參數(shù)資料
型號： AD9240AS
廠商： ANALOG DEVICES INC
元件分類： ADC
英文描述： Complete 14-Bit, 10 MSPS Monolithic A/D Converter
中文描述： 1-CH 14-BIT FLASH METHOD ADC, PARALLEL ACCESS, QFP44
封裝： MS-022AB-1, MQFP-44
文件頁數(shù)： 4/24頁
文件大?。?/td> 328K
代理商： AD9240AS
AD9240
SWITCHING SPECIFICATIONS
REV. A
–4–
ABSOLUTE MAXIMUM RATINGS*
With
Respect
to
Parameter
Min
Max
Units
AVDD
DVDD
AVSS
AVDD
DRVDD
DRVSS
REFCOM
CLK
Digital Outputs
VINA, VINB
VREF
SENSE
CAPB, CAPT
BIAS
Junction Temperature
Storage Temperature
Lead Temperature
(10 sec)
AVSS
DVSS
DVSS
DVDD
DRVSS
AVSS
AVSS
AVSS
DRVSS
AVSS
AVSS
AVSS
AVSS
AVSS
–0.3
–0.3
–0.3
–6.5
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
+6.5
+6.5
+0.3
+6.5
+6.5
+0.3
+0.3
AVDD
+ 0.3
DRVDD
+ 0.3
AVDD
+ 0.3
AVDD
+ 0.3
AVDD
+ 0.3
AVDD
+ 0.3
AVDD
+ 0.3
+150
+150
V
V
V
V
V
V
V
V
V
V
V
V
V
V
°
C
°
C
–65
+300
°
C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum ratings
for extended periods may effect device reliability.
Parameters
Clock Period
1
CLOCK Pulsewidth High
CLOCK Pulsewidth Low
Output Delay
Symbol
AD9240
Units
t
C
t
CH
t
CL
t
OD
100
45
45
8
13
19
3
ns min
ns min
ns min
ns min
ns typ
ns max
Clock Cycles
Pipeline Delay (Latency)
NOTES
1
The clock period may be extended to 1 ms without degradation in specified performance @ +25
°
C.
Specifications subject to change without notice.
(T
MIN
to T
MAX
with AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, R
BIAS
= 2 k
V
, C
L
= 20 pF)
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 AD9240 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.
t
CL
t
CH
t
C
t
OD
DATA 1
DATA
OUTPUT
INPUT
CLOCK
ANALOG
INPUT
S1
S2
S3
S4
Figure 1. Timing Diagram
THERMAL CHARACTERISTICS
Thermal Resistance
44-Lead MQFP
θ
JA
= 53.2
°
C/W
θ
JC
= 19
°
C/W
ORDERING GUIDE
Temperature
Range
–40
o
C to +85
o
C
Package
Description
Package
Option*
Model
AD9240AS
AD9240EB
44-Lead MQFP
Evaluation Board
S-44
*S = Metric Quad Flatpack.
PIN CONFIGURATION
3
4
5
6
7
1
2
10
11
8
9
40 39 38
41
42
43
44
36 35 34
37
29
30
31
32
33
27
28
25
26
23
24
PIN 1
TOP VIEW
(Not to Scale)
AD9240
12 13 14 15 16 17 18 19
B
20 21 22
NC = NO CONNECT
B
B
B
B
B
B
B
B
B
B
DVSS
AVSS
DVDD
AVDD
DRVSS
DRVDD
CLK
NC
NC
NC
(LSB) BIT 14
REFCOM
VREF
SENSE
NC
AVSS
AVDD
NC
NC
OTR
BIT 1 (MSB)
BIT 2
N
N
N
C
N
C
C
B
N
V
V
WARNING!
ESD SENSITIVE DEVICE
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AD9240EB 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete 14-Bit, 10 MSPS Monolithic A/D Converter
AD9240-EB 制造商:Analog Devices 功能描述:
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