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| 型号： | AD9549A/PCBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 23/76页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD9549A |
| 设计资源： | AD9549 Schematics AD9549 Gerber Files |
| 标准包装： | 1 |
| 主要目的： | 计时，时钟发生器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | AD9549A |
| 主要属性： | 8 kHz ~ 750 MHz 输入 |
| 次要属性： | 差分输出 |
| 已供物品： | 板 |
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AD9549
Rev. D | Page 3 of 76
REVISION HISTORY
1
2/10—Rev. C to Rev. D
Changes to IAVDD (Pin 19, Pin 23 to Pin 26, Pin 29, Pin 30,
Pin44, Pin 45) Parameter .................................................................4
Changes to Total Power Dissipation Parameter and Added
Endnote 4 ...........................................................................................5
Changes to Pin 59 Description......................................................11
Changes to Direct Digital Synthesizer (DDS) Section ...............20
Changes to Power-Up Section .......................................................42
Changes to Address 0x0002 Default Value (in Table 13) ...........48
Changes to Address 0x0400 and Address 0x40E Default Values
(in Table 13) .....................................................................................52
5/10—Rev. B to Rev. C
Deleted 64-Lead LFCSP (CP-64-1).................................. Universal
Changes to SYSCLK PLL Enabled/Minimum Differential Input
Level Parameter, Table 2 ...................................................................6
Updated Outline Dimensions........................................................74
Changes to Ordering Guide...........................................................74
1/10—Rev. A to Rev. B
Changes to I/O Register Map Section, Introduction and
Table 13.............................................................................................48
Changes to Register 0x0405 to Register 0x0408—Reserved
Section ..............................................................................................70
Added Register 0x0406—Part Version Section...........................71
12/09—Rev. 0 to Rev. A
Added 64-Lead LFCSP (CP-64-7) ................................... Universal
Changes to Total Power Dissipation Parameter............................5
Changes to Serial Port Timing Specifications and
Propagation Delay Parameters ........................................................8
Added Exposed Paddle Notation to Figure 2; Changes to
Table 4...............................................................................................10
Corrected DDS Phase Offset Resolution from 16 Bits to
14 Bits Throughout; Change to Figure 25....................................20
Changes to Phase Lock Detection Section ..................................24
Change to Figure 30........................................................................25
Changes to Loss of Reference and Reference Frequency
Monitor Sections .............................................................................26
Change to Output Frequency Range Control Section ...............32
Change to Figure 46........................................................................36
Changes to Frequency Estimator Section ....................................37
Changes to Programming Sequence Section ..............................42
Changes to Power Supply Partitioning Section...........................43
Change to Serial Control Port Section .........................................44
Changes to Figure 54 ......................................................................46
Added Exposed Paddle Notation to Outline Dimensions and
Changes to Ordering Guide...........................................................74
8/07—Revision 0: Initial Version
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