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AD7864AS-2

4-Channel, Simultaneous Sampling, High Speed, 12-Bit ADC A/D Converter

  • Package/Case :
  • QFP44
  • Product Categories :
  • Analog / Digital & Digital / Analog Converter
  • RoHs Status:
  • Lead free/RoHS Compliant
  • In-stock:
  • 204

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AD7864AS-2 Product Details

Any subset of the four channels can be converted to maximize the throughput rate on the selected sequence. Select the channels to convert via hardware (channel select input pins) or software (programming the channel select register).

A single conversion start signal (CONVST) simultaneously places all the track-and-holds into hold and initiates a conversion sequence for the selected channels. The EOC signal indicates the end of each individual conversion in the selected conversion sequence. The BUSY signal indicates the end of the conversion sequence.

Data is read from the part by a 12-bit parallel data bus using the standard CS and RD signals. Maximum throughput for a single channel is 500 kSPS. For all four channels, the maximum throughput is 130 kSPS for the read-during-conversion sequence operation. The throughput rate for the read-after-conversion sequence operation depends on the read cycle time of the processor. See the Timing and Control section. The AD7864AS-2 is available in a small (0.3 square inch area) 44-lead MQFP.

AD7864AS-2

Feature

  • High speed (1.65 μs) 12-bit ADC
  • 4 simultaneously sampled inputs
  • 4 track-and-hold amplifiers0.35 μs track-and-hold acquisition time1.65 μs conversion time per channel
  • HW/SW select of channel sequence for conversion
  • Single-supply operation
  • Selection of input ranges±10 V, ±5 V for AD7864-1±2.5 V for AD7864-3 0 V to 2.5 V, 0 V to 5 V for AD7864-2
  • High speed parallel interface that allowsInterfacing to 3 V processors
  • See data sheet for additional features

AD7864AS-2 Pinout
(Picture: Pinout)

AD7864AS-2 Block Diagram
(Picture: Diagram)

Technical Parameters

  • Channels
  • 4
  • Resolutionbits
  • 12
  • Sample Ratemax | SPS
  • 520k
  • ADC SNR in dBFStyp | dBFS
  • -
  • INL in LSBtyp | LSBs
  • -
  • Device Architecture
  • SAR
  • Input Type
  • Single-Ended
  • Data Output Interface
  • Parallel
  • Powertyp | W
  • 120m

AD7864AS-2 Documents

  • AD7864 Technical Documentation/Data sheet

AD7864AS-2 Related Products

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Estimated Delivery Time: Oct 26 - Oct 31 days (choose Expedited at checkout).

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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.

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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 AD7864AS-2 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 AD7864AS-2 devices; we pay more attention to the channels and quality of AD7864AS-2 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of AD7864AS-2 chips? Including AD original factory information, Analog / Digital & Digital / Analog Converter application, AD7864AS-2 pictures?
You can use Jotrin's intelligent search engine, or filter by Precision A/D Converters ; Simultaneous Sampling A/D Converters category, or find it through Analog Devices, Inc Information page.
Q: Are the AD's AD7864AS-2 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 AD7864AS-2, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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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 AD7864AS-2?
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 AD7864AS2 we delivered, we will accept the replacement or return of the AD7864AS-2 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 AD7864AS-2.
(3)The AD7864AS-2 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 AD7864AS-2 datasheet pdf, AD7864 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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