DAC5688

Features: ` Dual, 16-Bit, 800 MSPS DACs ` Dual, 16-Bit, 250 MSPS CMOS 16 Sample Input FIFO Flexible input data bus options ` High Performance 81 dBc ACLR WCDMA TM1 at 70 MHz ` Selectable 2x8x Interpolation Filters Stop-band Attenuation > 80 dB` Complex Mixer with 32-Bit NCO ` Digital Quadrat...

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SeekIC No. : 004323692 Detail

DAC5688: Features: ` Dual, 16-Bit, 800 MSPS DACs ` Dual, 16-Bit, 250 MSPS CMOS 16 Sample Input FIFO Flexible input data bus options ` High Performance 81 dBc ACLR WCDMA TM1 at 70 MHz ` Selectable 2x8x Inte...

floor Price/Ceiling Price

Part Number:
DAC5688
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

` Dual, 16-Bit, 800 MSPS DACs
` Dual, 16-Bit, 250 MSPS CMOS
16 Sample Input FIFO
Flexible input data bus options
` High Performance
81 dBc ACLR WCDMA TM1 at 70 MHz
` Selectable 2x8x Interpolation Filters
Stop-band Attenuation > 80 dB
` Complex Mixer with 32-Bit NCO
` Digital Quadrature Modulator Correction
Gain, Phase and Offset Correction
` Digital Inverse SINC Filter
` 3- or 4-Wire Serial Control Interface
` On Chip 1.2-V Reference sdtigoipta-bl
` Differential Scalable Output: 2 to 20 mA
 ` Package: 64-pin 9´9mm QFN



Application

· Cellular Base Stations
· Broadband Wireless Access (BWA)
· WiMAX 802.16
· Fixed Wireless Backhaul
· Cable Modem Termination System (CMTS)



Pinout

  Connection Diagram


Specifications

  VALUE UNIT
Supply Voltage Range DVDD(2) 0.5 to 2.3 V
VFUSE(2) 0.5 to 2.3 V
CLKVDD(2) 0.5 to 2.3 V
AVDD(2) 0.5 to 4 V
IOVDD(2) 0.5 to 4 V
Supply Voltage Range AVDD to DVDD 2 to 2.6 V
CLKVDD to DVDD 0.5 to 0.5 V
IOVDD to AVDD 0.5 to 0.5 V
CLK2, CLK2C(2) 0.5 to CLKVDD + 0.5 V
CLKO_CLK1, LOCK_CLK1C, SLEEP, TXENABLE(2) 0.5 to IOVDD + 0.5 V
DA[15..0] ,DB[15..0] (2) 0.5 to IOVDD + 0.5 V
SDO, SDIO, SCLK, SDENB, RESETB (2) 0.5 to IOVDD + 0.5 V
IOUTA1/B1, IOUTA2/B2 (2) 0.5 to AVDD + 0.5 V
LPF, EXTIO, EXTLO, BIASJ (2) 0.5 to AVDD + 0.5 V
Peak input current (any input) 20 mA mA
Peak total input current (all inputs) 30 mA mA
Operating free-air temperature range, TA: DAC5688I 40 to 85 °C
Storage temperature range 65 to 150 °C

(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) Measured with respect to GND.




Description

The DAC5688 is a dual-channel 16-bit 800 MSPS  Input Data digital-to-analog converter (DAC) with dual CMOS  adigitfainl edatafrebquuse,nicnytegrmatiexedr2x-w8ixthinte3r2p-obliat tiocnofmiltpelresx,  numerically controlled oscillator (NCO), on-board  clock multiplier, IQ compensation, and internal voltage reference. Different modes of operation enable or bypass various signal processing blocks. The DAC5688 offers superior linearity, noise,  crosstalk and PLL phase noise performance.

 The DAC5688 dual CMOS data bus provides 250  MSPS input data transfer per DAC channel. Several  input data options are available: dual-bus data, single-bus interleaved data, even and odd  multiplexing at half-rate, and an input FIFO with either  external or internal clock to ease interface timing.

Interface Input data can interpolated 2x, 4x or 8x by on-board  sdtigoipta-bl ainndtearpttoelnautiantgionF.IR filters with over 80 dB of The DAC5688 allows both complex or real output. An optional 32-bit NCO/mixer in complex mode provides frequency upconversion and the dual DAC output produces a complex Hilbert Transform pair. A digital   Inverse SINC filter compensates for natural DAC  Sin(X)/X frequency roll-off. The digital adrature  cMoomdpuelantsoar  ioCnoorrfepchtioanse, (gQaMinCa)ndfeoaftfusreet toalmloawxsimizIQe  sideband rejection and minimize LO feed-through of  an external quadrature modulator performing the final single sideband RF up-conversion.

The DAC5688 is characterized for operation over the industrial temperature range of -40°C to 85°C and is available in a 64-pin 9x9mm QFN package.




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