTZ.pdf

Description:: IC ADC 14BIT SAR 64LQFP

In Stock:: 2276

Quantity:: Add To Cart

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AD7657BSTZ Specifications

Packaging:
Bulk,Tray
Series:
iCMOS®
Product Status:
Active
Number of Bits:
14
Sampling Rate(PerSecond):
250k
Number of Inputs:
6
Input Type:
Single Ended
Data Interface:
SPI, Parallel, DSP
Configuration:
S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
6
Architecture:
SAR
Reference Type:
External, Internal
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
5V
Features:
Simultaneous Sampling, True Bipolar
Operating Temperature:
-40°C ~ 85°C

AD7657BSTZ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7657BSTZ 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 AD7657BSTZ 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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AD7657BSTZ information

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AD7657BSTZ Typical application Circuitry

AD7657BSTZ

The AD7657BSTZ is a high-performance, dual-channel, 16-bit analog-to-digital converter (ADC) designed for precise and simultaneous sampling of analog signals. Applications including industrial process control, medical instruments, and data collecting systems are a good fit for it.

Key Features:

1. High Resolution: The AD7657BSTZ offers 16-bit resolution, providing accurate digital representation of analog signals.

2. Dual Channels: It has two independent input channels, allowing for simultaneous sampling of two different signals.

3. Quick Sampling Rate: This feature is appropriate for high-speed data gathering, with a maximum sampling rate of 250 kSPS per channel.

4. Flexible Input Range: The ADC supports various input ranges, including ±10V, ±5V, and ±2.5V, accommodating different signal amplitudes.

Application Scenario: Industrial Process Control

In an industrial process control system, the AD7657BSTZ can be used to simultaneously monitor two different parameters, such as temperature and pressure, for real-time control and decision-making.

Circuit Design:

1. Power Supply Connections: Connect a +5V supply to pin 37 (VDD) for the digital circuitry and pin 9 (AVDD) for the analog circuitry. Ground connections are made to pin 21 (DGND) and pin 1 (AGND), respectively.

2. Analog Inputs: Connect the outputs of the temperature and pressure sensors to the input channels (AIN1 and AIN2) on pins 2 and 3. Use appropriate signal conditioning circuits to match the sensors' output range with the selected input range of the ADC.

3. Reference Voltage: Connect a precision reference voltage to pin 8 (REF) to set the ADC's full-scale range. A typical value is 5V for a ±10V input range.

4. Control Signals: Connect the CONVST (conversion start) pin 36 to a digital output of the microcontroller to initiate the conversion process. The BUSY pin 35 indicates when the ADC is busy converting.

5. Data Interface: Connect the parallel data output pins (D0 to D15) to the corresponding data input pins of the microcontroller or digital signal processor for data transfer. The RD (read) pin 34 and CS (chip select) pin 33 are used to control the data transfer process.

Design Considerations:

- Signal Conditioning: Implement proper filtering and buffering to condition the sensor signals for optimal ADC performance.

- Reference Voltage Stability: Select a high-quality reference voltage source to maintain measurement accuracy.

- Power Supply Noise: To reduce noise and guarantee steady ADC operation, use decoupling capacitors close to the power supply pins.

- Timing Considerations: Ensure that the control signals and data read operations are well-timed to prevent data corruption.

In essence, the AD7657BSTZ is a versatile and high-performance ADC that is well-suited for industrial process control applications. By paying attention to signal conditioning, reference voltage stability, power supply noise, and timing considerations, a reliable and accurate monitoring system can be developed using the AD7657BSTZ.

AD7657BSTZ FAQ

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6. What is the process for return or replacement of AD7657BSTZ?

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 AD7657BSTZ we delivered, we will accept the replacement or return of the AD7657BSTZ 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 AD7657BSTZ.

(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