Temperature ranges are as follows: A, B Versions: –40°C to +85°C; S Version: –55°C to +125°C.
3
See terminology.
4
Measured with respect to REFIN and includes unipolar/bipolar offset error.
5
Guaranteed by design and characterization, not production tested.
6
0 V to +10 V output range is available only with V
DD
≥
+14.25 V.
Specifications subject to change without notice.
–2–
REV. A
AD7243
TIMING CHARACTERISTICS
Parameter
t
1 3
t
2
t
3
t
4
t
5
t
6
t
7
t
8
t
9
t
104, 5
t
114, 6
200
15
70
0
40
0
20
0
20
160
>t
5
1, 2
(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.)
Units
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns max
ns min
Conditions/Comments
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
Limit at +25 C, T
MIN
, T
MAX
(All Versions)
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
10
is 130 ns max.
6
Guaranteed by design.
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
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