AD9835BRU-REEL7 Analog Devices Inc, AD9835BRU-REEL7 Datasheet
AD9835BRU-REEL7
Specifications of AD9835BRU-REEL7
Related parts for AD9835BRU-REEL7
AD9835BRU-REEL7 Summary of contents
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FEATURES 5 V Power Supply 50 MHz Speed On-Chip COS Look-Up Table On-Chip 10-Bit DAC Serial Loading Power-Down Option 200 mW Power Consumption 16-Lead TSSOP APPLICATIONS DDS Tuning Digital Demodulation FSELECT MCLK BIT FSELECT FREQ0 REG FREQ1 REG 16-BIT ...
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AD9835–SPECIFICATIONS Parameter SIGNAL DAC SPECIFICATIONS Resolution Update Rate (f ) MAX IOUT Full Scale 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) Narrow Band ( ...
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TIMING CHARACTERISTICS Limit MIN MAX Parameter (B Version SCLK – ...
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... Exposure to absolute maximum rating condi- tions for extended periods may affect device reliability. ORDERING GUIDE Temperature Package Model Range Description AD9835BRU – +85 C 16-Lead TSSOP RU-16 *RU = Thin Shrink Small Outline Package (TSSOP). PIN CONFIGURATION FS ADJUST 1 REFIN 2 ...
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Pin # Mnemonic Function ANALOG SIGNAL AND REFERENCE 1 FS ADJUST Full-Scale Adjust Control. A resistor (R the magnitude of the full-scale DAC current. The relationship between R as follows: 2 REFIN Voltage Reference Input. The AD9835 can be used ...
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AD9835 Table I. Control Registers Register Size Description FREQ0 REG 32 Bits Frequency Register 0. This de- fines the output frequency, when FSELECT = fraction of the MCLK frequency. FREQ1 REG 32 Bits Frequency Register 1. This ...
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AD9835 –20 AVDD = DVDD = +5V –30 –40 50MHz –50 30MHz –60 –70 10MHz –80 0.044 0.084 0.124 0.164 0.204 0.244 f /f OUT MCLK Figure 9. Wide Band SFDR vs OUT Frequencies 56 f OUT 55 ...
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START RBW 1kHz VBW 3kHz Figure 15 MHz 9.1 MHz. Frequency MCLK OUT Word = 2E978D50 0Hz START RBW 1kHz VBW 3kHz Figure 16 MHz 11.1 MHz. Frequency MCLK ...
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AD9835 CIRCUIT DESCRIPTION The AD9835 provides an exciting new level of integration for the RF/Communications system designer. The AD9835 com- bines the Numerical Controlled Oscillator (NCO), COS Look-Up Table, Frequency and Phase Modulators, and a Digital-to- Analog Converter on a ...
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FSYNC should be taken high again. The SCLK can be con- tinuous or, alternatively, the SCLK can idle high or low be- tween write operations. When writing to a frequency/phase register, the first four bits identify whether a frequency or ...
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AD9835 PHASEREG <3:0> = DELTA PHASE< 3> WAIT 6 MCLK CYCLES (8 MCLK CYCLES IF SYNC = *6.25*R OUT REFIN CHANGE FSELECT Figure 20. Flowchart for AD9835 Initialization and Operation INITIALIZATION* CONTROL REGISTER WRITE ...
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APPLICATIONS The AD9835 contains functions that 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 AD9835. ...
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AD9835 falling clock edges occurring in the transmit cycle. Data is transmitted MSB first. In order to load data into the AD9835, PC7 is held low after the first eight bits are transferred and a second serial write operation is ...
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SCLK 3 SDATA 4 FSYNC SCLK 8 9 SDATA 10 FSYNC PSEL1 10k 10k 10k 17 18 PSEL0 19 20 FSELECT ...
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AD9835 16-Lead Thin Shrink Small Outline Package (TSSOP) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). (RU-16) 0.201 (5.10) 0.193 (4.90 PIN 1 0.006 (0.15) 0.0433 0.002 (0.05) (1.10) MAX 8° 0.0256 0.0118 (0.30) 0° SEATING ...