Datasheet

MAX1032/MAX1033
8- and 4-Channel, ±3 x V
REF
Multirange Inputs, Serial 14-Bit ADCs
20
Maxim Integrated
Table 6. Range-Select Bits
DIF/
SGL
R2 R1 R0 MODE TRANSFER FUNCTION
0 0 0 0 No Range Change* —
0001
Single-Ended
Bipolar (-3 x V
REF
)/4 to (+3 x V
REF
)/4
Full-Scale Range (FSR) = (3 x V
REF
)/2
Figure 12
0010
Single-Ended
Unipolar (-3 x V
REF
)/2 to 0
FSR = (3 x V
REF
)/2
Figure 13
0011
Single-Ended
Unipolar 0 to (+3 x V
REF
)/2
FSR = (3 x V
REF
)/2
Figure 14
0100
Single-Ended
Bipolar (-3 x V
REF
)/2 to (+3 x V
REF
)/2
FSR = 3 x V
REF
Figure 12
0101
Single-Ended
Unipolar (-3 x V
REF
)/2 to 0
FSR = 3 x V
REF
Figure 13
0110
Single-Ended
Unipolar 0V to (+3 x V
REF
)/2
FSR = 3 x V
REF
Figure 14
0111
DEFAULT SETTING
Single-Ended
Bipolar (-3 x V
REF
) to (+3 x V
REF
)
FSR = 6 x V
REF
Figure 12
1 0 0 0 No Range Change** —
1001
Differential
Bipolar (-3 x V
REF
)/2 to (+3 x V
REF
)/2
FSR = 3 x V
REF
Figure 12
1 0 1 0 Reserved —
1 0 1 1 Reserved —
1100
Differential
Bipolar -3 x V
REF
to +3 x V
REF
FSR = 6 x V
REF
Figure 12
1 1 0 1 Reserved —
1 1 1 0 Reserved —
1111
Differential
Bipolar -6 x V
REF
to +6 x V
REF
FSR = 12 x V
REF
Figure 12
* Conversion-Start Byte (see Table 3).
** Mode-Control Byte (see Table 3).