MP7528
ELECTRICAL CHARACTERISTICS
(VDD = + 5 V, VREF = +10 V unless otherwise noted)
25°C
Typ
Tmin to Tmax
Parameter
Symbol
Min
Max
Min
Max
Units
Test Conditions/Comments
1
STATIC PERFORMANCE
Resolution (All Grades)
N
8
8
Bits
Integral Non-Linearity
(Relative Accuracy)
J, A, S
INL
LSB
End Point Linearity Spec.
+1
+1/2
+1/4
+1
+1/2
+1/4
K, B, T
L, C
Monotonicity
Guaranteed over temp
Differential Non-Linearity
DNL
GE
+1
+1 LSB
All grades monotonic over full
temperature range.
J, A, S
K, B, T
L, C
Gain Error
J, A, S
K, B, T
L, C
LSB
Using Internal R
FB
Digital Inputs = V
INH
+4
+2
+1
+6
+4
+3
2
Gain Temperature Coefficient
TC
+70 ppm/°C
∆Gain/∆Temperature
|∆Gain/∆V | ∆V = + 5%
GE
Power Supply Rejection Ratio
PSRR
+200
+400 ppm/%
DD
DD
Digital Inputs = V
Digital Inputs = V
Digital Inputs = V
INH
INL
INH
Output Leakage Current (Pin 2)
Output Leakage Current (Pin 20)
Input Resistance
I
I
+50nA
+50nA
+400nA nA
+400nA nA
OUT1
OUT2
V
8
8
15
15
8
8
15 kΩ
15 kΩ
TC = –300 ppm/°C max.
11 kΩ typical
REFA
V
REFB
Input Resistance Matching
+1
+1
%
2
DYNAMIC PERFORMANCE
R =100Ω, C =13pF
L
L
Harmonic Distortion
Digital Crosstalk
THD
Q
–85
30
dB
nVs
V
= 6V
@ 1 KHz
IN
RMS
Measured for code transition
to F
Z
S
SS
Channel-to-Channel Isolation
CCI
–77
–70
160
220
dB
dB
nVs
ns
AC Feedthrough at I
Glitch Energy
F
T
–65
270
V
REF
= 10kHz, 20 Vp-p, sinewave
OUT1
Egl
Z to F Input Change
S S
From digital input to 90%
of final analog output current
Propagation Delay
t
PD
Rev. 2.00
4
EXAR [ EXAR CORPORATION ]
