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Name: AD7657BSTZ-1
Brand: Analog Devices Inc.
SKU: AD7657BSTZ-1
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-1

Part No.:: AD7657BSTZ-1

Manufacturer:: Analog Devices Inc.

Package:: 64-LQFP

Datasheet:: AD7657BSTZ-1.pdf

Description:: IC ADC 14BIT SAR 64LQFP

In Stock:: 3193

Quantity:: Add To Cart

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AD7657BSTZ-1 Specifications

Packaging:
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-1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7657BSTZ-1 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-1 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-1 information

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AD7657BSTZ-1 Typical application Circuitry

AD7657BSTZ-1

A high-performance, dual-channel, 16-bit analog-to-digital converter (ADC) with fast speed and accuracy is the AD7657BSTZ-1. It is intended for use in data acquisition systems. It is appropriate for applications like multi-axis positioning systems, power quality analysis, and motor control since it can sample two channels simultaneously.

Key Features:

1. Two-16-bit SAR ADCs: allows two channels to be sampled simultaneously at a resolution of 16 bits.

2. High Sampling Rate: Up to 250 kSPS per channel, allowing for accurate capture of fast-changing signals.

3. Low Power Consumption: Optimized for power-sensitive applications with a typical power consumption of 90 mW at full speed.

4. Flexible Input Ranges: Offers multiple input ranges, including ±10V, ±5V, and ±2.5V, to accommodate various signal levels.

5. Integrated Reference: Features an on-chip 2.5V reference, simplifying the system design.

Application Scenario - Motor Control System:

In a motor control system, the AD7657BSTZ-1 can be used to simultaneously sample the current and voltage signals for real-time monitoring and control of the motor's performance.

Detailed Circuit Connection:

1. Power Supply: Connect a +5V power supply to the AD7657BSTZ-1 VDD pin (pin 32) and a -5V supply to the VSS pin (pin 17). Ensure proper decoupling with capacitors near these pins.

2. Reference Voltage: Connect the REF pin (pin 10) to an external 2.5V reference voltage or use the internal reference by connecting REF to REFCAP (pin 9) with a 10μF capacitor to the ground.

3. Analog Inputs: Connect the motor current signal to the AD7657BSTZ-1 AIN1+ (pin 22) and AIN1- (pin 23) pins for Channel 1, and the motor voltage signal to the AIN2+ (pin 24) and AIN2- (pin 25) pins for Channel 2.

4. Digital Interface: Connect the digital output pins D0 to D15 (pins 33 to 48) to the microcontroller or DSP for data processing. Use the RD (pin 5) and CS (pin 4) pins for controlling the data readout.

5. Clock Input: Apply a clock signal to the CLKIN pin (pin 1) to control the sampling rate. The maximum clock frequency is 20MHz.

Design Considerations:

1. Signal Conditioning: Ensure that the input signals are within the selected input range and properly conditioned to minimize noise and distortion.

2. Layout: Minimize the length of traces connecting the analog inputs and reference voltage to reduce susceptibility to noise.

3. Decoupling of the Power Supply: To reduce noise and offer a steady power supply, use decoupling capacitors near the pins of the power supply.

4. Clock Stability: Use a stable and low-jitter clock source to ensure accurate sampling.

In summary, the AD7657BSTZ-1 is a versatile ADC suitable for high-speed, dual-channel data acquisition applications. By carefully considering the signal conditioning, power supply, and layout, this ADC can provide accurate and reliable performance in motor control systems and other similar applications.

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6. What is the process for return or replacement of AD7657BSTZ-1?

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-1 we delivered, we will accept the replacement or return of the AD7657BSTZ-1 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-1.

(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