ADC0831B Datasheet, PDF (7/9 Pages) Texas Instruments – A/D PERIPHERALS WITH SERIAL CONTROL

ADC0831A, ADC0832A, ADC0831B, ADC0832B
A/D PERIPHERALS WITH SERIAL CONTROL
SLAS006 – AUGUST 1985 – REVISED JUNE 1986
TYPICAL CHARACTERISTICS
UNADJUSTED OFFSET ERROR
vs
REFERENCE VOLTAGE
16
VI+ = VI _– = 0 V
14
12
10
8
6
4
2
0
0.01
0.1
1.0
10
Vref – Reference Voltage – V
Figure 4
LINEARITY ERROR
vs
REFERENCE VOLTAGE
1.5
VCC = 5 V
fclock = 250 kHz
1.25
TA = 25°C
1.0
0.75
0.5
0.25
0
0
1
2
3
4
5
Vref _– Reference Voltage – V
Figure 5
LINEARITY ERROR
vs
FREE-AIR TEMPERATURE
0.5
Vref = 5 V
fclock = 250 kHz
0.45
0.4
0.35
0.3
0.25
– 50 – 25 0
25
50
75 100
TA – Free-Air Tempertature – °C
Figure 6
LINEARITY ERROR
vs
CLOCK FREQUENCY
3
Vref = 5 V
VCC = 5 V
2.5
2
1.5
85°C
1
0.5
– 40°C
25°C
00
100 200
300 400
500 600
fclock – Clock Frequency – kHz
Figure 7
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443
7