LT1218/LT1219
TYPICAL APPLICATION
5V
INPUTS
1 CH0
2 CH1
3 CH2
4 CH3
5
CH4
6 CH5
7 CH6
8 CH7
V+ 16
D 15
V– 14
DOUT
13
12
DIN
CS
11
CLK 10
GND 9
LTC1391
8-CHANNEL
MUX
GAIN
MUX
CHANNEL GAIN
0
1
1
2
2
4
3
8
4
16
5
32
6
64
7
128
8-Channel, 12-Bit Data Acquisition System with Programmable Gain
1µF 5V
1µF
+
LT1219L
–
0.1µF
64R
20 CH0
32R
21 CH1
16R
22 CH2
8R
23 CH3 8-CHANNEL
4R
24 CH4
MUX
2R
1 CH5
R
2 CH6
R
3 CH7
18 MUXOUT
8 COM
5V
17
16
15, 19
1µF
ADCIN
VREF VCC
12-BIT
+ SAMPLING
ADC
–
CSADC
CSMUX
CLK
DOUT
DIN
10
6
5, 14
11
7
LTC1598
GND
4, 9
12
NC
13
NC
1218/19 • TA05
µP/µC
RELATED PARTS
PART NUMBER DESCRIPTION
LTC®1152
Rail-to-Rail Input and Output, Zero-Drift Op Amp
LT1366/LT1367
LT1466/LT1467
Dual/Quad Precision, Rail-to-Rail Input and Output
Op Amps
Dual/Quad Micropower, Rail-to-Rail Input and Output
Op Amps
COMMENTS
High DC Accuracy, 10µV VOS(MAX), 100nV/°C Drift, 0.7MHz GBW, 0.5V/µs
Slew Rate, Maximum Supply Current 3mA
475µV VOS(MAX), 400kHz GBW, 0.13V/µs Slew Rate,
Maximum Supply Current 520µA per Op Amp
Maximum Supply Current 75µA per Op Amp, 390µV VOS(MAX),
120kHz Gain Bandwidth
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417q (408)432-1900
FAX: (408) 434-0507q TELEX: 499-3977 q www.linear-tech.com
12189f LT/TP 0697 7K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1997