Datasheet

26
LTC1293/LTC1294/LTC1296
129346fs
U
SA
O
PP
L
IC
AT
ITY
P
I
CA
L
Micropower, 5000V Opto-Isolated, Multichannel,12-Bit Data
Acquisition System is Accessed Once Every Two Seconds
LT1027
5V
MISO
MOSI
C0
SCK
C1
10k
10k
9V
ISOLATION
BARRIER
4N28s
51k
51k
51k
51k
300Ω
5.1k
(3)
2N3906
5V
5V
5V
5V
51k
5.1k
10k
10k
10k
10k
150Ω
150Ω
150Ω
150Ω
4N28
TO ADDITIONAL
LTC1294s
NC
4N28
*SOLID TANTALUM
10µF*
8
ANALOG
INPUTS
0–5V RANGE
2N3904
2N3906
TO
68HC11
10k
LT1292 TA02
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
DGND
DV
CC
AV
CC
CLK
CS
D
OUT
D
IN
REF
+
REF
–
AGND
V
–
LTC1294