ADC0838 Micro Linear Corporation, ADC0838 Datasheet - Page 8

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

SAR STATUS (SARS)
CHIP SELECT (CS)
DATA OUT (DO)
DATA IN (DI)
ML2281, ML2282, ML2284, ML2288
8
CLOCK (CLK)
CHIP SELECT (CS)
DATA OUT (DO)
DATA IN (DI)
CLOCK (CLK)
ACQUISITION (t
ACQUISITION (t
SAMPLE & HOLD
HI-Z
SAMPLE & HOLD
START
1
BIT
START
ADDRESS MUX
ACQUISITION (t
ADDRESS MUX
BIT
HI-Z
SGL/DIF SELECT
1
ACQ
HI-Z
t
SGL/DIF
CHIP SELECT (CS)
2
SAMPLE & HOLD
SET-UP
DATA OUT (DO)
ODD/SIGN
ACQ
2
)
t
CLOCK (CLK)
SET-UP
3
ODD/
)
SIGN
BIT 1
3
4
ACQ
4
)
5
(MSB)
HI-Z
5
7
1
(MSB)
6
7
A/D CONVERSION IN PROCESS
6
6
Figure 2. Timing Diagrams (Continued)
2
t
SET-UP
7
6
(MSB)
*LSB FIRST OUTPUT NOT AVAILABLE ON ML2281
MSB FIRST DATA
7
5
3
7
MSB FIRST DATA
8
5
8
4
4
DON’T CARE (DI DISABLED UNTIL NEXT CONVERSION CYCLE)
6
9
4
DON’T CARE (DI DISABLED UNTIL NEXT CONVERSION CYCLE)
ML2281 Timing
ML2282 Timing
ML2284 Timing
9
5
3
5
10
3
t
C
10
2
6
OUTPUT DATA
4
11
OUTPUT DATA
2
11
1
7
3
12
1
(LSB)
12
0
(LSB)
8
2
13
0
13
1
9
1
14
1
(LSB)
14
2
10
0
LSB FIRST DATA
15
2
LSB FIRST DATA
*
15
11
3
16
3
16
4
4
17
17
5
5
18
HI-Z
18
6
6
19
(MSB)
(MSB)
19
7
7
20
20
HI-Z
HI-Z
HI-Z