AD5932YRUZ Analog Devices Inc, AD5932YRUZ Datasheet
AD5932YRUZ
Specifications of AD5932YRUZ
Available stocks
Related parts for AD5932YRUZ
AD5932YRUZ Summary of contents
Page 1
FEATURES Programmable frequency profile No external components necessary Output frequency MHz Burst-and-listen capability Preprogrammable frequency profile minimizes number of DSP/microcontroller writes Sinusoidal/triangular/square wave outputs Automatic or single pin control of frequency stepping Power-down mode: 20 μA Power ...
Page 2
AD5932 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 4 Specifications Test Circuit ........................................................... 5 Timing Specifications .................................................................. 6 Master Clock and Timing Diagrams ......................................... 6 ...
Page 3
GENERAL DESCRIPTION (continued from Page 1) To program the AD5932, the user enters the start frequency, the increment step size, the number of increments to be made, and the time interval that the part outputs each frequency. The fre- quency ...
Page 4
AD5932 SPECIFICATIONS AVDD = DVDD = 2 5.5 V; AGND = DGND = Table 1. Parameter SIGNAL DAC SPECIFICATIONS Resolution Update Rate VOUT Peak-to-Peak VOUT Offset V MIDSCALE VOUT TC DC Accuracy Integral Nonlinearity (INL) ...
Page 5
Parameter Low Power Sleep Mode 1 Operating temperature range is as follows: Y version: −40°C to +125°C; typical specifications are at +25°C. 2 Guaranteed by design, not production tested. SPECIFICATIONS TEST CIRCUIT 100nF 1 Y Grade Min Typ Max Unit ...
Page 6
AD5932 TIMING SPECIFICATIONS All input signals are specified with Figure 6). DVDD = 2 5.5 V; AGND = DGND = 0 V; all specifications T Table 2. 1 Parameter Limit ...
Page 7
MCLK CTRL t 11 VOUT t Figure 5. CTRL Timing CTRL t 13 VOUT SYNCOUT (Each Frequency Increment) SYNCOUT (End of Scan) Figure 6. SYNCOUT Timing Rev Page ...
Page 8
AD5932 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 3. Parameter AVDD to AGND DVDD to DGND AGND to DGND CAP/2 DGND Digital I/O Voltage to DGND Analog I/O Voltage to AGND Operating Temperature Range ...
Page 9
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description 1 COMP DAC Bias Pin. This pin is used for decoupling the DAC bias voltage to AVDD. 2 AVDD Positive Power Supply for the Analog Section. ...
Page 10
AD5932 TYPICAL PERFORMANCE CHARACTERISTICS 25°C A AVDD = 5V 8 MSBOUT, SYNCOUT ENABLED DVDD = 5V DVDD = 3V MCLK FREQUENCY ...
Page 11
T = 25°C A AVDD = DVDD = FMCLK/4096 65 OUT 10M 20M 30M MCLK FREQUENCY (MHz) Figure 14. SNR vs. MCLK Frequency 1.25 AVDD = DVDD = 5V 1.23 ...
Page 12
AD5932 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 –110 –120 –130 –140 –150 –160 –170 100 1k FREQUENCY Figure 20. Output Phase Noise 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 0 RWB ...
Page 13
RWB 1K VWB 300 FREQUENCY (Hz) Figure 26 MHz 1.2 MHz, MCLK OUT Frequency Word = 0624DD3 0 –10 –20 –30 –40 –50 ...
Page 14
AD5932 TERMINOLOGY Integral Nonlinearity (INL) Integral nonlinearity 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 and full scale. The error ...
Page 15
THEORY OF OPERATION The AD5932 is a general-purpose, synthesized waveform generator capable of providing digitally programmable waveform sequences in both the frequency and time domain. The device contains embedded digital processing to provide a scan of a user-programmable frequency profile ...
Page 16
AD5932 PROGRAMMING THE AD5932 The AD5932 is designed to provide automatic frequency scans when the CTRL pin is triggered. The scan is controlled by a set of registers, the addresses of which are given in Table 5. The function of ...
Page 17
SETTING UP THE FREQUENCY SCAN As stated in the Frequency Profile section, the AD5932 requires certain registers to be programmed to enable a frequency scan. The Setting Up the Frequency Scan section discusses these registers in more detail. Start Frequency ...
Page 18
AD5932 Therefore, in this example, a time interval × 2047 = 40 μs is the maximum, with the minimum being 40 ns. For some applications, this maximum time of 40 μs may be insufficient. Therefore, to allow ...
Page 19
OUTPUTS FROM THE AD5932 The AD5932 offers a variety of outputs from the chip. The analog outputs are available from the VOUT pin and include a sine wave and a triangle output. The digital outputs are available from the MSBOUT ...
Page 20
AD5932 APPLICATIONS GROUNDING AND LAYOUT The printed circuit board that houses the AD5932 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 ...
Page 21
AD5932 TO 68HC11/68L11 INTERFACE Figure 35 shows the serial interface between the AD5932 and the 68HC11/68L11 microcontroller. The microcontroller is configured as the master by setting Bit MSTR in the SPCR to 1, which provides a serial clock on SCK ...
Page 22
AD5932 EVALUATION BOARD The AD5932 evaluation board allows designers to evaluate the high performance AD5932 DDS modulator with minimum effort. The evaluation board interfaces to the USB port possible to power the entire board from ...
Page 23
SCHEMATICS Figure 38. Page 1 of EVAL-AD5932EB Schematic Rev Page AD5932 ...
Page 24
AD5932 Figure 39. Page 2 of EVAL-AD5932EB Schematic Rev Page ...
Page 25
... OUTLINE DIMENSIONS ORDERING GUIDE Model Temperature Range 1 AD5932YRUZ −40°C to +125°C 1 AD5932YRUZ-REEL7 −40°C to +125°C EVAL-AD5932EB Pb-free part. 0.201 (5.10) 0.193 (4.90 PIN 1 0.006 (0.15) 0.002 (0.05) 0.0433 (1.10) MAX 0.0256 0.0118 (0.30) SEATING 0.0079 (0.20) (0.65) 0.0075 (0.19) PLANE 0 ...
Page 26
AD5932 NOTES Rev Page ...
Page 27
NOTES Rev Page AD5932 ...
Page 28
AD5932 NOTES ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D05416-0-4/06(0) Rev Page ...