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参数资料
| 型号： | AD7243BR |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | DAC |
| 英文描述： | SM IC/74HC08 SO-14 QUAD 2-IN |
| 中文描述： | SERIAL INPUT LOADING, 5 us SETTLING TIME, 12-BIT DAC, PDSO16 |
| 封装： | SOIC-16 |
| 文件页数： | 3/12页 |
| 文件大小： | 171K |
| 代理商： | AD7243BR |
REV. A
–3–
AD7243
Limit at +25 C, T
MIN
, T
MAX
(All Versions)
Parameter
Units
Conditions/Comments
t
13
t
2
t
3
t
4
t
5
t
6
t
7
t
8
t
t
9
t
114, 6
200
15
70
0
40
0
20
0
20
160
>t
5
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns max
ns min
SCLK Cycle Time
SYNC
to SCLK Falling Edge Setup Time
SYNC
to SCLK Hold Time
Data Setup Time
Data Hold Time
SYNC
High to
LDAC
Low
LDAC
Pulsewidth
LDAC
High to
SYNC
Low
CLR
Pulsewidth
SCLK Falling Edge to SDO Valid
SCLK Falling Edge to SDO Invalid
NOTES
1
Sample tested at +25
°
C to ensure compliance. All input signals are specified with tr = tf = 5 ns (10% to 90% of 5 V) and timed from a voltage level of 1.6 V.
2
See Figures 7 & 8.
3
SCLK mark/space ratio range is 40/60 to 60/40.
4
SDO load capacitance is no greater than 50 pF.
5
At 25
°
C t
is 130 ns max.
6
Guaranteed by design.
ORDERING GUIDE
Model
Temperature Range
Relative Accuracy
Package Option
1
AD7243AN
AD7243BN
AD7243AR
AD7243BR
AD7243AQ
AD7243BQ
AD7243SQ
2
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–55
°
C to +125
°
C
±
1 LSB
±
1/2 LSB
±
1 LSB
±
1/2 LSB
±
1 LSB
±
1/2 LSB
±
1 LSB
N-16
N-16
R-16
R-16
Q-16
Q-16
Q-16
NOTES
1
N = Plastic DIP; R = SOIC; Q = Cerdip.
2
Available to /883B processing only. Contact your local sales office for military data sheet.
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= +25
°
C unless otherwise noted)
V
DD
to AGND, DGND . . . . . . . . . . . . . . . . . –0.3 V to +17 V
V
SS
to AGND, DGND . . . . . . . . . . . . . . . . . +0.3 V to –17 V
AGND to DGND . . . . . . . . . . . . . . . . –0.3 V to V
DD
+ 0.3 V
V
OUT2
to AGND . . . . . . . . . . . . . . . . . . . –6 V to V
DD
+ 0.3 V
REFOUT to AGND . . . . . . . . . . . . . . . . . . . . . . . 0 V to V
DD
REFIN to AGND . . . . . . . . . . . . . . . . –0.3 V to V
DD
+ 0.3 V
Digital Inputs to DGND . . . . . . . . . . . –0.3 V to V
DD
+ 0.3 V
SDO to DGND . . . . . . . . . . . . . . . . . . –0.3 V to V
DD
+ 0.3 V
Operating Temperature Range
Industrial (A, B Versions) . . . . . . . . . . . . . –40
°
C to +85
°
C
Extended (S Version) . . . . . . . . . . . . . . . . –55
°
C to +125
°
C
TIMING CHARACTERISTICS
1, 2
Storage Temperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Lead Temperature (Soldering, 10 secs) . . . . . . . . . . . .+300
°
C
Power Dissipation (Any Package) to +75
°
C . . . . . . . 450 mW
Derates above +75
°
C by . . . . . . . . . . . . . . . . . . . . . 6 mW/
°
C
NOTES
1
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 listed in the operational sections
of this specification is not implied. Exposure to absolute maximum rating condi-
tions for extended periods may affect device reliability. Only one Absolute
Maximum Rating may be applied at any time.
2
The outputs may be shorted to voltages in this range provided the power dissipation
of the package is not exceeded. Short circuit current is typically 80 mA.
(V
DD
= +10.8 V to +16.5 V, V
SS
= 0 V or –10.8 V to –16.5 V, AGND = DGND = 0 V,
R
L
= 2 k
, C
L
= 100 pF. All Specifications T
MIN
to T
MAX
unless otherwise noted.)
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 AD7243 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
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