MAX1204 Maxim, MAX1204 Datasheet - Page 20

• Manufacturer Part Number: MAX1204
• Description: 5v / 8-cHANNEL / sERIAL / 10-bIT adc WITH 3v dIGITAL iNTERFACE
• Manufacturer: Maxim

5V, 8-Channel, Serial, 10-Bit ADC
with 3V Digital Interface
Figure 15. Unipolar Transfer Function, 4.096V = Full Scale
Figure 16. Bipolar Transfer Function, ±4.096V/2 = Full Scale
20
011 . . . 111
011 . . . 110
000 . . . 010
000 . . . 001
000 . . . 000
111 . . . 111
111 . . . 110
111 . . . 101
100 . . . 001
100 . . . 000
11 . . . 111
11 . . . 110
00 . . . 011
00 . . . 010
11 . . . 101
00 . . . 001
00 . . . 000
______________________________________________________________________________________
OUTPUT CODE
OUTPUT CODE
0
FS = +4.096V
1LSB = +4.096V
-FS
1
INPUT VOLTAGE (LSBs)
2
2
1024
3
INPUT VOLTAGE (LSBs)
FULL-SCALE
TRANSITION
0V
FS - 3/2LSB
FS = +4.096V
1LSB = FS
+FS - 1LSB
FS
1024
Figure 17. Reference-Adjust Circuit
Figure 18. Power-Supply Grounding Connection
*OPTIONAL
V
+5V
100k
DD
R* = 10
+5V
24k
GND
MAX1204
510k
0.01µF
SUPPLIES
V
-5V
SS
VL
12
MAX1204
REFADJ
+3V
+3V
CIRCUITRY
DIGITAL
DGND
GND