User`s manual
Exp-A/D1254 s Getting Started
Exp-A/D12 Components
The Exp-A/D12 expansion boards offers eight channels of analog-to-
digital conversion. Figure 6-1 shows the basic layout and orientation of
components, headers, and connectors.
Figure 6-1. Exp-A/D12 Board Layout
C11
Power
+5 V
U6
Latch
P1
PAL
U13
P2
H1 H2 H5
U8
J2
J1
PAL
U7
EEPROM
U9
J3
ADC
Prec.
+2.5 V
U1
U4
C1 C2
C3
MUX
U11
MUX
U12
J4
Op Amps
U2
Op Amps
U3
C3
C6
C5
C4
C50
U5
U10
High-Side
Switch
(not used)
RP3
RP1
RP2
R8
R9
R10
R11
R13
R12
U14
C10
C12
C13
C14
RN2
RN3
-5 V
J5