LTC2442IG Linear Technology, LTC2442IG Datasheet - Page 28

• Manufacturer Part Number: LTC2442IG
• Description: IC,A/D CONVERTER,SINGLE,24-BIT,CMOS,SSOP,36PIN
• Manufacturer: Linear Technology

LTC2442
APPLICATIO S I FOR ATIO
28
V
IN2
40k
30k
R1
R6
V
IN1
5V
R3
5k
2
LTC2050HV
IN
GND
U
3
4
LT1236N
R4
5k
–
U3
+
10k
R9
4
TRIM
U
–5V
U2
OUT
6
2
5V
6
5
5
R10
7.5k
1
W
1k
R20
4.7k
C15
Figure 20. Scaling Inputs for ±10V Range
–2.5V
8.88k
REF
C14
0.1k
R5
+
U
C10
0.1k
REF
–2.5V
+
C13
–2.5V
0.1
SDO
5V
30
31
28
10
11
12
13
17
18
6
7
8
9
2.5V
REF
REF
CH0
CH1
CH2
CH3
COM
ADCINB
ADCINA
OUTA
–INA
OUTB
–INB
GND GND GND
4
R21
+
–
5k
5
29
SCK
C17
SDI
LTC2442
V
0.1
CS
CC
U1
32
MMBT3904
MUXOUTB
V
MUOUTA
+
21
BUSY
+INA
+INB
24
SCK
SD0
EXT
5V
SDI
CS
F
V
O
–
35
1
36
33
2
34
3
27
26
25
19
0.1
C9
1.8k
R22
0.1
C8
–5V
–2.5V
–2.5V
2.5V
12
13
11
10
2
1
5
3
6
9
X0
X1
Y0
Y1
Z0
Z1
INH
74HC4053
A
B
C
U4
GND
V
V
CC
EE
X
Y
Z
14
15
4
5V
–2.5
2442f