Datasheet

32
LTC1091/LTC1092
LTC1093/LTC1094
1091fa LT/TP 1099 2K REV A • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 1988
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear-tech.com
PART NUMBER DESCRIPTION COMMENTS
LTC1090 10-Bit, 8-Channel ADC Serial I/O, 1.5mA Supply Current
LTC1291/LTC1292 12-BIT, 2-Channel and Differential ADCs Pin Compatible Upgrades to LTC1091/LTC1092
LTC1293/LTC1294 12-Bit, 6- and 8-Channel ADCs Pin Compatible Upgrades to LTC1093/LTC1094
RELATED PARTS
LT1021-5
5V
MISO
MOSI
C0
SCK
C1
10k
10k
9V
ISOLATION
BARRIER
4N28s
51k
51k
51k
51k
300Ω
5.1k
× 3
5V
5V
5V
5V
51k
5.1k
10k
10k
10k
10k
150Ω
150Ω
150Ω
150Ω
4N28
TO ADDITIONAL
LTC1094s
NC
4N28
*SOLID TANTALUM
**MC68HC05 CODE AVAILABLE FROM
LINEAR TECHNOLOGY
10µF*
1Ω
8 ANALOG
INPUTS
0V TO 5V
RANGE
TO
68HC05**
10k
LT1091-4 TA06
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
DGND
DV
CC
AV
CC
CLK
CS
D
OUT
D
IN
REF
+
REF
–
AGND
V
–
LTC1094
2N3906
2N3904
2N3906
+
TYPICAL APPLICATION
U
Micropower, 500V Optoisolated, Multichannel, 10-Bit Data
Acquisition System Is Accessed Once Every Two Seconds