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MFG:ADI D/C:09
Part Number: AD9831
MFG: ADI
D/C: 09
Description: This DDS device is a numerically controlled oscillator employ-ing a phase accumulator, a sine look-up table and a 10...
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AD9831
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DataSheet
General Description
AD9831 General Description
This DDS device 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.
AD9831 Maximum Ratings
(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
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
AD9831 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
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
AD9831 Typical Application
DDS Tuning
Digital Demodulation
Digital Demodulation
AD9831 Connection Diagram
AD9831
PDF/DataSheet Download
- Datasheet: AD9831
- File Size: 176245 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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