MP7226
ELECTRICAL CHARACTERISTICS
Single & Dual
5
V Supply Operation (V
DD
= +5 V
5%,
V
SS
= 0 V to –5 V
10%,
V
REF
= +1.25 V,
AGND = 0 V, DGND = 0 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
Full Scale Error
3
K
L
Zero Code Error
Output Load Resistance
DYNAMIC PERFORMANCE
4
Voltage Output Slew Rate
Voltage Output Settling Time
Digital Feedthrough
Digital Crosstalk
5
2
4
4
25
25
V/µs
µs
nVs
nVs
2
N
INL
2
1
DNL
1
1
4
4
2
20
4
2
mV
kΩ
V
OUT
= +10 V
1
1
LSB
LSB
2
1
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
= 5 V
5%,
V
REF
= 1.25 V
V
REF
= +1.25 V
V
REF
= +1.25 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
= +1.25 V, WR = 0 V
REFERENCE INPUT
Reference Input Range
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
1.6
1
2
1.6
V
kΩ
pF
dB
V
OUT
must be < V
DD
by 3.2V
Occurs when all DACs are loaded
with all 1s
V
REF
= 10 kHz, 1/2 V p-p sinewave
R
IN
V
IN
= 0 V or V
DD
Binary
Rev. 2.00
5
EXAR [ EXAR CORPORATION ]
