EVAL-AD9834SDZ Analog Devices Inc, EVAL-AD9834SDZ Datasheet
EVAL-AD9834SDZ
Specifications of EVAL-AD9834SDZ
Related parts for EVAL-AD9834SDZ
EVAL-AD9834SDZ Summary of contents
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FEATURES Narrow-band SFDR > 5.5 V power supply Output frequency up to 37.5 MHz Sine output/triangular output On-board comparator 3-wire SPI® interface Extended temperature range: −40°C to +105°C Power-down option 20 mW power consumption at 3 ...
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... Grounding and Layout .................................................................. 26 Interfacing to Microprocessors..................................................... 27 AD9834 to ADSP-21xx Interface ............................................. 27 AD9834 to 68HC11/68L11 Interface....................................... 27 AD9834 to 80C51/80L51 Interface .......................................... 28 AD9834 to DSP56002 Interface ............................................... 28 Evaluation Board ............................................................................ 29 System Development Platform................................................. 29 AD9834 to SPORT Interface..................................................... 29 XO vs. External Clock................................................................ 29 Power Supply............................................................................... 29 Evaluation Board Schematics ................................................... 30 Evaluation Board Layout........................................................... 32 Outline Dimensions ....................................................................... 35 Ordering Guide .......................................................................... 35 Rev Page ...
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... Section ..............................................................................................29 Deleted Bill of Materials, Table 19; Renumbered Sequentially ..............................................................30 Added Evaluation Board Schematics Section and Figure 41 ....30 Added Figure 42 ..............................................................................31 Added Evaluation Board Layout Section and Figure 43 ............32 Added Figure 44 ..............................................................................33 Added Figure 45 ..............................................................................34 Changes to Ordering Guide...........................................................35 4/10—Rev Rev. B Changes to Comparator Section ...................................................15 Added Figure 28 ...
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SPECIFICATIONS VDD = 2 5.5 V, AGND = DGND = Table 1. Parameter 2 SIGNAL DAC SPECIFICATIONS Resolution Update Rate 3 I Full Scale OUT V Max OUT V Min OUT 4 Output Compliance DC ...
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Parameter POWER SUPPLIES AVDD DVDD Grade C Grade Grade C Grade Low Power Sleep Mode B Grade C Grade 1 B grade: MCLK = 50 ...
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AD9834 TIMING CHARACTERISTICS DVDD = 2 5.5 V, AGND = DGND = 0 V, unless otherwise noted. Table 2. 1 Parameter Limit MIN MAX t 20/13 ...
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ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 3. Parameter AVDD to AGND DVDD to DGND AVDD to DVDD AGND to DGND CAP/2.5V Digital I/O Voltage to DGND Analog I/O Voltage to AGND Operating Temperature Range Industrial ...
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AD9834 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description ANALOG SIGNAL AND REFERENCE 1 FS ADJUST Full-Scale Adjust Control. A resistor (R of the full-scale DAC current. The relationship between R IOUT FULL SCALE ...
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Pin No. Mnemonic Description 13 SDATA Serial Data Input. The 16-bit serial data-word is applied to this input. 14 SCLK Serial Clock Input. Data is clocked into the AD9834 on each falling SCLK edge. 15 FSYNC Active Low Control Input. ...
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AD9834 TYPICAL PERFORMANCE CHARACTERISTICS 4 25°C A 3.5 3.0 2.5 5V 2.0 1.5 1.0 0 MCLK FREQUENCY (MHz) Figure 7. Typical Current Consumption (I 4 25°C A 3.5 3.0 2.5 2.0 ...
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TEMPERATURE (°C) Figure 13. 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 14. ...
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AD9834 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 0 RWB 1k VWB 300 FREQUENCY (Hz) Figure 19 MHz 1.43 MHz = f MCLK OUT Frequency Word = 2492492 0 –10 –20 ...
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RWB 1k VWB 300 FREQUENCY (Hz) Figure 25 MHz 7.143 MHz = f MCLK OUT Frequency Word = 2492492 0 –10 –20 –30 ...
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AD9834 TERMINOLOGY Integral Nonlinearity (INL) INL 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 ...
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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 ...
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AD9834 CIRCUIT DESCRIPTION The AD9834 is a fully integrated direct digital synthesis (DDS) chip. The chip requires one reference clock, one low precision resistor, and eight decoupling capacitors to provide digitally created sine waves up to 37.5 MHz. In addition ...
