Datasheet

000
001
100
011
010
111
110
101
3
3
000
001
100
011
010
111
110
101
3
4R
4R
2R
2R
R
R
R
R
OAFBRx
OAxTAP
OAFCx
OAxR
BOTTOM
OA1R
BOTTOM
(OA0)
OA2R
BOTTOM
(OA1)
OA0R
BOTTOM
(OA2)
000
001
100
011
010
111
110
101
OAPMx
OAxOUT
OAx
+
−
A1 (OA0)
A3 (OA1)
A5 (OA2)
A12 (OA0)
A13 (OA1)
A14 (OA2)
001
else
OAFCx = 6
0
1
OANx = 3
OAPx = 3
OA1TAP (OA0)
OA2TAP (OA1)
OA0TAP (OA2)
OAxR
TOP
000
1
OAPx
OAxI0
OA0I1
00
01
10
11
OAxIA
OAxIB
OA2OUT (OA0)
OA0OUT (OA1)
OA1OUT (OA2)
0
1
OAFCx = 5
OANx
OAxI0
OAxI1
00
01
10
11
OAxIA
OAxIB
OANEXT
OAFCx = 6
OAxR
BOTTOM
A12/OA0O
A13/OA1O
A14/OA2O
A1/OA0O
A3/OA1O
A5/OA2O
OANx
OAxI0
OAxI1
00
01
10
11
OAxIA
AV
CC
1
0
OARRIP
0
1
OAFBRx > 0
1
OAFCx = 0
OAADCx
OAxFB
OA2OUT (OA0)
OA0OUT (OA1)
OA1OUT (OA2)
2
Feeback Switch Matrix
www.ti.com OA Operation
Figure 20-1. OA Block Diagram
20.2 OA Operation
The OA module is configured with user software. The setup and operation of the OA is discussed in the
following sections.
513
SLAU144J–December 2004–Revised July 2013 OA
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