AD9833BRMZ Analog Devices Inc, AD9833BRMZ Datasheet
AD9833BRMZ
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AD9833BRMZ Summary of contents
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FEATURES Digitally programmable frequency and phase 12.65 mW power consumption MHz to 12.5 MHz output frequency range 28-bit resolution (0 MHz ref clock) Sinusoidal/triangular/square wave outputs 2 5.5 V power supply ...
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AD9833 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Timing Characteristics ................................................................ 4 Absolute Maximum Ratings ............................................................ 5 ESD Caution .................................................................................. 5 Pin ...
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SPECIFICATIONS VDD = 2 5.5 V, AGND = DGND = Table 1. 1 Parameter SIGNAL DAC SPECIFICATIONS Resolution Update Rate VOUT Maximum VOUT Minimum VOUT Temperature Coefficient DC Accuracy Integral Nonlinearity Differential Nonlinearity DDS SPECIFICATIONS ...
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AD9833 TIMING CHARACTERISTICS VDD = 2 5.5 V, AGND = DGND = 0 V, unless otherwise noted. Table 2. Parameter Limit MIN MAX ...
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ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 3. Parameter VDD to AGND VDD to DGND AGND to DGND CAP/2.5 V Digital I/O Voltage to DGND Analog I/O Voltage to AGND Operating Temperature Range Industrial (B Version) ...
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AD9833 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description 1 COMP A DAC Bias Pin. This pin is used for decoupling the DAC bias voltage. 2 VDD Positive Power Supply for the Analog and ...
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TYPICAL PERFORMANCE CHARACTERISTICS 5 25°C A 5.0 5V 4.5 3V 4.0 3.5 3 MCLK (MHz) Figure 6. Typical Current Consumption vs. MCLK Frequency for 100 1k ...
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AD9833 1000 950 900 850 800 750 5.5V 700 650 600 550 500 –40 25 TEMPERATURE (°C) Figure 12. Wake-Up Time vs. Temperature 1.250 1.225 UPPER RANGE 1.200 1.175 LOWER RANGE 1.150 1.125 1.100 –40 25 TEMPERATURE (°C) Figure 13. ...
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RWB 300 VWB 100 FREQUENCY (Hz) Figure 18 MHz kHz, Frequency Word = 0x009D495 MCLK OUT 0 –10 –20 –30 –40 –50 ...
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AD9833 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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THEORY OF OPERATION Sine waves are typically thought of in terms of their magnitude form a(t) = sin(ωt). However, these are nonlinear and not easy to generate except through piecewise construction. On the other hand, the angular information is linear ...
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AD9833 CIRCUIT DESCRIPTION The AD9833 is a fully integrated direct digital synthesis (DDS) chip. The chip requires one reference clock, one low precision resistor, and decoupling capacitors to provide digitally created sine waves up to 12.5 MHz. In addition to ...
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FUNCTIONAL DESCRIPTION SERIAL INTERFACE The AD9833 has a standard 3-wire serial interface that is compatible with SPI®, QSPI™, MICROWIRE™, and DSP interface standards. Data is loaded into the device as a 16-bit word under the control of a serial clock ...
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AD9833 Table 6. Description of Bits in the Control Register Bit Name Function D13 B28 Two write operations are required to load a complete word into either of the frequency registers. B28 = 1 allows a complete word to be ...
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FREQUENCY AND PHASE REGISTERS The AD9833 contains two frequency registers and two phase registers, which are described in Table 7. Table 7. Frequency/Phase Registers Register Size Description FREQ0 28 bits Frequency Register 0. When the FSELECT bit = 0, this ...
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AD9833 RESET FUNCTION The reset function resets appropriate internal registers provide an analog output of midscale. Reset does not reset the phase, frequency, or control registers. When the AD9833 is powered up, the part should be reset. ...
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APPLICATIONS INFORMATION Because of the various output options available from the part, the AD9833 can be configured to suit a wide variety of applications. One of the areas where the AD9833 is suitable is in modulation applications. The part can ...
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AD9833 OUT YES CHANGE FSELECT? YES CHANGE FREQUENCY REGISTER? CONTROL REGISTER WRITE (SEE TABLE 15) DATA WRITE (SEE FIGURE 28) SELECT DATA SOURCES WAIT 8/9 MCLK CYCLES DAC OUTPUT × (SIN (2π (FREQREG × × ...
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DATA WRITE WRITE A FULL 28-BIT WORD FREQUENCY REGISTER FREQUENCY REGISTER? YES (CONTROL REGISTER WRITE) (CONTROL REGISTER WRITE) B28 (D13 WRITE TWO CONSECUTIVE 16-BIT WORDS (SEE TABLE 10 AND TABLE 11 (SEE ...
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AD9833 INTERFACING TO MICROPROCESSORS The AD9833 has a standard serial interface that allows the part to interface directly with several microprocessors. The device uses an external serial clock to write the data/control information into the device. The serial clock can ...
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AD9833 TO 80C51/80L51 INTERFACE Figure 31 shows the serial interface between the AD9833 and the 80C51/80L51 microcontroller. The microcontroller is operated in Mode 0 so that TxD of the 80C51/80L51 drives SCLK of the AD9833, while RxD drives the serial ...
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AD9833 AD9833 EVALUATION BOARD The AD9833 evaluation board allows designers to evaluate the high performance AD9833 DDS modulator with a minimum of effort. To prove that this device meets the waveform synthesis requirements of users, they only require a power ...
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Table 16. Bill of Materials Component C1 C5, C6, C7, C9 C8, C10, C11 R1 LK1, LK2 MCLK, VOUT J1 J2, J3 Description AD9833BRU 74HCT244 OSC XTAL 25 MHz 0.1 µF ceramic capacitors, 0805 ...
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... AD9833BRM-REEL −40°C to +105°C AD9833BRM-REEL7 −40°C to +105°C AD9833BRMZ −40°C to +105°C AD9833BRMZ-REEL −40°C to +105°C AD9833BRMZ-REEL7 −40°C to +105°C AD9833WBRMZ-REEL −40°C to +105°C EVAL-AD9833EBZ RoHS Compliant Part Qualified for Automotive Applications. ...