Rainbow Electronics MAX1464 - Manual (Page 10)

TEMPERATURE SENSOR OUTPUT
vs. TEMPERATURE
MAX1464 toc13
TEMPERATURE ( °C)
TEMPERATURE SENSOR OUTPUT (ADC CODE)
97.5 125.0 70.0 42.5 15.0 -12.5
0
-2000
4000
2000
8000
12,000
10,000
14,000
6000
16,000
-4000
-40.0
PGA[4:0] = [00001]
CO[3:0] = 0110
MAX1464
Low-Power, Low-Noise Multichannel
Sensor Signal Processor
10 ______________________________________________________________________________________
ADC DNL
MAX1464 toc07
INPUT VOLTAGE NORMALIZED TO FULL SCALE
ADC DNL ERROR (LSB)
0.5 0 -0.5
-3
-2
-1
0
1
2
3
4
-4
-1.0 1.0
PGA[4:0] = 01000
DAC INL
MAX1464 toc08
INPUT NORMALIZED TO FULL SCALE
DAC NONLINEARITY ERROR (%FS)
0.6 0.4 -0.6 -0.4 -0.2 0 0.2
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
-0.04
-0.8 0.8
DAC DNL
MAX1464 toc09
INPUT VOLTAGE NORMALIZED TO FULL SCALE
DAC DNL ERROR (LSB)
0.6 0.4 0.2 0 -0.2 -0.4 -0.6
-2
-1
0
1
2
3
-3
-0.8 0.8
DAC DYNAMIC RESPONSE
200 µs/div
4
5
0
2
3
1
1V/div
DAC CODE = 4000h
DAC CODE = C000h
MAX1464 toc10
DAC RATIOMETRICITY ERROR
vs. SUPPLY VOLTAGE
MAX1464 toc11
SUPPLY VOLTAGE, V DD (V)
ERROR (%FS)
5.3 5.1 4.9 4.7
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
-0.05
4.5 5.5
DAC INPUT = 5555CH (4.5V AT V DD = 5V)
DAC INPUT = 0000CH (2.5V AT V DD = 5V)
DAC INPUT = AAABCH (0.5V AT V DD = 5V)
Typical Operating Characteristics (continued)
(V DD = 5.0V, T A = +25°C, unless otherwise noted.)
INTERNAL OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
MAX1464 toc12
SUPPLY VOLTAGE, V DD (V)
INTERNAL OSCILLATOR FREQUENCY (MHz)
5.3 5.1 4.9 4.7
3.85
3.90
3.95
4.00
4.05
4.10
4.15
3.80
4.5 5.5
T A = -40 °C
T
A
= +125 °C
T A = +25 °C
OSCILLATOR
FREQUENCY TRIMMED
TO 4MHz AT +25
°C,
V DD = 5V