MP7680
ELECTRICAL
CHARACTERISTICS
(V D D = + 5 V, V R EF = +10 V, IO U T1 = IO U T2 = DGND = AGND = 0 V Unless Otherwise
Noted)
25 °C
Typ
Tmin to Tmax
Parameter
Symbol
Min
Max
Min
Max
Units
Test Conditions/Comments
1
ST ATIC PERFORMANCE
Resolution (All Grades)
N
12
12
Bits
Integral Non-Linearity
(Relative Accuracy)
INL
LSB
Best Fit Straight Line Spec.
(Max INL - Min INL) / 2
K
J
+1
+2
+1
+2
Differential Non-Linearity
DNL
GE
LSB
LSB
K
J
+1
+4
+2.0
+4.0
Gain Error
Using Internal R
FB
K
J
+16
+16
+16
+16
2
Gain Temperature Coefficient
TC
+2 ppm/°C ∆Gain/∆Temperature
GE
Power Supply Rejection Ratio
Output Leakage Current
PSRR
+50
+50
+70 ppm/% |∆Gain/∆V | ∆V = + 5%
DD DD
I
+200 nA
I
I
V
V
= 0 V
OUT
OUT1
OUT2
IN
IN
= V
DD
2
DYNAMIC PERFORMANCE
R =100Ω, C
L
=13pF
EXT
Current Settling Time
t
S
1.0
µs
Full scale change to 1/2 LSB
REFERENCE
INPUT
Input Resistance
Voltage Input Range
R
V
3
5
+10
7
+25
3
7
kΩ
V
IN
IN
2
DIGIT AL INPUTS
Input High Voltage
Input Low Voltage
Input Current
V
V
IL
LKG
2.4
2.4
V
V
IH
0.8
+1
0.8
I
+4 µA
V
= 0 V and V
IN DD
2
Input Capacitance
Data
Control
C
C
7.0
7.0
pF
pF
IN
IN
2
ANALOG OUTPUTS
Output Capacitance
C
C
C
C
100
50
50
pF
pF
pF
pF
DAC all 1’s
DAC all 0’s
DAC all 1’s
DAC all 0’s
OUT1
OUT1
OUT2
OUT2
100
Rev. 3.10
5
EXAR [ EXAR CORPORATION ]
