參數(shù)資料
型號: AD9522-1/PCBZ
廠商: Analog Devices Inc
文件頁數(shù): 42/84頁
文件大小: 0K
描述: BOARD EVAL FOR AD9522-1 CLK GEN
設(shè)計資源: AD9522 Eval Board Schematic
AD9522 BOM
標準包裝: 1
主要目的: 計時,時鐘發(fā)生器
嵌入式:
已用 IC / 零件: AD9522-1
主要屬性: 12 LVDS/24 CMOS 輸出,2.4 GHz VCO
次要屬性: I²C & SPI 接口
已供物品:
AD9522-1
Rev. 0 | Page 47 of 84
12
3
4
5
6
7
8
910
INPUT TO VCO DIVIDER
INPUT TO CHANNEL DIVIDER
OUTPUT OF
CHANNEL DIVIDER
SYNC PIN
1
11
12
13
14
14 TO 15 CYCLES AT CHANNEL DIVIDER INPUT + 1 CYCLE AT VCO DIVIDER INPUT
CHANNEL DIVIDER OUTPUT STATIC
CHANNEL DIVIDER
OUTPUT CLOCKING
CHANNEL DIVIDER
OUTPUT CLOCKING
07
22
0-
0
73
Figure 52. SYNC Timing Pipeline Delay When the VCO Divider Is Used—CLK or VCO Is Input
INPUT TO CLK
INPUT TO CHANNEL DIVIDER
OUTPUT OF
CHANNEL DIVIDER
SYNC PIN
14 TO 15 CYCLES AT CHANNEL DIVIDER INPUT + 1 CYCLE AT CLK INPUT
12
3
4
5
6
7
8
910
11
12
13
14
1
CHANNEL DIVIDER OUTPUT STATIC
CHANNEL DIVIDER
OUTPUT CLOCKING
CHANNEL DIVIDER
OUTPUT CLOCKING
0
72
20
-07
4
Figure 53. SYNC Timing Pipeline Delay When the VCO Divider Is Not Used—CLK Input Only
LVDS Output Drivers
The AD9522 output drivers can be configured as either an
LVDS differential output or as a pair of CMOS single-ended
outputs. The LVDS outputs allow for selectable output current
from ~1.75 mA to ~7 mA.
The LVDS output polarity can be set as noninverting or
inverting, which allows for the adjustment of the relative
polarity of outputs within an application without requiring a
board layout change. Each LVDS output can be individually
powered down to save power.
OUT
3.5mA
07
22
0-
1
34
Figure 54. LVDS Output Simplified Equivalent Circuit with
3.5 mA Typical Current Source
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