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AD9858
Rev. C | Page 2 of 32
TABLE OF CONTENTS
REVISION HISTORY
2/09—Rev. B to Rev. C
Changes to Features Section, General Description Section, and
Figure 1 .............................................................................................. 1
Changes to Table 1............................................................................ 3
Changes to Table 2............................................................................ 6
Added Thermal Performance Section ........................................... 6
Changes to Figure 3, Figure 4, and Figure 5.................................. 9
Changes to Figure 9, Figure 10 Caption, Figure 11 Caption,
Figure 13, and Figure 14 ................................................................ 10
Changes to Figure 17...................................................................... 11
Changes to Theory of Operation Section and DAC Output
Section.............................................................................................. 14
Changes to Charge Pump Section................................................ 15
Changes to Modes of Operation Section..................................... 16
Changes to Single-Tone Mode Section and Frequency Sweeping
Mode Section................................................................................... 17
Changes to SYNCLK and FUD Pins Section and Figure 33..... 18
Changes to I/O Port Functionality Section, Parallel
Programming Mode Section, and Figure 35............................... 20
Changes to Figure 36 and Serial Programming
Mode Section................................................................................... 21
Changes to Table 6.......................................................................... 22
Changes to Control Function Register (CFR) Section .............. 23
Changes to CFR[21]: Load Delta Frequency Timer Section .... 24
Changed CFR[14]: Sine/Cosine Select Bit Section to CFR[14]:
Enable Sine Output Bit Section..................................................... 24
Changes to Delta Frequency Tuning Word (DFTW) Section,
Delta Frequency Ramp Rate Word (DFRRW) Section, and
Phase Offset Control Section........................................................ 25
Changes to Profile Selection Section ........................................... 26
Deleted Frequency Tuning Control Section ............................... 27
Changed AD9858 Application Suggestions Section to
Applications Information Section ................................................ 27
Changes to Table 13 ....................................................................... 28
Added Exposed Paddle Notation to Outline Dimensions ........ 29
4/07—Rev. A to Rev. B
Changed EPAD to TQFP_EP............................................Universal
Updated Outline Dimensions....................................................... 31
11/03—Rev. 0 to Rev. A
Changes to Specifications.................................................................5
Moved ESD Caution to .....................................................................6
Moved Pin Configuration to............................................................7
Moved Pin Function Description to ...............................................8
Changes to Equations .................................................................... 19
Changes to Delta Frequency Ramp Rate Word (DFRRW)....... 27
4/03—Revision 0: Initial Version