參數(shù)資料
型號(hào): AD9522-5BCPZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 61/76頁
文件大小: 0K
描述: IC CLOCK GEN 2.4GHZ 64LFCSP
標(biāo)準(zhǔn)包裝: 750
類型: 時(shí)鐘發(fā)生器,扇出配送
PLL:
輸入: CMOS,LVDS,LVPECL
輸出: CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 2:12,2:24
差分 - 輸入:輸出: 是/是
頻率 - 最大: 2.4GHz
除法器/乘法器: 是/無
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 64-LFCSP-VQ(9x9)
包裝: 帶卷 (TR)
AD9522-5
Rev. 0 | Page 64 of 76
Reg.
Addr
(Hex) Bit(s) Name
Description
01A
[7]
Enable STATUS
pin divider
Enables a divide-by-4 on the STATUS pin. This makes it easier to look at low duty-cycle signals out of the
R and N dividers.
[7] = 0; divide-by-4 disabled on STATUS pin (default).
[7] = 1; divide-by-4 enabled on STATUS pin.
01A
[6]
Ref freq monitor
threshold
Sets the reference (REF1/REF2) frequency monitor’s detection threshold frequency. This does not affect the CLK
frequency monitor’s detection threshold (see Table 14, REF1, REF2, and CLK frequency status monitor parameter).
[6] = 0; frequency valid if frequency is above 1.02 MHz (default).
[6] = 1; frequency valid if frequency is above 8 kHz.
01A
[5:0]
LD pin
control
Selects the signal that is connected to the LD pin.
[5]
[4]
[3]
[2]
[1]
[0]
Level or
Dynamic
Signal
Signal at LD Pin
0
LVL
Digital lock detect (high = lock; low = unlock, default).
0
1
DYN
P-channel, open-drain lock detect (analog lock detect).
0
1
0
DYN
N-channel, open-drain lock detect (analog lock detect).
0
1
HIZ
Tristate (high-Z) LD pin.
0
1
0
CUR
Current source lock detect (110 μA when DLD is true).
0
X
LVL
Ground (dc); for all other cases of 0XXXXX not specified.
The selections that follow are the same as for REFMON.
1
0
LVL
Ground (dc).
1
0
1
DYN
REF1 clock (differential reference when in differential mode).
1
0
1
0
DYN
REF2 clock (not applicable in differential mode).
1
0
1
DYN
Selected reference to PLL (differential reference when in
differential mode).
1
0
1
0
DYN
Unselected reference to PLL (not available in differential mode).
1
0
1
0
1
LVL
Status of selected reference (status of differential reference);
active high.
1
0
1
0
LVL
Status of unselected reference (not available in differential
mode); active high.
1
0
1
LVL
Status of REF1 frequency (active high).
1
0
1
0
LVL
Status of REF2 frequency (active high).
1
0
1
0
1
LVL
(Status of REF1 frequency) AND (status of REF2 frequency).
1
0
1
0
1
0
LVL
(DLD) AND (status of selected reference) AND (status of CLK).
1
0
1
0
1
LVL
Status of CLK frequency (active high).
1
0
1
0
LVL
Selected reference (low = REF1, high = REF2).
1
0
1
0
1
LVL
DLD; active high.
1
0
1
0
LVL
Holdover active (active high).
1
0
1
LVL
Not applicable, do not use.
1
0
LVL
VS (PLL supply).
1
0
1
DYN
REF1 clock (differential reference when in differential mode).
1
0
1
0
DYN
REF2 clock (not available in differential mode).
1
0
1
DYN
Selected reference to PLL (differential reference when in
differential mode).
1
0
1
0
DYN
Unselected reference to PLL (not available when in differential
mode).
1
0
1
0
1
LVL
Status of selected reference (status of differential reference);
active low.
1
0
1
0
LVL
Status of unselected reference (not available in differential
mode); active low.
1
0
1
LVL
Status of REF1 frequency (active low).
1
0
LVL
Status of REF2 frequency (active low).
1
0
1
LVL
(Status of REF1 frequency) AND (status of REF2 frequency).
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