Datasheet

 
 
      
SLAS148 − SEPTEMBER 1996
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
TYPICAL CHARACTERISTICS
V
ref
−
Reference Voltage − VV
ref
− Reference Voltage − V
V
CC
= 3.3 V
f
(CLK)
= 250 kHz
T
A
= 25°C
4321
0
0.25
0.5
0.75
1.0
1.25
0
1.5
101.00.10.01
V
I+
= V
I−
= 0 V
0
2
4
6
8
10
12
14
16
UNADJUSTED OFFSET ERROR
vs
REFERENCE VOLTAGE
LINEARITY ERROR
vs
REFERENCE VOLTAGE
E
O(unadj)
− Unadjusted Offset Error − LSB
− Linearity Error − LSB
E
L
Figure 4 Figure 5
f
(CLK)
− Clock Frequency − kHzT
A
− Free-Air Tempertature − °C
V
ref
= 3.3 V
f
(CLK)
= 250 kHz
1007550250−25
0.5
0.45
0.4
0.35
0.3
−50
0.25
LINEARITY ERROR
vs
FREE-AIR TEMPERATURE
LINEARITY ERROR
vs
CLOCK FREQUENCY
− Linearity Error − LSB
E
L
− Linearity Error − LSB
E
L
600500400300200100
2.0
1.8
1.2
1
0.8
0.2
0
0
85°C
25°C
−40°C
V
ref
= 3.3 V
V
CC
= 3.3 V
1.6
1.4
0.6
0.4
700 80
0
Figure 6 Figure 7