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Manufacturer / Brand: AD
Details: 8-Bit, 125 MSPS Dual TxDAC+ Digital-to-Analog Converter
Series: AD9709
Quantity Available: Over 37720 pieces

Datasheet for AD9709:

AD9709 datasheet
Price for AD9709
Product Parameters
  • Manufacturer Part Number : AD9709
  • Manufacturer : AD
  • Description : 8-Bit, 125 MSPS Dual TxDAC+ Digital-to-Analog Converter
  • Series : AD9709
  • Reference Price : USD 4.312
  • Our Price : We have a better price, contact us by email
  • Product Type : High Speed D/A Converters ≥30MSPS
  • Function : Standard High Speed D/A Converters
  • Current Suggest : Production
  • Status : Production
  • RoHS Status: -
  • Voltage: -
  • Feature: -
  • Package Case: -
  • Temperature Range: -
  • Packing: Reel/Tray/Tube
  • Standard Packing Quantity: -
  • Country of Origin: -
  • Other Part Number : AD9709
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Features and Benefits of AD9709
  • 8-bit dual transmit digital-to-analog converter (DAC)
  • 125 MSPS update rate
  • Excellent SFDR to Nyquist @ 5 MHz output: 66 dBc
  • Excellent gain and offset matching: 0.1%
  • Fully independent or single-resistor gain control
  • Dual port or interleaved data
  • On-chip 1.2 V reference
  • See Data Sheet for Additional Information
Product Detailed Description for AD9709

The AD9709 is a dual-port, high speed, 2-channel, 8-bit CMOS DAC. It integrates two high quality 8-bit TxDAC+® cores, a voltage reference, and digital interface circuitry into a small 48-lead LQFP package. The AD9709 offers exceptional ac and dc performance while supporting update rates of up to 125 MSPS.

The AD9709 has been optimized for processing I and Q data in communications applications. The digital interface consists of two double-buffered latches as well as control logic. Separate write inputs allow data to be written to the two DAC ports independent of one another. Separate clocks control the update rate of the DACs

A mode control pin allows the AD9709 to interface to two separate data ports, or to a single interleaved high speed data port. In interleaving mode, the input data stream is demuxed into its original I and Q data and then latched. The I and Q data is then converted by the two DACs and updated at half the input data rate.

The GAINCTRL pin allows two modes for setting the full-scale current (IOUTFS) of the two DACs. IOUTFS for each DAC can be set independently using two external resistors, or IOUTFS for both DACs can be set by using a single external resistor. See the Gain Control Mode section for important date code information on this feature.

The DACs utilize a segmented current source architecture combined with a proprietary switching technique to reduce glitch energy and to maximize dynamic accuracy. Each DAC provides differential current output, thus supporting single-ended or differential applications. Both DACs can be simultaneously updated and provide a nominal full-scale current of 20 mA. The full-scale currents between each DAC are matched to within 0.1%.

The AD9709 is manufactured on an advanced low-cost CMOS process. It operates from a single supply of 3.3 V or 5 V and consumes 380 mW of power.

Product Highlights

  1. The AD9709 is a member of a pin-compatible family of dual TxDACs providing 8-, 10-, 12-, and 14-bit resolution.
  2. Dual 8-Bit, 125 MSPS DACs. A pair of high performance DACs optimized for low distortion performance provide for flexible transmission of I and Q information.
  3. Matching. Gain matching is typically 0.1% of full scale, and offset error is better than 0.02%.
  4. Low Power. Complete CMOS dual DAC function operates at 380 mW from a 3.3 V or 5 V single supply. The DAC full-scale current can be reduced for lower power operation, and a sleep mode is provided for low power idle periods.
  5. On-Chip Voltage Reference. The AD9709 includes a 1.20 V temperature-compensated band gap voltage reference.
  6. Dual 8-Bit Inputs. The AD9709 features a flexible dual-port interface, allowing dual or interleaved input data.

Applications

  • Communications
  • Base stations
  • Digital synthesis
  • Quadrature modulation
  • 3D ultrasound
  • Lifecycle information of AD9709

    At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

    AD9709 More photos
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