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AD9857

Features: -200 MHz Internal Clock Rate-14-Bit Data Path-Excellent Dynamic Performance-80 dB SFDR @ 65 MHz (±100 kHz) AOUT-4*20*Programmable Reference Clock Multiplier-Reference Clock Multiplier PLL Lock Detect Indicator-Internal 32-Bit Quadrature DDS-FSK Capability-8-Bit Output Amplitude Control-S...

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SeekIC No. : 004273571 Detail

AD9857: Features: -200 MHz Internal Clock Rate-14-Bit Data Path-Excellent Dynamic Performance-80 dB SFDR @ 65 MHz (±100 kHz) AOUT-4*20*Programmable Reference Clock Multiplier-Reference Clock Multiplier PLL ...

AD9857 Data Sheet

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Part Number:
AD9857
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: 2024/4/26

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Product Details

Description



Features:

-200 MHz Internal Clock Rate
-14-Bit Data Path
-Excellent Dynamic Performance
-80 dB SFDR @ 65 MHz (±100 kHz) AOUT
-4*20*Programmable Reference Clock Multiplier
-Reference Clock Multiplier PLL Lock Detect Indicator
-Internal 32-Bit Quadrature DDS
-FSK Capability
-8-Bit Output Amplitude Control
-Single-Pin Power-Down Function
-Four Programmable, Pin-Selectable Signal "Profiles"
-SIN(x)/x Correction (Inverse SINC Function)
-Simplified Control Interface
10 MHz Serial, 2- or 3-Wire SPI-Compatible
-3.3 V Single Supply
-Single-Ended or Differential Input Reference Clock
-80-Lead LQFP Surface-Mount Packaging
-Three Modes of Operation
Quadrature Modulator Mode
Single-Tone Mode
Interpolating DAC Mode





Application

-HFC Data, Telephony, and Video Modems
-Wireless Base Station
-Agile, L.O. Frequency Synthesis
-Broadband Communications




Pinout

Connection Diagram




Specifications

Maximum Junction Temperature . . . . . . . . . . . . . . . . .150°C
VS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 V
Digital Input Voltage . . . . . . . . . . . . . . . . . . . .0.7 V to +VS
Digital Output Current . . . . . . . . . . . . . . . . . . . .... . . . . .5 mA
Storage Temperature . . . . . . . . . . . . . . .65°C to +150°C
Operating Temperature . . . . . . . . . . . . . . .40°C to +85°C
Lead Temperature (Soldering 10 sec) . . . . . . . . .. . . . .300°C
JA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35°C/W
JC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16°C/W

I/O Interface Serial
Master fclk 200MHz
Resolution (Bits) 14bit
SNR (dB) n/a
Pwr Supply (V) 3.135 to 3.465
I Supply total (max) 615mA
FS Iout (mA nom) 20mA
Compliance Range (V) 1V
REFCLK Multiplier Yes





Description

The AD9857 integrates a high-speed direct-digital synthesizer(DDS), a high-performance, high-speed 14-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 AD9857 is intended to function as a universal I/Q modulator and agile upconverter, single-tone DDS, or interpolating DAC for communications applications, where cost, size, power dissipation, and dynamic performance are critical attributes.

The AD9857 offers enhanced performance over the industry-standard AD9856, as well as providing additional features.The AD9857 is available in a space-saving surface-mount package and is specified to operate over the extended industrial temperature range of 40°C to +85°C.






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