Datasheet

ADS7808
9
SBAS018A
www.ti.com
With Trim
Input Range Without Trim (Adjust offset first at 0V, then adjust gain)
FIGURE 4a. Offset/Gain Circuits for Unipolar Input Ranges.
0V – 10V
0V – 5V
0V – 4V
200Ω
AGND2
REF
CAP
R2
IN
AGND1
R1
IN
R3
IN
100Ω
2.2µF
2.2µF
V
IN
33.2kΩ
+
+
200Ω
AGND2
REF
CAP
R2
IN
AGND1
R1
IN
V
IN
R3
IN
100Ω
33.2kΩ
2.2µF
2.2µF
+
+
200Ω
AGND2
REF
CAP
R2
IN
AGND1
R1
IN
R3
IN
100Ω
2.2µF
V
IN
+5V
+5V
33.2kΩ
2.2µF
576kΩ
50kΩ
50kΩ
+
+
200Ω
AGND2
REF
CAP
R2
IN
AGND1
R1
IN
V
IN
R3
IN
100Ω
33.2kΩ
2.2µF
2.2µF
+5V
50kΩ
50kΩ
576kΩ
+5V
+
+
200Ω
AGND2
REF
CAP
R2
IN
AGND1
R1
IN
R3
IN
100Ω
2.2µF
2.2µF
V
IN
33.2kΩ
+
+
200Ω
AGND2
REF
CAP
R2
IN
AGND1
R1
IN
R3
IN
100Ω
2.2µF
V
IN
+5V
+5V
33.2kΩ
576kΩ
50kΩ
50kΩ
2.2µF
+
+