參數(shù)資料
型號: AD9484-500EBZ
廠商: Analog Devices Inc
文件頁數(shù): 23/24頁
文件大小: 0K
描述: BOARD EVAL W/AD9484BCPZ-500
設計資源: AD9434 Eval Brd Schematic
標準包裝: 1
ADC 的數(shù)量: 1
位數(shù): 8
采樣率(每秒): 500M
數(shù)據(jù)接口: 串行,SPI?
輸入范圍: 1.5 Vpp
在以下條件下的電源(標準): 670mW @ 500MSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD9484
已供物品:
AD9484
Rev. A | Page 8 of 24
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
PIN 1
INDICATOR
1
DNC
2
DNC
3
D0–
4
D0+
5
D1–
6
D1+
7
DRVDD
8
DRGND
9
D2–
10
D2+
11
D3–
12
D3+
13
D4–
14
D4+
35 VIN+
36 VIN–
37 AVDD
38 AVDD
39 AVDD
40 CML
41 AVDD
42 AVDD
34 AVDD
33 AVDD
32 AVDD
31 VREF
30 AVDD
29 PWDN
15
D
5–
16
D
5+
17
D
6–
19
D
7–
21
O
R
20
D
7+
22
O
R
+
23
D
R
G
N
D
24
D
R
V
D
25
S
D
IO
26
S
C
L
K
/D
F
S
27
C
S
B
28
D
N
C
18
D
6+
45
C
L
K
46
A
V
D
47
D
R
V
D
48
D
R
G
N
D
49
D
C
O
50
D
C
O
+
51
D
N
C
52
D
N
C
53
D
N
C
54
D
N
C
44
C
L
K
+
43
A
V
D
TOP VIEW
(Not to Scale)
PIN 0 (EXPOSED PADDLE) = AGND
AD9484
55
D
N
C
56
D
N
C
NOTES
1. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN.
2. AGND AND DRGND SHOULD BE TIED TO A COMMON
QUIET GROUND PLANE.
3. THE EXPOSED PADDLE MUST BE SOLDERED TO
A GROUND PLANE.
09
615
-00
3
Figure 3. Pin Configuration
Table 7. Pin Function Descriptions
Pin No.
Mnemonic
Description
0
AGND1
Analog Ground. The exposed paddle must be soldered to a ground plane.
30, 32 to 34, 37 to 39,
41 to 43, 46
AVDD
1.8 V Analog Supply.
7, 24, 47
DRVDD
1.8 V Digital Output Supply.
8, 23, 48
Digital Output Ground.
35
VIN+
Analog Input—True.
36
VIN
Analog Input—Complement.
40
CML
Common-Mode Output. Enabled through the SPI, this pin provides a reference for the
optimized internal bias voltage for VIN+/VIN.
44
CLK+
Clock Input—True.
45
CLK
Clock Input—Complement.
31
VREF
Voltage Reference Internal/Input/Output. Nominally 0.75 V.
1, 2, 28, 51 to 56
DNC
Do Not Connect. Do not connect to this pin. This pin should be left floating.
25
SDIO
Serial Port Interface (SPI) Data Input/Output.
26
SCLK/DFS
Serial Port Interface Clock (Serial Port Mode)/Data Format Select (External Pin Mode).
27
CSB
Serial Port Chip Select (Active Low).
29
PWDN
Chip Power-Down.
49
DCO
Data Clock Output—Complement.
50
DCO+
Data Clock Output—True.
3
D0
D0 Complement Output (LSB).
4
D0+
D0 True Output (LSB).
5
D1
D1 Complement Output.
6
D1+
D1 True Output.
9
D2
D2 Complement Output.
10
D2+
D2 True Output.
11
D3
D3 Complement Output.
12
D3+
D3 True Output.
13
D4
D4 Complement Output.
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