AD9831AST Analog Devices, AD9831AST Datasheet
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AD9831AST
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AD9831AST Summary of contents
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... FSELECT FREQ0 REG FREQ1 REG REV. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices ...
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AD9831–SPECIFICATIONS Parameter SIGNAL DAC SPECIFICATIONS Resolution Update Rate (f ) MAX I Full Scale OUT Output Compliance DC Accuracy Integral Nonlinearity Differential Nonlinearity 2 DDS SPECIFICATIONS Dynamic Specifications Signal to Noise Ratio Total Harmonic Distortion Spurious Free Dynamic Range (SFDR) ...
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TIMING CHARACTERISTICS Limit MIN MAX Parameter (A Version ...
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... Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ORDERING GUIDE Temperature Model Range AD9831AST – +85 C 48-Pin TQFP ST-48 EVAL-AD9831EB Evaluation Board *ST = Thin Quad Flatpack (TQFP). AGND REFOUT SLEEP ...
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Mnemonic Function POWER SUPPLY AVDD Positive power supply for the analog section. A 0.1 F decoupling capacitor should be connected between AVDD and AGND. AVDD can have a value AGND Analog Ground. DVDD Positive power supply for ...
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AD9831 TERMINOLOGY Integral Nonlinearity This is the maximum deviation of any code from a straight line passing through the endpoints of the transfer function. The endpoints of the transfer function are zero scale, a point 0.5 LSB below the first ...
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+3. MCLK FREQUENCY – MHz Figure 5. Typical Current Consumption vs. MCLK Frequency – 1/3 OUT MCLK AVDD = DVDD = +3.3V –55 ...
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AD9831–Typical Performance Characteristics 10 AVDD = DVDD = +2.97V 7.5 5.0 2.5 0 –40 –30 –20 TEMPERATURE – C Figure 11. Wake-Up Time vs. Temperature 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 START 0Hz RBW 300Hz ...
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START 0Hz RBW 300Hz VBW 1kHz Figure 17 MHz 6.1 MHz, Frequency MCLK OUT Word = 3E76C8B4 0 –10 –20 –30 –40 –50 –60 ...
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AD9831 CIRCUIT DESCRIPTION The AD9831 provides an exciting new level of integration for the RF/Communications system designer. The AD9831 com- bines the Numerical Controlled Oscillator (NCO), SINE Look- Up Table, Frequency and Phase Modulators, and a Digital-to- Analog Converter on ...
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DSP and MPU Interfacing The AD9831 has a parallel interface, with 16 bits of data being loaded during each write cycle. The frequency or phase registers are loaded by asserting the WR signal. The destination register for the 16 bit ...
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AD9831 APPLICATIONS The AD9831 contains functions which make it suitable for modulation applications. The part can be used to perform simple modulation such as FSK. More complex modulation schemes such as GMSK and QPSK can also be implemented using the ...
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AD9831 Evaluation Board The AD9831 Evaluation Board allows designers to evaluate the high performance AD9831 DDS Modulator with a minimum of effort. To prove that this device will meet the user’s waveform synthe- sis requirements, the user only requires a ...
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AD9831 1 LATCH INTERFACE RESET 11 LATCH 12 LOAD 13 14 RESET ...
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REV. A OUTLINE DIMENSIONS Dimensions shown in inches and (mm). Thin Quad Flatpack (TQFP) ST-48 0.063 (1.60) MAX 0.354 (9.00) BSC 0.030 (0.75) 0.057 (1.45) 0.276 (7.0) BSC 0.030 (0.75) 0.018 (0.45) 0.053 (1.35) 0.018 (0.45 SEATING PLANE ...
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