Datasheet

Input Range
±10 V
± 5 V
±3.3 V
Without Trim
With Trim
(Adjust Offset First at 0 V, Then Adjust Gain)
+
+
+
+
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
200 Ω
100 Ω
V
IN
33.2 kΩ
2.2 µF
2.2 µF
33.2 kΩ
200 Ω
100 Ω
2.2 µF
+5 V
50 kΩ
576 kΩ
2.2 µF
50 kΩ
+5 V
2.2 F
2.2 F
+
+
V
IN
200 Ω
V
IN
200 Ω
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
100 Ω
100 Ω
33.2 kΩ
33.2 kΩ
+5 V
+5 V
+
+
2.2 µF
2.2 µF
576 kΩ
50 kΩ
50 kΩ
2.2 F
2.2 F
+
+
V
IN
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
V
IN
200 Ω 200 Ω
100 Ω
100 Ω
33.2 kΩ
33.2 kΩ
+
+
2.2 µF
2.2 µF
576 kΩ
+5 V
50 kΩ
50 kΩ
+5 V
V
IN
ADS8509
SLAS324C –OCTOBER 2004–REVISED APRIL 2010 www.ti.com
Figure 30. Offset/Gain Circuits for Bipolar Input Ranges
22 Copyright © 2004–2010, Texas Instruments Incorporated
Product Folder Link(s): ADS8509