Datasheet

MAX1290/MAX1292
400ksps, +5V, 8-/4-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
6 _______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= V
LOGIC
= +5V, V
REF
= +2.500V, f
CLK
= 7.6MHz, C
L
= 20pF, T
A
= +25°C, unless otherwise noted.)
-0.5
-0.2
-0.3
-0.4
-0.1
0
0.1
0.2
0.3
0.4
0.5
0 20001000 3000 4000 5000
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1290/2 toc01
DIGITAL OUTPUT CODE
INL (LSB)
-0.5
-0.2
-0.3
-0.4
-0.1
0
0.1
0.2
0.3
0.4
0.5
0 20001000 3000 4000 5000
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1290/2 toc02
DIGITAL OUTPUT CODE
DNL (LSB)
0.1 10k101 100 1k 100k 1000k
SUPPLY CURRENT
vs. SAMPLE FREQUENCY
MAX1290/2 toc03
f
SAMPLE
(Hz)
I
DD
(µA)
1
10
100
1k
10k
WITH INTERNAL
REFERENCE
WITH EXTERNAL
REFERENCE
1.8
1.9
2.0
2.1
2.2
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX1290/2 toc04
V
DD
(V)
I
DD
(mA)
4.50 5.004.75 5.25 5.50
R
L
= ∞
CODE = 101010100000
1.7
1.9
1.8
2.1
2.0
2.2
2.3
-40 10-15 35 60 85
SUPPLY CURRENT vs. TEMPERATURE
MAX1290/2 toc05
TEMPERATURE (°C)
I
DD
(mA)
R
L
= ∞
CODE = 101010100000
930
950
940
970
960
980
990
4.50 5.004.75 5.25 5.50
STANDBY CURRENT vs. SUPPLY VOLTAGE
MAX1290/2 toc06
V
DD
(V)
STANDBY I
DD
(µA)
930
950
940
970
960
980
990
-40 10-15 35 60 85
STANDBY CURRENT vs. TEMPERATURE
MAX1290/2 toc07
TEMPERATURE (°C)
STANDBY I
DD
(µA)
1.0
1.5
2.0
2.5
3.0
POWER-DOWN CURRENT
vs. SUPPLY VOLTAGE
MAX1290/2 toc08
V
DD
(V)
POWER-DOWN I
DD
(µA)
4.50 5.004.75 5.25 5.50
1.8
2.0
1.9
2.1
2.2
-40 10-15 35 60 85
POWER-DOWN CURRENT
vs. TEMPERATURE
MAX1290/2 toc09
TEMPERATURE (°C)
POWER-DOWN I
DD
(µA)