Datasheet

MAX5703/MAX5704/MAX5705
Ultra-Small, Single-Channel, 8-/10-/12-Bit Buffered Output
Voltage DACs with Internal Reference and SPI Interface
19Maxim Integrated
Table 2. SPI Commands Summary (continued)
COMMAND B23 B22 B21 B20 B19 B18 B17 B16 B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 DESCRIPTION
CONFIGURATION COMMANDS REF 0 0 1 0
0 = No Drive
1 = Drive Pin
0 = Default
1 = Always ON
Ref Mode
00 = EXT
01 = 2.5V 10 = 2.0V 11 = 4.1V
X X X X X X X X X X X X X X X X
Sets the reference operating mode.
SOFTWARE 0 0 1 1 X
Type:
000 = END
001 = GATE
100 = CLR
101 = RST
Other = No Effect
X X X X X X X X X X X X X X X X
Executes a software operation of the type chosen
POWER 0 1 0 0 X X X X X X X X X X X X
Power
Mode:
00 = DAC
01 = 1kI
10 = 100kI
11 = HiZ
X X X X X X
Sets the Power mode
CONFIG 0 1 0 1 X X X X X X X X X X X X X X
AUX Mode:
011 = GATE
110 = CLEAR
111 = NONE
Other = No Effect
X X X
Updates the function of the AUX input
DEFAULT 0 1 1 0 X X X X X X X X X X X X
Default Values:
000 = POR
001 = ZERO
010 = MID
011 = FULL
100 = RETURN
Other = No Effect
X X X X X
Sets the default value for the DAC
NO OPERATION COMMANDS
No Operation
0 0 0 0 X X X X X X X X X X X X X X X X X X X X
These commands will have no effect on the part.
1 1 1 1 X X X X X X X X X X X X X X X X X X X X
Reserved Commands: Any commands not specifically listed above are reserved for Maxim internal use only.