Products > Integrated Circuits (ICs) > Data Conversion ICs > AD660SQ

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  • Voltage Output D/A Converters ; Single-Channel Voltage Output D/A Converters
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AD660SQ Product Details

The AD660SQ DACPORT® is a complete 16-bit monolithic digital-to-analog converter with an on-board voltage reference, double-buffered latches, and an output amplifier. It is manufactured on the Analog Devices, Inc., BiMOS II process. This process allows the fabrication of low power CMOS logic functions on the same chip as high precision bipolar linear circuitry.

The AD660SQ architecture ensures 15-bit monotonicity over time and temperature. Integral and differential nonlinearity is maintained at ±0.003% maximum. The on-chip output amplifier provides a voltage output settling time of 10 μs to within ½ LSB for a full-scale step.

The AD660SQ has an extremely flexible digital interface. Data can be loaded into the AD660SQ in serial mode or as two 8-bit bytes. This is made possible by two digital input pins that have dual functions. The serial mode input format is pin selectable to be MSB or LSB first. The serial output pin allows the user to daisy-chain several AD660SQ devices by shifting the data through the input latch into the next DAC, thus minimizing the number of control lines required to SIN, CS and LDAC. The byte mode input format is also flexible in that the high byte or low byte data can be loaded first. The double buffered latch structure eliminates data skew errors and provides for simultaneous updating of DACs in a multiDAC system.

The AD660SQ is available in five grades. AN and BN versions are specified from −40°C to +85°C and are packaged in a 24-lead300 mil plastic DIP. AR and BR versions are also specified from −40°C to +85°C and are packaged in a 24-lead SOIC. The SQ version is packaged in a 24-lead 300 mil CERDIP package and is also available compliant to MIL-STD-883. Refer to theAD660SQ/883B military data sheet for specifications and test conditions.

Product Highlights

  • The AD660SQ is a complete 16-bit DAC, with a voltage reference, double-buffered latches, and an output amplifier on a single chip.
  • The internal buried Zener reference is laser trimmed to 10.000 V with a ±0.1% maximum error and a temperature drift performance of ±15 ppm/°C. The reference is available for external applications.
  • The output range of the AD660SQ is pin programmable and can be set to provide a unipolar output range of 0 V to 10 Vor a bipolar output range of −10 V to +10 V. No external components are required.
  • The AD660SQ is both dc and ac specified. DC specifications include ±1 LSB INL and ±1 LSB DNL errors. AC specifications include 0.009% THD + N and 83 dB SNR.
  • The double-buffered latches on the AD660SQ eliminate data skew errors and allow simultaneous updating of DACs inmultiDAC applications.
  • The clear function can asynchronously set the output to 0 V regardless of whether the DAC is in unipolar or bipolar mode.
  • The output amplifier settles within 10 μs to ±½ LSB for a full-scale step and within 2.5 μs for a 1 LSB step over temperature. The output glitch is typically 15 nV-s when a full-scale step is loaded.
  • Data Sheet, Rev. B, 6/08


    • Complete 16-Bit D/A FunctionOn-Chip Output AmplifierOn-Chip Buried Zener Voltage Reference
    • ±1LSB Integral Linearity
    • 15-Bit Monotonic over Temperature
    • Microprocessor CompatibleSerial or Byte InputDouble Buffered LatchesFast (40 ns) Write Pulse
    • Asynchronous Clear (to 0 V) Function
    • Serial Output Pin Facilitates Daisy Chaining
    • Unipolar or Bipolar Output
    • Low Glitch: 15 nV-s
    • Low THD+N: 0.009%

    AD660SQ Pinout
    (Picture: Pinout)

    AD660SQ Block Diagram
    (Picture: Diagram)

    Technical Parameters

    • Number of Converters
    • 1
    • Number of DAC Outputs
    • 1
    • Conversion Rate
    • 167 Ksps
    • Resolution
    • 16 bit
    • Interface Type
    • Parallel, Serial (SPI, Microwire)
    • Settling Time
    • 13 us
    • Maximum Operating Temperature
    • + 125 C
    • Package / Case
    • CDIP
    • Packaging
    • Tube
    • Minimum Operating Temperature
    • - 55 C
    • Output Type
    • Voltage
    • Series
    • AD660
    • Factory Pack Quantity
    • 15
    • Voltage Reference
    • Internal, External

    AD660SQ Documents

    • AD660 Technical Documentation/Data sheet

    AD660SQ Related Products

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    Estimated Delivery Time: Oct 24 - Oct 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

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      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.


    • Step1:Product

      Step1: Products

    • Step2:Vacuum packaging

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      Step3: Anti-Static Bag

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      Step4: Individual Packaging

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    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


    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 AD660SQ 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 AD660SQ devices; we pay more attention to the channels and quality of AD660SQ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
    Q: How to find the detailed information of AD660SQ chips? Including AD original factory information, Voltage Output D/A Converters ; Single-Channel Voltage Output D/A Converters application, AD660SQ pictures?
    You can use Jotrin's intelligent search engine, or filter by Voltage Output D/A Converters ; Single-Channel Voltage Output D/A Converters category, or find it through Analog Devices, Inc Information page.
    Q: Are the AD's AD660SQ 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 AD660SQ, 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 AD660SQ?
    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 AD660SQ we delivered, we will accept the replacement or return of the AD660SQ 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 AD660SQ.
    (3)The AD660SQ 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 AD660SQ datasheet pdf, AD660 pin diagram?
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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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