參數(shù)資料
型號(hào)： AD9853
廠商： Analog Devices, Inc.
英文描述： Programmable Digital QPSK/16-QAM Modulator(可編程數(shù)字的四相移鍵控/16-正交幅度調(diào)制的調(diào)節(jié)器)
中文描述： 可編程數(shù)字QPSK/16-QAM調(diào)制器（可編程數(shù)字的四相移鍵控/ 16 -正交幅度調(diào)制的調(diào)節(jié)器）
文件頁(yè)數(shù)： 3/31頁(yè)
文件大小： 339K
代理商： AD9853
–3–
REV. A
AD9853
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 AD9853 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.
Parameter
Temp
Test Level
Min
Typ
Max
Units
TIMING CHARACTERISTICS (Continued)
Wake-Up Time–PLL Power-Down
Wake-Up Time–DAC Power-Down
Wake-Up Time–Digital Power-Down
Data Latency (t
DL
)
Minimum RESET Pulsewidth Low (t
RL
)
CMOS LOGIC INPUTS
Logic “1” Voltage, +5 V Supply
Logic “1” Voltage, +3.3 V Supply
Logic “0” Voltage
Logic “1” Current
Logic “0” Current
Input Capacitance
POWER SUPPLY
2
+V
S
Current (+3.3 V + 5%)
Full Operating Conditions
With PLL Power-Down Enabled
With DAC Power-Down Enabled
With Digital Power-Down Enabled
With All Power-Down Enabled
+V
S
Current (+5 V + 5%)
+25
°
C
+25
°
C
+25
°
C
+25
°
C
+25
°
C
IV
IV
IV
IV
IV
1
200
5
6
10
ms
μ
s
μ
s
Symbols
ns
+25
°
C
+25
°
C
+25
°
C
+25
°
C
+25
°
C
+25
°
C
I
I
I
I
I
V
+3.5
+3.0
V
V
V
μ
A
μ
A
pF
+0.4
12
12
3
+25
°
C
+25
°
C
+25
°
C
+25
°
C
+25
°
C
+25
°
C
I
I
I
I
I
I
184
178
170
36
16
400
230
224
216
54
20
595
mA
mA
mA
mA
mA
mA
NOTES
1
Reference clock = 28 MHz with clock multiplier enabled; supply voltage = +5 V.
2
Maximum values are obtained under worst case operating modes. Typical values are valid for most applications.
Specifications subject to change without notice.
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.
ABSOLUTE MAXIMUM RATINGS*
Maximum Junction Temperature . . . . . . . . . . . . . . . +150
°
C
V
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6 V
Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . . –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 (10 sec Soldering) . . . . . . . . . . . . +300
°
C
MQFP
θ
JA
Thermal Impedance . . . . . . . . . . . . . . . . . 36
°
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.
WARNING!
ESD SENSITIVE DEVICE
ORDERING GUIDE
Temperature
Range
Package
Description
Package
Option
Model
AD9853AS –40
°
C to +85
°
C Metric Quad Flatpack S-44A
(MQFP)
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