AL Tech 8CH Manual de usuario Pagina 2

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2
LTC2424/LTC2428
ORDER
PART NUMBER
(Notes 1, 2)
Supply Voltage (V
CC
) to GND.......................0.3V to 7V
Analog Input Voltage to GND ....... 0.3V to (V
CC
+ 0.3V)
Reference Input Voltage to GND .. –0.3V to (V
CC
+ 0.3V)
Digital Input Voltage to GND........ –0.3V to (V
CC
+ 0.3V)
Digital Output Voltage to GND ..... –0.3V to (V
CC
+ 0.3V)
T
JMAX
= 125°C, θ
JA
= 130°C/W
LTC2424CG
LTC2424IG
Operating Temperature Range
LTC2424C/LTC2428C .............................. 0°C to 70°C
LTC2424I/LTC2428I ........................... 40°C to 85°C
Storage Temperature Range ................. 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ORDER
PART NUMBER
LTC2428CG
LTC2428IG
T
JMAX
= 125°C, θ
JA
= 130°C/W
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
U
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GND
V
CC
FS
SET
ADCIN
ZS
SET
GND
MUXOUT
V
CC
CH0
CH1
CH2
CH3
NC
NC
GND
GND
F
O
SCK
SDO
CSADC
GND
D
IN
CSMUX
CLK
GND
NC
GND
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GND
V
CC
FS
SET
ADCIN
ZS
SET
GND
MUXOUT
V
CC
CH0
CH1
CH2
CH3
CH4
CH5
GND
GND
F
O
SCK
SDO
CSADC
GND
D
IN
CSMUX
CLK
GND
CH7
GND
CH6
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) 0.1V V
REF
V
CC
, (Note 5) 20 Bits
Integral Nonlinearity V
REF
= 2.5V (Note 6) 4 10 ppm of V
REF
V
REF
= 5V (Note 6) 8 20 ppm of V
REF
Integral Nonlinearity (Fast Mode) 2.5V < V
REF
< V
CC
, 100 Samples/Second, f
O
= 2.051MHz 40 250 ppm of V
REF
Offset Error 2.5V V
REF
V
CC
0.5 10 ppm of V
REF
Offset Error (Fast Mode) 2.5V < V
REF
< 5V, 100 Samples/Second, f
O
= 2.051MHz 3 ppm of V
REF
Offset Error Drift 2.5V V
REF
V
CC
0.04 ppm of V
REF
/°C
Full-Scale Error 2.5V V
REF
V
CC
4 15 ppm of V
REF
Full-Scale Error (Fast Mode) 2.5V < V
REF
< 5V, 100 Samples/Second, f
O
= 2.051MHz 10 ppm of V
REF
Full-Scale Error Drift 2.5V V
REF
V
CC
0.04 ppm of V
REF
/°C
The denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Notes 3, 4)
CONVERTER CHARACTERISTICS
U
Consult factory for parts specified with wider operating temperature ranges.
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