MAX1338 Datasheet, PDF (7/24 Pages) Maxim Integrated Products – 14-Bit, 4-Channel, Software-Programmable, Multiranging, Simultaneous-Sampling ADC

14-Bit, 4-Channel, Software-Programmable,
Multiranging, Simultaneous-Sampling ADC
Typical Operating Characteristics
(AV_DD = DV_DD = +5.0V, DRV_DD = +3.0V, AGND = DGND = DRGND = 0, INTCLK/EXTCLK = AGND, f_CLK = 5MHz, input range =
±10V, REFP2 = REFP1, REFN2 = REFN1, COM1 = COM2, 1.0nF from REFADC to AGND, 1.0µF and 0.1µF from COM1 to AGND,
0.1µF from REFP1 to AGND, 0.1µF from REFN1 to AGND, 1.0µF from REFP1 to REFN1.)
INTEGRAL NONLINEARITY
vs. OUTPUT CODE
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-8192 -4096
0
4096
8192
OUTPUT CODE (DECIMAL)
DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-8192 -4096
0
4096
8192
OUTPUT CODE (DECIMAL)
OFFSET ERROR
vs. SUPPLY VOLTAGE
0
-1
CHANNEL 0
-2
-3 ^{CHANNEL 2}
-4 ^{CHANNEL 1}
-5 ^{CHANNEL 3}
-6
4.75 4.85 4.95 5.05 5.15 5.25
AV_DD (V)
OFFSET ERROR
vs. TEMPERATURE
15
GAIN ERROR
vs. SUPPLY VOLTAGE
-0.13
GAIN ERROR
vs. TEMPERATURE
0.15
-0.14
10
0.10
-0.15 _CH1
5
-0.16 _CH2
0.05
0
-0.17 _CH3
0
-0.18
-5
-0.05
-0.19
-10
-15
-40 -15
10
35
60
85
-0.20
CH0
-0.10
REFERENCE ERROR NULLED
-0.21
-0.15
4.75 4.85 4.95 5.05 5.15 5.25
-40 -15
10
35
60
85
TEMPERATURE (°C)
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
OUTPUT HISTOGRAM
(DC INPUT)
ANALOG INPUT BANDWIDTH
6000
0.1
OFFSET NORMALIZED
0
5000
4584.25
-0.1
4000
-0.2
-0.3
3000
-0.4
2000
1802.75
1646.25
-0.5
1000
97.25
61
0
-2
-1
0
1
2
DIGITAL OUTPUT CODE
-0.6
-0.7
-0.8
0
50
100
150
200
f_IN (kHz)
_______________________________________________________________________________________ 7