參數(shù)資料
型號: AD9245BCPZRL7-20
廠商: Analog Devices Inc
文件頁數(shù): 3/32頁
文件大小: 0K
描述: IC ADC 14BIT SGL 20MSPS 32LFCSP
標(biāo)準(zhǔn)包裝: 1,500
位數(shù): 14
采樣率(每秒): 20M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 3
功率耗散(最大): 90mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 32-LFCSP-VQ(5x5)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 2 個單端,單極;1 個差分,單極
Data Sheet
AD9245
Rev. E | Page 11 of 32
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
VREF
SENSE
MODE
OTR
D13 (MSB)
D12
D11
D1
(LSB) D0
PDWN
D3
D2
D
9
D
8
D
7
D
6
D
5
D
4
D
G
N
D
R
V
D
A
V
D
A
G
N
D
V
IN
V
IN
+
A
G
N
D
A
V
D
R
E
F
T
R
E
F
B
DNC
CLK
DNC
D10
NOTES
1. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN.
2. IT IS RECOMMENDED THAT THE EXPOSED PADDLE BE SOLDERED TO THE GROUND PLANE
FOR THE LFCSP PACKAGE. THERE IS AN INCREASED RELIABILITY OF THE SOLDER JOINTS,
AND THE MAXIMUM THERMAL CAPABILITY OF THE PACKAGE IS ACHIEVED WITH THE
EXPOSED PADDLE SOLDERED TO THE CUSTOMER BOARD.
0
358
3-
02
2
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
AD9245
TOP VIEW
(Not to Scale)
Figure 3. LFCSP Pin Configuration
Table 9. Pin Function Descriptions
Pin No.
Mnemonic
Description
1, 3
DNC
Do Not Connect
2
CLK
Clock Input Pin
4
PDWN
Power-Down Function Select
5 to 14, 17 to 20
D0 (LSB) to D13 (MSB)
Data Output Bits
15
DGND
Digital Output Ground
16
DRVDD
Digital Output Driver Supply
21
OTR
Out-of-Range Indicator
22
MODE
Data Format Select and DCS Mode Selection (See Table 11)
23
SENSE
Reference Mode Selection (See Table 10)
24
VREF
Voltage Reference Input/Output
25
REFB
Differential Reference (–)
26
REFT
Differential Reference (+)
27, 32
AVDD
Analog Power Supply
28, 31
AGND
Analog Ground
29
VIN+
Analog Input Pin (+)
30
VIN–
Analog Input Pin (–)
EPAD
Exposed Pad. It is recommended that the exposed paddle be soldered to the ground
plane for the LFCSP package. There is an increased reliability of the solder joints, and
the maximum thermal capability of the package is achieved with the exposed paddle
soldered to the customer board.
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