ADC0838 Micro Linear Corporation, ADC0838 Datasheet - Page 9

• Manufacturer Part Number: ADC0838
• Description: Serial I/O 8-Bit A/D Converters with Multiplexer Options
• Manufacturer: Micro Linear Corporation

TO CONTROL
SAR STATUS (SARS)
CHIP SELECT (CS)
DATA OUT (DO)
USING SE
LSB FIRST
OUTPUT
DATA IN (DI)
CLOCK (CLK)
SE = “0”
DO
SE
HI-Z
ACQUISITION (t
START
SAMPLE & HOLD
BIT
1
SGL/DIF SELECT
ADDRESS MUX
HI-Z
2
HI-Z
t
SET-UP
ODD/
SIGN
3
ACQ
BIT 1
4
)
SELECT
BIT 0
5
6
A/D CONVERSION IN PROCESS
(MSB)
(MSB)
Figure 2. Timing Diagrams (Continued)
7
7
7
0.75
0.25
1.0
0.5
0
Figure 3. Linearity Error vs f
6
8
6
0
–55 C
MSB FIRST DATA
MSB FIRST DATA
25 C
5
9
5
ML2288 Timing
4
10
4
CLOCK FREQUENCY (MHz)
ML2281, ML2282, ML2284, ML2288
DON’T CARE (DI DISABLED UNTIL NEXT CONVERSION CYCLE)
0.01
11
3
3
12
2
2
125 C
13
1
1
(LSB)
14
0
0.1
OUTPUT DATA
15
1
DATA HELD
(LSB)
CLK
V
V
REF
16
2
0
CC
LSB FIRST DATA
= 5V
= 5V
17
3
1
18
4
19
1
5
t
SET-UP
20
6
2
(MSB)
LSB FIRST DATA
21
7
3
22
4
23
5
24
6
(MSB)
25
7
26
HI-Z
HI-Z
HI-Z
9