Rainbow Electronics MAX1143 - Manual (Page 6)

MAX1142/MAX1143
14-Bit ADC, 200ksps, +5V Single-Supply
with Reference
6 _______________________________________________________________________________________
Typical Operating Characteristics
(MAX1142/MAX1143, AV DD = DV DD = +5V , f SCLK = 4.8MHz, external clock (50% duty cycle), 24-clocks/conversion (200ksps), bipo-
lar input, external REF = +4.096V, 0.22µF bypassing on REFADJ, 2.2µF on REF, 1µF on CREF, T A = 25°C, unless otherwise noted.)
-1.0
-0.6
-0.8
-0.2
-0.4
0.2
0
0.4
0.8
0.6
1.0
1 3433
5149
6865
1717 8581
10297
12013
13729
15445
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1142 toc01
DIGITAL OUTPUT CODE
INTEGRAL NONLINEARITY (LSB)
-1.0
-0.5
0.5
0
1.0
1 3263
4894
6525
8156 1632
9787
11418
13049
14680
1631
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1142 toc02
DIGITAL OUTPUT CODE
DIFFERENTIAL NONLINEARITY (LSB)
9.5
10.1
9.9
9.7
10.5
10.3
11.3
11.1
10.9
10.7
11.5
-40 -20 0 20 40 60 80
TOTAL SUPPLY CURRENT
vs. TEMPERATURE
MAX1142/3 toc03
TEMPERATURE ( ° C)
TOTAL SUPPLY CURRENT (mA)
A: AVDD, DVDD = +4.75V
B: AVDD, DVDD = +5.00V
C: AVDD, DVDD = +5.25V
C
B
A
-4
0
-1
-2
-3
OFFSET VOLTAGE
vs. TEMPERATURE
MAX1142/3 toc04
TEMPERATURE ( ° C)
OFFSET VOLTAGE (V)
-40 20 40 -20 0 60 80
A: AV DD , DV DD = +4.75V
B: AV DD , DV DD = +5.00V
C: AV DD , DV DD = +5.25V
A
B
C
GAIN ERROR vs.
TEMPERATURE
MAX1142/3 toc05
GAIN ERROR (% FULL SCALE)
0
0.04
0.03
0.02
0.01
TEMPERATURE ( ° C)
-40 20 40 -20 0 60 80
A: AV DD , DV DD = +4.75V
B: AV
DD
, DV
DD
= +5.00V
C: AV DD , DV DD = +5.25V
A
B
C
0.01
0.1
1
10
100
TOTAL SUPPLY CURRENT vs.
CONVERSION RATE (USING SHUTDOWN)
MAX1142/3 toc06
CONVERSION RATE (ksps)
TOTAL SUPPLY CURRENT (mA)
0 100 1000 1 10