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AD9831

Features: 3 V/5 V Power Supply25 MHz SpeedOn-Chip SINE Look-Up TableOn-Chip 10-Bit DACParallel LoadingPowerdown Option72 dB SFDR125 mW (5 V) Power Consumption40 mW (3 V) Power Consumption48-Pin TQFPApplicationDDS TuningDigital DemodulationPinoutSpecifications Compliance Range (V) 1.5V F...

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SeekIC No. : 004273497 Detail

AD9831: Features: 3 V/5 V Power Supply25 MHz SpeedOn-Chip SINE Look-Up TableOn-Chip 10-Bit DACParallel LoadingPowerdown Option72 dB SFDR125 mW (5 V) Power Consumption40 mW (3 V) Power Consumption48-Pin TQFP...

AD9831 Data Sheet

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Part Number:
AD9831
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

3 V/5 V Power Supply
25 MHz Speed
On-Chip SINE Look-Up Table
On-Chip 10-Bit DAC
Parallel Loading
Powerdown Option
72 dB SFDR
125 mW (5 V) Power Consumption
40 mW (3 V) Power Consumption
48-Pin TQFP




Application

DDS Tuning
Digital Demodulation




Pinout

AD9831 Diagram

Connection Diagram




Specifications

Compliance Range (V) 1.5V
FS Iout (mA nom) 4mA
I Supply total (max) 15mA
I/O Interface Parallel
Master fclk 25MHz
Nominal Supply (V) Single(+3.3),Single(+3.6),Single(+5)
On-Board Comparator No
REFCLK Multiplier No
Resolution (Bits) 10bit


(TA = +25°C unless otherwise noted)
AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
AVDD to DVDD . . . . . . . . . . . . . . . . . . . . . .0.3 V to +0.3 V
AGND to DGND. . . . . . . . . . . . . . . . . . . . . .0.3 V to +0.3 V
Digital I/O Voltage to DGND . . . . . 0.3 V to DVDD + 0.3 V
Analog I/O Voltage to AGND . . . . . 0.3 V to AVDD + 0.3 V
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . 40°C to +85°C
Storage Temperature Range . . . . . . .65°C to +150°C
Maximum Junction Temperature . . . . . . . . . . . . . .+150°C
TQFP JA Thermal Impedance . . . . . . . . . . . . . . . 75°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . .+215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . +220°C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 4500 V




Description

This DDS device AD9831 is a numerically controlled oscillator employ-ing a phase accumulator, a sine look-up table and a 10-bit D/A converter integrated on a single CMOS chip. Modulation
capabilities are provided for phase modulation and frequency modulation.

Clock rates up to 25 MHz are supported. Frequency accuracy can be controlled to one part in 4 billion. Modulation is effected by loading registers through the parallel microprocessor
interface.

A powerdown pin allows external control of a powerdown mode. The part is available in a 48-pin TQFP package.






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