Products > Power Supplies > AD7715ARU-3

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3 V/5 V, 450 uA 16-Bit, Sigma-Delta ADC

  • Package/Case :
  • TSSOP-16
  • Product Categories :
  • Analog / Digital & Digital / Analog Converter
  • RoHs Status:
  • Lead free/RoHS Compliant
  • In-stock:
  • 410


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AD7715ARU-3 Product Details

The AD7715ARU-3 features a differential analog input as well as a differential reference input. It operates from a single supply (3 V or 5 V). It can handle unipolar input signal ranges of 0 mV to 20 mV, 0 mV to 80 mV, 0 V to 1.25 V and 0 V to 2.5 V. It can also handle bipolar input signal ranges of ±20 mV, ±80 mV, ±1.25 V and ±2.5 V. These bipolar ranges are referenced to the negative input of the differential analog input. The AD7715ARU-3 thus performs all signal conditioning and conversion for a single channel system.

The AD7715ARU-3 is ideal for use in smart, microcontroller, or DSP-based systems. It features a serial interface that can be configured for three-wire operation. Gain settings, signal polarity, and update rate selection can be configured in software using the input serial port. The part contains self-calibration and system calibration options to eliminate gain and offset errors on the part itself or in the system.

CMOS construction ensures very low power dissipation, and power-down mode reduces the standby power consumption to 50 μW typical. The part is available in a 16-lead, 0.3 inch-wide, plastic dual-in-line package (PDIP) as well as a 16-lead 0.3 inch wide small outline (SOIC_W) package and a 16-lead TSSOP package.

Product Highlights

  • The AD7715ARU-3 consumes less than 450 μA in total supply current at 3 V supplies and 1 MHz master clock, making it ideal for use in low-power systems. Standby current is less than 10 μA.
  • The programmable gain input allows the AD7715ARU-3 to accept input signals directly from a strain gage or transducer removing a considerable amount of signal conditioning.
  • The AD7715ARU-3 is ideal for microcontroller or DSP processor applications with a three-wire serial interface reducing the number of interconnect lines and reducing the number of optocouplers required in isolated systems. The part contains on-chip registers which allow software control over output update rate, input gain, signal polarity, and calibration modes.
  • The part features excellent static performance specifications with 16-bits no missing codes, ±0.0015% accuracy, and low rms noise (<550 nV). Endpoint errors and the effects of temperature drift are eliminated by on-chip calibration options, which remove zero-scale and full-scale errors.
  • AD7715ARU-3


    • Charge-balancing ADC16-bits no missing codes0.0015% nonlinearity
    • Programmable gain front endGains of 1, 2, 32 and 128Differential input capability
    • Three-wire serial interface
    • SPI-, QSPI™-, MICROWIRE™-, and DSP-compatible
    • Ability to buffer the analog input
    • 3 V (AD7715-3) or 5 V (AD7715-5) operation
    • Low supply current: 450 μA maximum @ 3 V supplies
    • Low-pass filter with programmable output update
    • 16-lead SOIC/PDIP/TSSOP

    AD7715ARU-3 Pinout
    (Picture: Pinout)

    AD7715ARU-3 Block Diagram
    (Picture: Diagram)

    Technical Parameters

    • Channels
    • 1
    • Resolutionbits
    • 16
    • Sample Ratemax | SPS
    • 500
    • ADC SNR in dBFStyp | dBFS
    • -
    • INL in LSBtyp | LSBs
    • -
    • Device Architecture
    • Sigma-Delta
    • Input Type
    • Differential
    • Data Output Interface
    • Serial SPI
    • Powertyp | W
    • 9.5m

    AD7715ARU-3 Documents

    • AD7715 Technical Documentation/Data sheet

    AD7715ARU-3 Related Products

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    Estimated Delivery Time: Oct 21 - Oct 26 days (choose Expedited at checkout).

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    • 7-30 days

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      Minimum order quantity starts from 1pcs.

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    • 90 days quality guarantee for all products.

      90 days quality guarantee for all products.


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    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.

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    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.


    Q: How does Jotrin guarantee that AD7715ARU-3 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 AD7715ARU-3 devices; we pay more attention to the channels and quality of AD7715ARU-3 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
    Q: How to find the detailed information of AD7715ARU-3 chips? Including AD original factory information, Analog / Digital & Digital / Analog Converter application, AD7715ARU-3 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 AD7715ARU-3 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 AD7715ARU-3, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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    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.
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    Q: What is the process for returns or replacement of AD7715ARU-3?
    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 AD7715ARU3 we delivered, we will accept the replacement or return of the AD7715ARU-3 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 AD7715ARU-3.
    (3)The AD7715ARU-3 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.
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    Analog Devices, Inc

    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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