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AD7722AS

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16-Bit, 195 kSPS CMOS, Sigma-Delta ADC

  • Package/Case :
  • QFP44/QFP64
  • Product Categories :
  • Преобразователь AD
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 119

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AD7722AS Product Details

The analog input is continuously sampled by an analog modulator eliminating the need for external sample-and-hold circuitry. The modulator output is processed by two Finite Impulse Response (FIR) digital filters in series. The on-chip filtering reduces the external antialias requirements to first order, in most cases. The group delay for the filter is 215.5 µs, while the settling time for a step input is 431 µs. The sample rate, filter corner frequency, and output word rate are set by an external clock that is nominally 12.5 MHz.

Use of a single bit DAC in the modulator guarantees excellent linearity and dc accuracy. Endpoint accuracy is ensured by on-chip calibration. This calibration procedure minimizes the zero-scale and full-scale errors.

Conversion data is provided at the output register through a flexible serial port or a parallel port. This offers 3-wire, high speed interfacing to digital signal processors. The serial interface operates in an internal clocking (master) mode, whereby an internal serial data clock and framing pulse are device outputs. Additionally, two AD7722s can be configured with the serial data outputs connected together. Each converter alternately transmits its conversion data on a shared serial data line.

The part provides an accurate on-chip 2.5 V reference. A reference input/output function is provided to allow either the internal reference or an external system reference to be used as the reference source for the part.

The AD7722AS is available in a 44-pin PQFP package and is specified over the industrial temperature range from –40°C to +85°C.

AD7722AS

Feature

  • 16-Bit Σ-Δ ADC- 64 x Oversampling Ratio- Up to 220 kSPS Output Word Rate- Low-Pass, Linear Phase Digital Filter
  • Inherently Monotonic
  • On-Chip 2.5 V Voltage Reference
  • Single-Supply 5 V
  • High Speed Parallel or Serial Interface

AD7722AS Pinout
(Picture: Pinout)

AD7722AS Block Diagram
(Picture: Diagram)

Technical Parameters

  • Channels
  • 1
  • Resolutionbits
  • 16
  • Sample Ratemax | SPS
  • 195.3k
  • ADC SNR in dBFStyp | dBFS
  • -
  • INL in LSBtyp | LSBs
  • 2
  • Device Architecture
  • Sigma-Delta
  • Input Type
  • Differential
  • Data Output Interface
  • Parallel, Serial SPI
  • Powertyp | W
  • 375m

AD7722AS Documents

  • AD7722 Technical Documentation/Data sheet

AD7722AS Related Products

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Estimated Delivery Time: May 24 - May 29 days (choose Expedited at checkout).

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  • 7-30 days

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We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.

Packing

  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing

Guarantees

1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that AD7722AS is the original manufacturer or agent of AD?
We have a professional business development department to strictly test and verify the qualifications of AD original manufacturers and agents. All AD suppliers must pass the qualification review before they can publish their AD7722AS devices; we pay more attention to the channels and quality of AD7722AS products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of AD7722AS chips? Including AD original factory information, Преобразователь AD application, AD7722AS pictures?
You can use Jotrin's intelligent search engine, or filter by Precision A/D Converters ; Single Channel A/D Converters category, or find it through Analog Devices, Inc Information page.
Q: Are the AD's AD7722AS price and stock displayed on the platform accurate?
The AD's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for AD7722AS, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of AD7722AS?
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 AD7722AS we delivered, we will accept the replacement or return of the AD7722AS 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 AD7722AS.
(3)The AD7722AS 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
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as AD7722AS datasheet pdf, AD7722 pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

Analog Devices, Inc

AD
Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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