MAX1245 Maxim, MAX1245 Datasheet - Page 15

• Manufacturer Part Number: MAX1245
• Description: +2.375V / Low-Power / 8-Channel / Serial 12-Bit ADC
• Manufacturer: Maxim

Figure 12a. Timing Diagram Power-Down Modes, External Clock
Figure 12b. Timing Diagram Power-Down Modes, Internal Clock
Table 4. Software Power-Down and
Clock Mode
CLOCK
MODE
MODE
SHDN
DOUT
CLOCK
SSTRB
MODE
DIN
MODE
DOUT
PD1
DIN
1
1
0
0
S X X X X X 1 1
S X X X X X 1 0
PD0
______________________________________________________________________________________
1
0
1
0
SETS EXTERNAL
CLOCK MODE
CONVERSION
12 DATA BITS
SETS INTERNAL
CLOCK MODE
POWERED UP
DEVICE MODE
External Clock
Internal Clock
Power-Down
Unassigned
+2.375V, Low-Power, 8-Channel,
POWERED UP
EXTERNAL
DATA VALID
S
X
X
X
X
X
0 0
INTERNAL
SETS SOFTWARE
POWER-DOWN
S
X
12 DATA BITS
X
Table 5. Hard-Wired Power-Down and
Internal Clock Frequency
X
Floating
STATE
X
SHDN
X
1
0
0 0
POWER-DOWN
SETS
POWER-DOWN
CONVERSION
SOFTWARE
SETS EXTERNAL
CLOCK MODE
Serial 12-Bit ADC
Power-Down
S
DEVICE
Enabled
Enabled
X X X X X
MODE
POWERED UP
1 1
DATA VALID
POWER-DOWN
VALID
SOFTWARE
DATA
INTERNAL CLOCK
HARDWARE
EXTERNAL
POWER-
INVALID
DOWN
DATA
FREQUENCY
1.5MHz
225kHz
N/A
S
POWERED UP
POWERED UP
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