參數(shù)資料
型號： AD9857AST
廠商： ANALOG DEVICES INC
元件分類： 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
文件頁數(shù)： 4/31頁
文件大?。?/td> 551K
代理商： AD9857AST
AD9857
–4–
REV. 0
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the AD9857 features proprietary ESD protection circuitry, permanent damage may occur on
devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
ABSOLUTE MAXIMUM RATINGS
*
Maximum Junction Temperature . . . . . . . . . . . . . . . . . 150
°
C
V
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 V
Digital Input Voltage . . . . . . . . . . . . . . . . . . . . . –0.7 V to +V
S
Digital Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 5 mA
Storage Temperature . . . . . . . . . . . . . . . . . . –65
°
C to +150
°
C
Operating Temperature . . . . . . . . . . . . . . . . . –40
°
C to +85
°
C
Lead Temperature (Soldering 10 sec) . . . . . . . . . . . . . . 300
°
C
θ
JA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
°
C/W
θ
JC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
°
C/W
*
Absolute maximum ratings are limiting values, to be applied individually, and
beyond which the serviceability of the circuit may be impaired. Functional
operability under any of these conditions is not necessarily implied. Exposure of
absolute maximum rating conditions for extended periods of time may affect
device reliability.
ORDERING GUIDE
Temperature
Range
Package
Description
Package
Option
Model
AD9857AST
AD9857/PCB
–40
°
C to +85
°
C
25
°
C
Quad Flatpack
Evaluation Board
ST-80
EXPLANATION OF TEST LEVELS
Test Level
I
–
100% Production Tested.
III –
Sample Tested Only.
IV –
Parameter is guaranteed by design and characterization
testing.
V
–
Parameter is a typical value only.
VI –
Devices are 100% production tested at 25
°
C and
guaranteed by design and characterization testing for
industrial operating temperature range.
PIN CONFIGURATION
80 79 78 77 76
71 70 69 68 67 66 65
75 74 73 72
64 63 62 61
1
2
3
4
5
6
7
8
9
10
11
13
14
15
16
12
17
18
20
19
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
P
PIN 1
TOP VIEW
(Not to Scale)
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
NC = NO CONNECT
AD9857
DIFFCLKEN
AGND
AVDD
NC
AGND
PLL_FILTER
AVDD
AGND
NC
NC
DAC_RSET
DAC_BP
AVDD
AGND
IOUT
IOUT
AGND
AVDD
AGND
NC
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
P
C
S
S
S
S
D
D
D
D
D
D
N
A
A
A
A
A
A
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