AD7224 Analog Devices, AD7224 Datasheet - Page 2

• Manufacturer Part Number: AD7224
• Description: LC2MOS 8-Bit DAC with Output Amplifiers
• Manufacturer: Analog Devices

Specifications of AD7224

• Resolution (bits): 8bit
• Dac Update Rate: 143kSPS
• Dac Settling Time: 7µs
• Max Pos Supply (v): +16.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Par

DUAL SUPPLY
Parameter
STATIC PERFORMANCE
REFERENCE INPUT
DIGITAL INPUTS
DYNAMIC PERFORMANCE
POWER SUPPLIES
SWITCHING CHARACTERISTICS
NOTES
1
2
3
4
Specifications subject to change without notice.
AD7224–SPECIFICATIONS
Maximum possible reference voltage.
Temperature ranges are as follows:
K, L Versions: –40 C to +85 C
B, C Versions: –40 C to +85 C
T, U Versions: –55 C to +125 C
Sample Tested at 25 C by Product Assurance to ensure compliance.
Switching characteristics apply for single and dual supply operation.
Resolution
Total Unadjusted Error
Relative Accuracy
Differential Nonlinearity
Full-Scale Error
Full-Scale Temperature Coefficient
Zero Code Error
Zero Code Error Temperature Coefficient
Voltage Range
Input Resistance
Input Capacitance
Input High Voltage, V
Input Low Voltage, V
Input Leakage Current
Input Capacitance
Input Coding
Voltage Output Slew Rate
Voltage Output Settling Time
Digital Feedthrough
Minimum Load Resistance
V
V
I
I
t
t
t
t
t
t
1
2
3
4
5
6
DD
SS
DD
SS
Positive Full-Scale Change
Negative Full-Scale Change
@ 25 C
T
@ 25 C
T
@ 25 C
T
@ 25 C
T
@ 25 C
T
@ 25 C
T
@ 25 C
T
@ 25 C
T
Range
MIN
MIN
MIN
MIN
MIN
MIN
MIN
MIN
Range
to T
to T
to T
to T
to T
to T
to T
to T
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
3
3
INL
INH
(V
All specifications T
3
DD
3
= 11.4 V to 16.5 V, V
3, 4
MIN
K, B, T
Versions
8
2 to (V
8
100
2.4
0.8
8
Binary
2.5
5
7
50
2
11.4/16.5
4.5/5.5
4
6
3
5
90
90
90
90
0
0
0
0
90
90
10
10
2
1
1
3/2
20
30
50
1
to T
SS
MAX
DD
= –5 V
2
unless otherwise noted.)
– 4)
10%; AGND = DGND = O V; V
L, C, U
Versions
8
2 to (V
8
100
2.4
0.8
8
Binary
2.5
5
7
50
2
11.4/16.5
4.5/5.5
4
6
3
5
90
90
90
90
0
0
0
0
90
90
10
10
1
1/2
1
1
20
20
30
1
–2–
DD
2
– 4)
Units
Bits
LSB max
LSB max
LSB max
LSB max
ppm/ C max
mV max
V min to V max
k min
pF max
V min
V max
pF max
V/ s min
nV secs typ
k min
V min/V max
V min/V max
mA max
mA max
mA max
mA max
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
V/ C typ
A max
s max
s max
REF
= +2 V to (V
Conditions/Comments
V
Guaranteed Monotonic
V
Occurs when DAC is loaded with all 1s.
V
V
V
V
V
For Specified Performance
For Specified Performance
Outputs Unloaded; V
Outputs Unloaded; V
Outputs Unloaded; V
Outputs Unloaded; V
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
DD
DD
IN
REF
REF
REF
OUT
= 0 V or V
= +15 V
= 14 V to 16.5 V, V
= +10 V; Settling Time to 1/2 LSB
= +10 V; Settling Time to 1/2 LSB
= 0 V
= +10 V
DD
– 4 V)
DD
1
5%, V
unless otherwise noted.
IN
IN
IN
IN
REF
= V
= V
= V
= V
REF
= +10 V
INL
INL
INL
INL
= +10 V
or V
or V
or V
or V
INH
INH
INH
INH
REV. B