參數(shù)資料
型號(hào): AD9857AST
廠商: ANALOG DEVICES INC
元件分類(lèi): 通信及網(wǎng)絡(luò)
英文描述: CMOS 200 MSPS 14-Bit Quadrature Digital Upconverter
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP80
封裝: MS-026-BEC, LQFP-80
文件頁(yè)數(shù): 30/31頁(yè)
文件大?。?/td> 551K
代理商: AD9857AST
AD9857
–30–
REV. 0
1
2
3
4
5
6
7
8
9
10
OUT_EN
D0
D1
D2
D3
D4
D5
D6
D7
GND
VCC
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
CLOCK
20
19
18
17
16
15
14
13
12
11
U7
74HC574
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
D13
D12
D11
D10
D9
D8
D7
DVDD
DVDD
DVDD
DGND
DGND
DGND
D6
D5
D4
D3
D2
D1
D0
T
P
D
D
D
D
D
D
D
D
D
C
P
R
D
A
A
R
R
A
DIFF_CLKEN
AGND
AVDD
NC
AGND
PLL_FILTER
AVDD
AGND
NC
NC
DAC_RSET
DAC_BP
AVDD
AGND
IOUT
IOUT
AGND
AVDD
AGND
NC
P
P
C
S
S
S
S
D
D
D
D
D
D
N
A
A
A
A
A
A
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
4
8
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
6
6
6
6
1
2
3
4
5
6
7
8
9
10
OUT_EN
D0
D1
D2
D3
D4
D5
D6
D7
GND
20
19
18
17
16
15
14
13
12
11
VCC
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
CLOCK
U1
74HC574
1A
1Y
2A
2Y
3A
3Y
GND
VCC
6A
6Y
5A
5Y
4A
4Y
U2
SN74HC14
1
2
3
4
5
6
7
D6
D5
D4
D3
D2
D1
D0
U3
74HC125
EN1
D1
Q1
EN2
D2
Q2
GND
VCC
EN4
D4
Q4
EN3
D3
Q3
1
2
3
4
5
6
7
14
13
12
11
10
9
8
RBE
RBE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
GND
W12
CIC TEST POINT
J8
GND
AVDD
C20
R4
C19
W6
GND
VCC
DPD
GND
DVDD
VCC
GND
GND
VCC
W1
VCC
GND
VCC
W13
AD9857
U5
P1
PARALLEL PORT
GND
VCC
14
13
12
11
10
9
8
3R5
R6
3.9k
W4
GND
GND
AVDD
DVDD
GND
SDO
SDIO
SYNCIO
PS1
PSO
CS
SCLK
D13
D12
D11
D10
D9
D8
D7
J2
C25
22pF
C26
56pF
C27
68pF
C28
47pF
C22
33pF
C23
15pF
C24
5.6pF
L1
68nH
L2
100nH
L3
120nH
J4
2
1
3
4
J3
W3
W5
GND
82.5MHz ELLIPTIC
LOW PASS FILTER
R7
50
R9
60
5
6
GND
TFORMCT
W2
W11
GND
VCC
TxENABLE
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
GND
U10
R
D
S
S
S
S
C
P
P
D
D
D
D
D
D
D
D
D
D
D
D
D
D
T
D
V
V
V
2R1
0.C1
R12
50
GND
J1
J6
J7
R2
50
R3
50
R8
0
R10
0
CLOCK INPUT
GND
GND
GND
VCC
U6
5
4 8
2
3
7
6
MC100LEVL16
D
Q
D
Q
RESET
C2
0.1 F
C29
10 F
GND
AVDD
C3
0.1 F
C4
0.1 F
C5
0.1 F
C6
0.1 F
C7
0.1 F
C8
0.1 F
TB1
POWER
CONNECTION
GND
AVDD
DVDD
VCC
1
2
3
4
GND
W8 W10 W9
W7
C9
0.1 F
C30
10 F
GND
AVDD
C10
0.1 F
C11
0.1 F
C12
0.1 F
C13
0.1 F
C14
0.1 F
C31
10 F
GND
AVDD
C15
0.1 F
C16
0.1 F
C17
0.1 F
S
S
Figure 35. Schematic of AD9857 Evaluation PCB
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