adc12l032 National Semiconductor Corporation, adc12l032 Datasheet - Page 20

• Manufacturer Part Number: adc12l032
• Description: 3.3v Self-calibrating 12-bit Plus Sign Serial I/o A/d Converters With Mux And Sample/hold
• Manufacturer: National Semiconductor Corporation

www.national.com
Timing Diagrams
Format and Set-Up Tables
X = High or Low state.
without
Sign
Sign
with
DO Formats
MSB
First
LSB
First
MSB
First
LSB
First
17 Bits
13 Bits Sign MSB 10
17 Bits LSB
13 Bits LSB
16 Bits
12 Bits MSB 10
16 Bits LSB
12 Bits LSB
9 Bits Sign
9 Bits LSB
8 Bits MSB
8 Bits LSB
FIGURE 6. Protecting the MUXOUT1, MUXOUT2, A/DIN1 and A/DIN2 Analog Pins
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15 DB16
X
0
MSB
(Continued)
X
1
1
1
0
6
1
1
1
X
6
2
2
2
0
9
5
2
2
2
X
9
5
3
3
3
0
8
4
3
3
3
MSB
Sign MSB 10
TABLE 1. Data Out Formats
8
4
4
4
4
7
3
4
4
4
10
7
3
5
5
5
6
2
5
5
5
6
2
6
6
6
9
5
1
6
6
6
20
MSB Sign
MSB
LSB
9
5
1
7
7
8
4
7
7
LSB
8
4
8
8
7
3
8
8
7
3
9
9
6
2
9
9
01183034
10
10
10
10
6
2
5
1
MSB Sign
MSB Sign
MSB
MSB
LSB
5
1
4
LSB
4
3
0
X
3
2
0
2
X
1
0
LSB
X
1
0
LSB
X