Rainbow Electronics MAX1329 - Manual (Page 17)

MAX1329/MAX1330
12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,
Reference, Voltage Monitors, and Temp Sensor
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ADC REFERENCE SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1329 toc32
AV DD SUPPLY VOLTAGE (V)
I AVDD
(µ
A)
5.0 4.5 4.0 3.5 3.0
441
442
443
444
445
446
440
2.5 5.5
2.5V
2.048V
1.25V
ADC REFERENCE TURN-ON TIME
vs. ANALOG SUPPLY VOLTAGE
MAX1329 toc33
AV DD SUPPLY VOLTAGE (V)
TURN-ON TIME (ms)
5.0 4.5 4.0 3.5 3.0
2
4
6
8
10
0
2.5 5.5
2.5V
2.048V
1.25V
-2.0
-1.0
-1.5
0.5
0
-0.5
1.0
2.0
1.5
0 1000 1500 2000 500 2500 3000 3500 4000
DAC INTEGRAL NONLINEARITY
vs. DIGITAL INPUT CODE (AV DD = 3V)
MAX1329 toc34
DIGITAL INPUT CODE
INL (LSB)
V REFDAC = 2.5V
-2.0
-1.0
-1.5
0.5
0
-0.5
1.0
2.0
1.5
0 1000 1500 2000 500 2500 3000 3500 4000
DAC INTEGRAL NONLINEARITY
vs. DIGITAL INPUT CODE (AV DD = 5V)
MAX1329 toc35
DIGITAL INPUT CODE
INL (LSB)
V REFDAC = 2.5V
-2.0
-1.0
-1.5
0.5
0
-0.5
1.0
2.0
1.5
0 1000 1500 2000 500 2500 3000 3500 4000
DAC DIFFERENTIAL NONLINEARITY
vs. DIGITAL INPUT CODE (AV DD = 3V)
MAX1329 toc36
DIGITAL INPUT CODE
DNL (LSB)
V
REFDAC
= 2.5V
-2.0
-1.0
-1.5
0.5
0
-0.5
1.0
2.0
1.5
0 1000 1500 2000 500 2500 3000 3500 4000
DAC DIFFERENTIAL NONLINEARITY
vs. DIGITAL INPUT CODE (AV DD = 5V)
MAX1329 toc37
DIGITAL INPUT CODE
DNL (LSB)
V REFDAC = 2.5V
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.)
1ms/div
ADC REFERENCE LINE TRANSIENT
(V
ADCREF
= +2.5V)
AV DD
V ADCREF 2.5V
5V
20mV/div
500mV/div
MAX1329 toc31
DAC SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1329 toc38
AV DD (V)
I AVDD
(µ
A)
5.0 4.5 4.0 3.5 3.0
35
40
45
50
55
60
65
70
75
80
30
2.5 5.5
V REFDAC = 2.5V, DACB
V REFDAC = 2.5V, DACA
1.20
1.60
1.40
2.00
1.80
2.40
2.20
2.60
-40 10 -15 35 60 85
DAC OFFSET VOLTAGE
vs. TEMPERATURE
MAX1329 toc39
TEMPERATURE (°C)
OFFSET (mV)
AV DD = 5.5V
AV DD = 2.7V