Rainbow Electronics MAX1329 - Manual (Page 13)

MAX1329/MAX1330
12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,
Reference, Voltage Monitors, and Temp Sensor
______________________________________________________________________________________ 13
Typical Operating Characteristics (continued)
(AV
DD
= 5.0V, V
REFADC
= V
REFDAC
= 2.5V for DV
DD
= 3.0V; T
A
= +25°C, unless otherwise noted.)
ADC DIFFERENTIAL NONLINEARITY
vs. DIGITAL INPUT CODE (AV DD = 3.0V)
MAX1329 toc10
DIGITAL INPUT CODE
DNL (LSB)
3072 2048 1024
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 4096
f SAMPLE = 234ksps
ADC INTEGRAL NONLINEARITY
vs. DIGITAL INPUT CODE (AV DD = 3.0V)
MAX1329 toc11
DIGITAL INPUT CODE
INL (LSB)
3072 2048 1024
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 4096
f SAMPLE = 234ksps
90
100
95
110
105
115
120
ADC SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1329 toc12
AV DD (V)
I AVDD
(µ
A)
2.5 3.5 4.0 3.0 4.5 5.0 5.5
ADC SUPPLY CURRENT
vs. CONVERSION RATE
MAX1329 toc13
0
50
150
100
300
350
250
200
400
I AVDD
(µ
A)
0 100 150 50 200 250 300
CONVERSION RATE (ksps)
B = NORMAL MODE
AV
DD = 5V, V REFDAC = 2.5V
E = NORMAL MODE
AV
DD = 3V, V REFADC = 1.25V
C = BURST MODE
AV
DD = 5V, V REFDAC = 2.5V
F = BURST MODE
AV
DD = 3V, V REFADC = 1.25V
D = FAST POWER-DOWN
AV
DD = 3V, V REFADC = 1.25V
A = FAST POWER-DOWN
AV
DD
= 5V, V
REFDAC
= 2.5V
A
B
C
D
E
F
0
0.1
0.3
0.2
0.4
0.5
-40 10 -15 35 60 85
ADC OFFSET VOLTAGE
vs. TEMPERATURE
MAX1329 toc14
TEMPERATURE (°C)
OFFSET (mV)
AV DD = 2.7V
AV DD = 5.5V
0.40
0.42
0.46
0.44
0.48
0.50
ADC OFFSET ERROR
vs. SUPPLY VOLTAGE
MAX1329 toc15
AV DD (V)
OFFSET (mV)
2.7 3.7 4.7