MX674A MAXIM [Maxim Integrated Products], MX674A Datasheet - Page 15

• Manufacturer Part Number: MX674A
• Description: Industry-Standard, Complete 12-Bit ADCs
• Manufacturer: MAXIM [Maxim Integrated Products]

Figure 12. Ideal Unipolar Transfer Function
Figure 13. Unipolar Input Connections
*ADDITIONAL PINS OMITTED FOR CLARITY
OFFSET
1111 1111 1111
1111 1111 1110
1111 1111 1101
0000 0000 0011
0000 0000 0010
0000 0000 0001
0000 0000 0000
100kI
ANALOG
INPUTS
+12V TO +15V
-12V TO -15V
R
1
OUTPUT CODE
0 TO +10V
0 TO +20V
0
100kI
���������������������������������������������������������������� Maxim Integrated Products 15
100I
1
GAIN
100I
Industry-Standard, Complete 12-Bit ADCs
R
2
2
3
FS = 4069 LSBs
REFOUT
REFIN
BIPOFF
10V
20V
AGND
IN
IN
MAX174*
MX574A
MX674A
FS-1
FULL-SCALE
TRANSITION
FS
MAX174/MX574A/MX674A
Figure 14. Ideal Bipolar Transfer Function
Figure 15. Bipolar Input Connections
ANALOG
*ADDITIONAL PINS OMITTED FOR CLARITY
INPUTS
1111 1111 1111
1111 1111 1110
1111 1111 1101
1000 0000 0001
1000 0000 0000
0111 1111 1111
0111 1111 1110
0000 0000 0011
0000 0000 0010
0000 0000 0001
0000 0000 0000
OUTPUT CODE
Q10V
Q5V
-
FS
2
-
ANALOG INPUT VOLTAGE IN LSBs
FS
OFFSET
2
100I
100I
GAIN
R
R
-
+1
2
1
FS
2
+2
FS = 4069 LSBs
-2 -1
REFIN
REFOUT
BIPOFF
10V
20V
AGND
0
IN
IN
1 FS
MAX174*
MX574A
MX674A
2
2
FS
2
1
FS
2