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The AD9834 is a sampled signal with its output following Nyquist sampling theorem. Specifically, its output spectrum contains the fundamental plus aliased signals (images) that occur at multiples of the reference clock frequency and the selected output frequency. A graphical ...
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AD9834 FUNCTIONAL DESCRIPTION SERIAL INTERFACE The AD9834 has a standard 3-wire serial interface that is com- patible with SPI, QSPI™, MICROWIRE™, and DSP interface standards. Data is loaded into the device as a 16-bit word under the control of a ...
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SLEEP12 SLEEP1 PHASE ACCUMULATOR (28-BIT) MODE + OPBITEN SIGN/PIB OPBITEN DB15 DB14 DB13 DB12 DB11 0 0 B28 HLB FSEL Table 6. Description of Bits in the Control Register Bit Name Description DB13 B28 Two write operations are required to ...
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AD9834 Bit Name Description DB5 OPBITEN The function of this bit is to control whether there is an output at the SIGN BIT OUT pin. This bit should remain the user is not using the SIGN BIT ...
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WRITING TO A FREQUENCY REGISTER When writing to a frequency register, Bit DB15 and Bit DB14 give the address of the frequency register. Table 10. Frequency Register Bits DB15 DB14 DB13 . . . DB0 FREQ0 REG ...
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AD9834 Table 16. Applying the SLEEP Function SLEEP SLEEP1 SLEEP12 PIN/SW Pin Bit Bit Bit DAC ...
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APPLICATIONS INFORMATION Because of the various output options available from the part, the AD9834 can be configured to suit a wide variety of applications. One of the areas where the AD9834 is suitable is in modulation applications. The part can ...
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AD9834 USING CONTROL BIT (CONTROL REGISTER WRITE) USING CONTROL BIT (CONTROL REGISTER WRITE) RESET BIT = 0 FSEL = SELECTED FREQUENCY REGISTER PSEL = SELECTED PHASE REGISTER PIN/ DATA WRITE WRITE A FULL 28-BIT WORD TO A FREQUENCY ...
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SELECT DATA SOURCES YES SET FSELECT FSELECT AND PSELECT AND PSELECT PINS BEING USED? NO (CONTROL REGISTER WRITE) PIN/ (CONTROL REGISTER WRITE) SET FSEL BIT SET PSEL BIT Figure 34. Selecting Data Sources Rev Page 25 ...
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AD9834 GROUNDING AND LAYOUT The printed circuit board (PCB) that houses the AD9834 should be designed so that the analog and digital sections are separated and confined to certain areas of the board. This facilitates the use of ground planes ...
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INTERFACING TO MICROPROCESSORS The AD9834 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 have ...
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AD9834 AD9834 TO 80C51/80L51 INTERFACE Figure 37 shows the serial interface between the AD9834 and the 80C51/80L51 microcontroller. The microcontroller is operated in Mode 0 so that TXD of the 80C51/80L51 drives SCLK of the AD9834, and RXD drives the ...
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... The system development platform (SDP hardware and software evaluation tool for use in conjunction with product evaluation boards. The SDP board is based on the Black fin ® BF527 processor with USB connectivity to the PC through a USB 2.0 high speed port. For more information about this device, go to: www ...
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... AD9834 EVALUATION BOARD SCHEMATICS Figure 41. AD9834 Evaluation Board Schematic, Part A Rev Page 02705-043 ...
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... Figure 42. AD9834 Evaluation Board Schematic, Part B—J1 Header Connector Rev Page AD9834 02705-044 ...
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... AD9834 EVALUATION BOARD LAYOUT Figure 43. AD9834 Evaluation Board Component Side Rev Page ...
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... Figure 44. AD9834 Evaluation Board Silkscreen Rev Page AD9834 ...
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... AD9834 Figure 45. AD9834 Evaluation Board Solder Side Rev Page ...
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... Maximum MCLK (MHz) AD9834BRU 50 AD9834BRU-REEL 50 AD9834BRU-REEL7 50 AD9834BRUZ 50 AD9834BRUZ-REEL 50 AD9834BRUZ-REEL7 50 AD9834CRUZ 75 AD9834CRUZ-REEL7 75 EVAL-AD9834SDZ RoHS Compliant Part. 2 For the EVAL-AD9834SDZ, a SDP board is required. 6.60 6.50 6. 4.50 4.40 4.30 6.40 BSC 1 10 PIN 1 0.65 BSC 1.20 MAX 0.15 0.20 0.05 0.09 0.30 0.19 SEATING ...
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AD9834 NOTES ©2003–2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D02705-0-2/11(C) Rev Page ...