Datasheet

LTC1852/LTC1853
22
18523fa
INPUT
CONFIGURATION:
ALL 8 CHANNELS
SINGLE ENDED
TO COM
CH0–CH7:
0V TO 4.096V
BUSY
DIFF
OUT
/S6
A2
OUT
/S5
A1
OUT
/S4
A0
OUT
/S3
D11/S2
D10/S1
D9/S0
D8
D7
D6
D5
D4
D3
D2
D1
D0
33
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
M1
M0
SHDN
CS
CONVST
RD
WR
DIFF
A2
A1
A0
UNI/BIP
PGA
48
36
47
46
45
44
43
42
41
40
39
38
37
OGND 34
18523 TA01
OV
DD
35
GND GND
1.6384X
REFCOMP
13 16
REFIN
REFOUT
12
11
10
2.5V
4.096V
COM
CH7
CH6
CH5
CH4
CH3
CH2
CH1
CH0
14
V
DD
9
8
7
6
5
4
3
2
1
15
0.1μF
V
DD
5V
10μF
1μF
0.1μF
10μF
0.1μF
10μF
2.7V TO V
DD
5V
5V
5V
CONVERT
CLOCK
OUTPUT
DRIVERS
DATA
LATCHES
REF AMP
8-CHANNEL
MULTIPLEXER
2.5V
REFERENCE
INTERNAL
CLOCK
LTC1853
CONTROL LOGIC
AND
PROGRAMMABLE
SEQUENCER
12-BIT
SAMPLING
ADC
+
–
LTC1853 Hardwired for 8-Channel Single-Ended Scan with Unipolar 0V to 4.096V Operation
TYPICAL APPLICATIONS