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AD9856

Features: Universal Low Cost Modulator Solution forCommunications ApplicationsDC to 80 MHz Output BandwidthIntegrated 12-Bit D/A ConverterProgrammable Sample Rate Interpolation FilterProgrammable Reference Clock MultiplierInternal SIN(x)/x Compensation Filter>52 dB SFDR @ 40 MHz AOUT>48 dB S...

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SeekIC No. : 004273568 Detail

AD9856: Features: Universal Low Cost Modulator Solution forCommunications ApplicationsDC to 80 MHz Output BandwidthIntegrated 12-Bit D/A ConverterProgrammable Sample Rate Interpolation FilterProgrammable Re...

AD9856 Data Sheet

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Part Number:
AD9856
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: 2024/4/27

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Product Details

Description



Features:

Universal Low Cost Modulator Solution for
Communications Applications
DC to 80 MHz Output Bandwidth
Integrated 12-Bit D/A Converter
Programmable Sample Rate Interpolation Filter
Programmable Reference Clock Multiplier
Internal SIN(x)/x Compensation Filter
>52 dB SFDR @ 40 MHz AOUT
>48 dB SFDR @ 70 MHz AOUT
>80 dB Narrowband SFDR @ 70 MHz AOUT
+3 V Single Supply Operation
Space-Saving Surface-Mount Packaging
Bidirectional Control Bus Interface
Supports Burst and Continuous Tx Modes
Single Tone Mode for Frequency Synthesis Applications
Four Programmable, Pin-Selectable Modulator Profiles
Direct Interface to AD8320/AD8321 PGA Cable Driver




Application

HFC Data, Telephony and Video Modems
Wireless and Satellite Communications
Cellular Basestations




Pinout

AD9856 Diagram




Specifications

I/O Interface Parallel
Master fclk 200MHz
Resolution (Bits) 12bit
SNR (dB) n/a
Pwr Supply (V) 2.85 to 3.15
I Supply total (max) 530mA
FS Iout (mA nom) 10mA
Compliance Range (V) 1.5V
REFCLK Multiplier Yes


Maximum Junction Temperature . . . . . . . . . . . . . ..... . .+165 C
Storage Temperature . . . . . . . . . . . . . . . . . . 65 C to +150 C
VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . +4 V
Operating Temperature . . . . . . . . . . . . . . . . . 40 C to +85 C
Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . .. . 0.7 V to +VS
Lead Temperature (Soldering 10 sec) . . . . . ... . . . . . . .+300 C
Digital Output Current . . . . . . . . . . . . . . . . . . . ..... . . . . . 5 mA
q JA Thermal Impedance . . . . . . . . . . . . . . . . . . ... . . . . 38 C/W




Description

The AD9856 integrates a high speed direct-digital synthesizer (DDS), a high performance, high speed 12-bit digital-to-analog converter (DAC), clock multiplier circuitry, digital filters and other DSP functions onto a single chip, to form a complete quadrature digital upconverter device. The AD9856 is intended to function as a universal I/Q modulator and agile upconverter for communications applications, where cost, size, power dissi- pation and dynamic performance are critical attributes. The AD9856 is available in a space-saving surface mount pack-age and specified to operate over the extended industrial tem- perature range of 40°C to +85°C.






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