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