AD9834BRU Analog Devices Inc, AD9834BRU Datasheet - Page 2

• Manufacturer Part Number: AD9834BRU
• Description: 10 Bit, 20 Pin DDS I.C.
• Manufacturer: Analog Devices Inc

Specifications of AD9834BRU

• Rohs Status: RoHS non-compliant
• Design Resources: Amplitude Control Circuit for AD9834 Waveform Generator (CN0156)
• Resolution (bits): 10 b
• Master Fclk: 50MHz
• Tuning Word Width (bits): 28 b
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: EVAL-AD9834EBZ - BOARD EVAL FOR AD9834
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD9834
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
Specifications..................................................................................... 4
Absolute Maximum Ratings............................................................ 7
Pin Configuration and Function Descriptions............................. 8
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 14
Theory of Operation ...................................................................... 15
Circuit Description......................................................................... 16
Functional Description .................................................................. 18
Timing Characteristics ................................................................ 6
ESD Caution.................................................................................. 7
Numerically Controlled Oscillator Plus Phase Modulator ... 16
SIN ROM ..................................................................................... 16
Digital-to-Analog Converter (DAC) ....................................... 16
Comparator ................................................................................. 16
Regulator...................................................................................... 17
Output Voltage Compliance...................................................... 17
Serial Interface ............................................................................ 18
Powering Up the AD9834 ......................................................... 18
Latency......................................................................................... 18
Rev. C | Page 2 of 36
Applications Information .............................................................. 23
Grounding and Layout .................................................................. 26
Interfacing to Microprocessors..................................................... 27
Evaluation Board ............................................................................ 29
Outline Dimensions ....................................................................... 35
Control Register ......................................................................... 18
Frequency and Phase Registers ................................................ 20
Writing to a Frequency Register............................................... 21
Writing to a Phase Register....................................................... 21
RESET Function ......................................................................... 21
SLEEP Function.......................................................................... 21
SIGN BIT OUT Pin.................................................................... 22
The IOUT and IOUTB Pins...................................................... 22
AD9834 to ADSP-21xx Interface ............................................. 27
AD9834 to 68HC11/68L11 Interface....................................... 27
AD9834 to 80C51/80L51 Interface .......................................... 28
AD9834 to DSP56002 Interface ............................................... 28
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
Ordering Guide .......................................................................... 35