Datasheet

TLV0834C, TLV0834I, TLV0838C, TLV0838I
3-VOLT 8-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL
SLAS147B – SEPTEMBER 1996 – REVISED OCTOBER 2000
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
V
ref
– Reference Voltage – V
1010.10.01
V
I(+)
= V
I(–)
= 0 V
0
2
4
6
8
10
12
14
16
UNADJUSTED OFFSET ERROR
vs
REFERENCE VOLTAGE
E
O(unadj)
– Unadjusted Offset Error – LSB
Figure 4
Figure 5
V
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
LINEARITY ERROR
vs
REFERENCE VOLTAGE
– Linearity Error – LSB
E
L
Figure 6
T
A
– Free-Air Temperature – °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 – LSB
E
L
Figure 7
f
(CLK)
– Clock Frequency – kHz
LINEARITY ERROR
vs
CLOCK FREQUENCY
– 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
700 800