Datasheet

ADS7805
9
SBAS020D
www.ti.com
FIGURE 5. Using CS and BYTE to Control Data Bus.
t
8
BUSY
R/C
MODE
Acquire
ConvertConvert
t
7
t
6
t
3
t
4
t
1
t
2
t
5
DATA BUS
Previous
Data Valid
t
10
Hi-Z Data ValidHi-Z
Previous
Data Valid
Not Valid
t
11
t
9
Acquire
Data Valid
t
13
FIGURE 3. Conversion Timing with Outputs Enabled after Conversion (CS Tied LOW).
FIGURE 4. Using CS to Control Conversion and Read Timing.
t
12
t
12
t
14
Hi-Z High Byte
t
14
Low Byte Hi-Z
t
9
Hi-Z Low Byte High Byte Hi-Z
Pins 6-13
Pins 15-22
BYTE
CS
R/C
t
9
Hi-Z State
BUSY
R/C
DATA BUS
MODE
Acquire
Data Valid Hi-Z State
Convert
t
7
t
6
t
3
t
4
t
12
Acquire
t
14
t
12
t
1
t
12
t
12
CS