AD7225
Rev. C | Page 4 of 24
SINGLE SUPPLY
VDD = 15 V ± 5%; VSS = AGND = DGND = 0 V; VREFx = 10 V, unless otherwise noted. All specifications TMIN to TMAX,
unless otherwise noted.
Table 2.
Parameter
Unit
Conditions/Comments
STATIC PERFORMANCE
Resolution
8
Bits
Total Unadjusted Error2
±2
±1
LSB max
Differential Nonlinear
ity2±1
LSB max
Guaranteed monotonic
REFERENCE INPUT
Voltage Range
2 to (VDD 4)
V min to V max
Input Resistance
11
kΩ min
Input Capacitance3
50
pF max
Occurs when each DAC is loaded with all 1s
Channel-to-Channel Isolati
on2, 360
dB min
VREF = 10 V p-p sine wave at 10 kHz
70
dB max
VREF = 10 V p-p sine wave at 10 kHz
DIGITAL INPUTS
Input High Voltage, VINH
2.4
V min
Input Low Voltage, VINL
0.8
V max
Input Leakage Current
±1
μA max
VIN = 0 V or VDD
8
pF max
Input Coding
Binary
DYNAMIC PERFORMANCE
Voltage Output Slew Ra
te32
V/μs min
Voltage Output Settling Tim
e34
μs max
10
nV sec typ
Code transition all 0s to all 1s
10
nV sec typ
Code transition all 0s to all 1s
Minimum Load Resistance
2
kΩ min
VOUT = 10 V
POWER SUPPLIES
VDD Range
14.25/15.75
V min to V max
For specified performance
IDD
10
mA max
Outputs unloaded; VIN = VINL or VINH
SWITCHING CHARACTERISTIC
S3t1
50
ns min
Write pulse width
t2
0
ns min
Address to write setup time
t3
0
ns min
Address to write hold time
t4
50
ns min
Data valid to write setup time
t5
0
ns min
Data valid to write hold time
t6
50
ns min
Load DAC pulse width
1
Temperature range is as follows for all versions: 40°C to +85°C.
2
Sample tested at 25°C to ensure compliance.
3
Switching characteristics apply for single-supply and dual-supply operation.