参数资料
型号: AD9245BCPZRL7-20
厂商: Analog Devices Inc
文件页数: 16/32页
文件大小: 0K
描述: IC ADC 14BIT SGL 20MSPS 32LFCSP
标准包装: 1,500
位数: 14
采样率(每秒): 20M
数据接口: 并联
转换器数目: 3
功率耗散(最大): 90mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-VQ(5x5)
包装: 带卷 (TR)
输入数目和类型: 2 个单端,单极;1 个差分,单极
Data Sheet
AD9245
Rev. E | Page 23 of 32
03583-050
1
2
3
4
5
6
P13
P14
XFRIN1
OPTIONAL
XFR
T2
FT
C1
1
13
NC
CT
1
T
1
ADT1
1WT
6
2
3
4
5
1
2
3
4
5
R
SINGLE
ENDED
R18
25
R3,
R16,
C18
ONLY
ONE
SHOULD
BE
ON
BOARD
AT
A
TIME
EXTREF
1V
MAX
E1
R1
10k
R9
10k
0.1
F
C12
C9
0.10
F
GND
AVDD
C29
10
F
0.1
F
C11
C7
0.1
F
GND
AV
D
P7
A
B
C
D
P9
P8
P11
P10
E
C13
0.10
F
C22
10
F
P6
P1
P3
P4
1
2
3
4
GND
C8
0.1
F
P5
2
MODE
25
26
27
28
29
30
31
32
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
REFB
REFT
AV
D
AGND
VIN+
AG
N
D
AV
D
VIN
AD9245
U4
VREF
SENSE
MODE
D13
OTR
D12
D11
D10
DV
D
DGND
D9
D7
D8
D6
D5
D4
16
15
14
13
12
11
10
9
DNC
CLK
DNC
D0
PDWN
D1
D2
D3
(LSB)
DR
VDD
GND
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
16
15
14
13
12
11
10
9
DRX
D13X
D12X
D10X
D11X
D9X
D8X
D7X
D6X
D5X
D4X
D2X
D3X
D1X
D0X
(MSB)
OV
ERRANGE
BIT
AVD
D
GND
DRVDD
VDL
VAMP
GND
P2
GND
H1
MTHOLE6
H2
MTHOLE6
H3
MTHOLE6
H4
MTHOLE6
3.0V
2.5V
5.0V
RP2
220
RP1
220
SENSE
PIN
SOLDERABLE
JUMPER:
E
TO
A:
EXTERNAL
VOLTAGE
DIVIDER
E
TO
B:
INTERNAL
1V
REFERENCE
(DEFAULT)
E
TO
C:
EXTERNAL
REFERENCE
E
TO
D:
INTERNAL
0.5V
REFERENCE
MODE
PIN
SOLDERABLE
JUMPER:
5
TO
1:
TWOS
COMPLEMENT/DCS
OFF
5
TO
2:
TWOS
COMPLEMENT/DCS
ON
5
TO
3:
OFFSET
BINARY/DCS
ON
5
TO
4:
OFFSET
BINARY/DCS
OFF
GND
R8
1k
CLK
A
VDD
GND
R25
1k
R13
1k
A
VDD
R15
33
GND
C23
10pF
GND
C19
OR
L1
FOR
FIL
TER
GND
A
VDD
R4
33
R36
1k
R26
1k
GND
AV
D
A
VDD
GND
VIN+
VIN
20pF
C21
10pF
R2
DNP
R10
36
R12
0
AMPIN
X
OUT
GND
X
OUT
B
R3
0
R11
36
C5
0.1
F
C26
10pF
E
45
C16
0.1
F
R42
0
C6
FOR
SINGLE
ENDED
INPUT
PLACE
R18,
R19,
R42,
C6,
AND
C18.
REMOVE
R3,
R12,
C15,
C17,
AND
C27
R12,
R42,
C17
ONLY
ONE
SHOULD
BE
ON
BOARD
AT
A
TIME
0.1
F
GND
AMP
AMPINB
C15
0.1
F
L1
10nH
GND
PRI
SEC
PRI
SEC
GND
C18
0.10
F
X
FRIN
X
OUT
B
CT
X
OUT
J1
R5
1k
R7
1k
R6
1k
Figure 49. LFCSP Evaluation Board Schematic—Analog Inputs and DUT
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