MP7226
ELECTRICAL CHARACTERISTICS
Single or Dual Supply Operation (V
DD
= +10.8 V to 16.5 V, V
SS
= 0 V or –5 V
10%,
AGND = 0 V,
DGND = 0 V, V
REF
= +2 V to +10 V, R
L
= 2kΩ, C
L
= 100pF unless otherwise noted)
Parameter
STATIC PERFORMANCE
Resolution (All Grades)
Integral Non-Linearity
(Relative Accuracy)
K
L
Differential Non-Linearity
K
L
Total Unadjusted Error
2
K
L
Full Scale Error
3
K
L
Zero Code Error
K
L
Output Load Resistance
DYNAMIC PERFORMANCE
4
Voltage Output Slew Rate
Voltage Output Settling Time
Digital Feedthrough
Digital Crosstalk
5
2
4
4
25
25
2
5
V/µs
µs
nVs
nVs
2
N
INL
1
1/2
DNL
1/2
1/2
2
1
1
1/2
20
15
2
3/4
3/4
LSB
2
1
LSB
1
1/2
mV
30
20
kΩ
1
1/2
LSB
8
8
Bits
LSB
End Point Linearity Spec
Symbol
Min
25
°
C
Typ
Max
Tmin to Tmax
Min
Max
Units
Test Conditions/Comments
All grades monotonic over full
temperature range.
V
DD
= 15 V
10%,
V
REF
= +10 V
V
REF
= +10 V typ. Tempco is
5 ppm/°C
TA = 25°C typ. Tempco is
30µV/°C
V
OUT
= +10 V
V
REF
= +10 V; Settling Time to
1/2
LSB
Code transition all 0s to all 1s
V
REF
= 0 V, WR = V
DD
Code transition all 0s to all 1s
V
REF
= +10 V, WR = 0 V
REFERENCE INPUT
Reference Input Range
1
Reference Input Resistance
Reference Input Capacitance
4
AC Feedthrough
DIGITAL INPUTS
Input High Voltage
Input Low Voltage
Input Leakage Current
Input Capacitance
4
Input Coding
V
INH
V
INL
I
LKG
2.4
0.8
1
8
2.4
0.8
1
8
V
V
µA
pF
1
2
500
–70
10
1
2
10
V
kΩ
pF
dB
Limitation: V
REF
– V
SS
< 11 V
Min R
IN
at Code 149
10
Occurs when all DACs are loaded
with all 1s
V
REF
= 10 kHz, 5 V p-p sinewave
R
IN
V
IN
= 0 V or V
DD
Binary
Rev. 2.00
3
EXAR [ EXAR CORPORATION ]
