AD7224
SINGLE SUPPLY
Parameter
STATIC PERFORMANCE
Resolution
Total Unadjusted Error
Differential Nonlinearity
REFERENCE INPUT
Input Resistance
Input Capacitance
3
DIGITAL INPUTS
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Leakage Current
Input Capacitance
3
Input Coding
DYNAMIC PERFORMANCE
Voltage Output Slew Rate
4
Voltage Output Settling Time
4
Positive Full-Scale Change
Negative Full-Scale Change
Digital Feedthrough
3
Minimum Load Resistance
POWER SUPPLIES
V
DD
Range
I
DD
@ 25°C
T
MIN
to T
MAX
SWITCHING CHARACTERISTICS
3, 4
t
1
@ 25°C
T
MIN
to T
MAX
t
2
@ 25°C
T
MIN
to T
MAX
t
3
@ 25°C
T
MIN
to T
MAX
t
4
@ 25°C
T
MIN
to T
MAX
t
5
@ 25°C
T
MIN
to T
MAX
t
6
@ 25°C
T
MIN
to T
MAX
(V
DD
= +15 V 5%; V
SS
= AGND = DGND = O V; V
REF
= +10 V
1
unless otherwise noted.
All specifications T
MIN
to T
MAX
unless otherwise noted.)
K, B, T
Versions
2
8
±
2
±
1
8
100
2.4
0.8
±
1
8
Binary
2
5
20
50
2
14.25/15.75
4
6
L, C, U
Versions
2
8
±
2
±
1
8
100
2.4
0.8
±
1
8
Binary
2
5
20
50
2
14.25/15.75
4
6
Units
Bits
LSB max
LSB max
kΩ min
pF max
V min
V max
µA
max
pF max
Conditions/Comments
Guaranteed Monotonic
Occurs when DAC is loaded with all 1s.
V
IN
= 0 V or V
DD
V/µs min
µs
max
µs
max
nV secs typ
kΩ min
V min/V max
mA max
mA max
Settling Time to
±
1/2 LSB
Settling Time to
±
1/2 LSB
V
REF
= 0 V
V
OUT
= +10 V
For Specified Performance
Outputs Unloaded; V
IN
= V
INL
or V
INH
Outputs Unloaded; V
IN
= V
INL
or V
INH
90
90
90
90
0
0
0
0
90
90
10
10
90
90
90
90
0
0
0
0
90
90
10
10
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
Chip Select/Load DAC Pulse Width
Write/Reset Pulse Width
Chip Select/Load DAC to Write Setup Time
Chip Select/Load DAC to Write Hold Time
Data Valid to Write Setup Time
Data Valid to Write Hold Time
NOTES
1
Maximum possible reference voltage.
2
Temperature ranges are as follows:
AD7224KN, LN: 0°C to +70°C
AD7224BQ, CQ: –25°C to +85°C
AD7224TD, UD: –55°C to +125°C
3
See Terminology.
4
Sample tested at 25°C by Product Assurance to ensure compliance.
Specifications subject to change without notice.
REV. B
–3–
AD [ ANALOG DEVICES ]
