参数资料
型号: AD9522-0/PCBZ
厂商: Analog Devices Inc
文件页数: 9/84页
文件大小: 0K
描述: BOARD EVAL FOR AD9522-0 CLK GEN
设计资源: AD9522 Eval Board Schematic
AD9522 BOM
标准包装: 1
主要目的: 计时,时钟发生器
嵌入式:
已用 IC / 零件: AD9522-0
主要属性: 12 LVDS/24 CMOS 输出,2.8 GHz VCO
次要属性: I²C & SPI 接口
已供物品:
AD9522-0
Rev. 0 | Page 17 of 84
NOTES
1. EXPOSED DIE PAD MUST BE CONNECTED TO GND.
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
PIN 1
INDICATOR
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
S
D
IO/S
D
A
SD
O
GN
D
SP
1
SP
0
EEP
R
O
M
R
ESE
T
PD
T9
(
O
U
T
9A
)
T9
(
O
U
T
9B
)
VS
O
UT
10
A)
O
UT
10
B)
O
UT
11
A)
O
UT
11
B)
VS
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
RE
F
IN
(
R
E
F
1)
RE
F
IN
(
R
E
F
2)
CP
RS
E
T
VS
GN
D
RS
E
T
VS
OU
T
0(
O
U
T
0A
)
OU
T
0(
O
U
T
0B
)
VS
OU
T
1(
O
U
T
1A
)
OU
T
1(
O
U
T
1B
)
OU
T
2(
O
U
T
2A
)
OU
T
2(
O
U
T
2B
)
VS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VS
REFMON
LD
VCP
CP
STATUS
REF_SEL
SYNC
LF
BYPASS
VS
CLK
CS
OU
O
U
T
10
(
O
U
T
10
(
O
U
T
11
(
O
U
T
11
(
SCLK/SCL
OUT3 (OUT3A)
OUT3 (OUT3B)
VS
OUT4 (OUT4A)
OUT4 (OUT4B)
OUT5 (OUT5A)
OUT5 (OUT5B)
VS
OUT8 (OUT8B)
OUT8 (OUT8A)
OUT7 (OUT7B)
OUT7 (OUT7A)
VS
OUT6 (OUT6B)
OUT6 (OUT6A)
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
AD9522
TOP VIEW
(Not to Scale)
07
21
9-
0
03
Figure 5. Pin Configuration
Table 21. Pin Function Descriptions
Pin No.
Input/
Output
Pin
Type
Mnemonic
Description
1, 11, 12, 27,
32, 35, 40,
41, 46, 49,
54, 57, 60, 61
I
Power
VS
3.3 V Power Pins.
2
O
3.3 V CMOS
REFMON
Reference Monitor (Output). This pin has multiple selectable outputs.
3
O
3.3 V CMOS
LD
Lock Detect (Output). This pin has multiple selectable outputs.
4
I
Power
VCP
Power Supply for Charge Pump (CP); VS < VCP < 5.0 V. VCP must still be connected
to 3.3 V if the PLL is not used.
5
O
Loop filter
CP
Charge Pump (Output). This pin connects to an external loop filter. This pin can
be left unconnected if the PLL is not used.
6
O
3.3 V CMOS
STATUS
Programmable Status Output.
7
I
3.3 V CMOS
REF_SEL
Reference Select. It selects REF1 (low) or REF2 (high). This pin has an internal
30 kΩ pull-down resistor.
8
I
3.3 V CMOS
SYNC
Manual Synchronizations and Manual Holdover. This pin initiates a manual
synchronization and is used for manual holdover. Active low. This pin has an
internal 30 kΩ pull-up resistor.
9
I
Loop filter
LF
Loop Filter (Input). It connects internally to the VCO control voltage node.
10
O
Loop filter
BYPASS
This pin is for bypassing the LDO to ground with a 220 nF capacitor.
This pin can be left unconnected if the PLL is not used.
Along with CLK, this pin is the differential input for the clock distribution section.
13
I
Differential
clock input
CLK
14
I
Differential
clock input
CLK
Along with CLK, this pin is the differential input for the clock distribution section. If a
single-ended input is connected to the CLK pin, connect a 0.1 μF bypass capacitor
from this pin to ground.
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