Datasheet
2
LTC2404/LTC2408
ORDER
PART NUMBER
Consult factory for Military grade parts.
(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
LTC2404CG
LTC2404IG
Operating Temperature Range
LTC2404C/LTC2408C .............................. 0°C to 70°C
LTC2404I/LTC2408I ........................... –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ORDER
PART NUMBER
LTC2408CG
LTC2408IG
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) 0.1V ≤ V
REF
≤ V
CC
, (Note 5) ● 24 Bits
Integral Nonlinearity V
REF
= 2.5V (Note 6) ● 2 10 ppm of V
REF
V
REF
= 5V (Note 6) ● 4 15 ppm of V
REF
Offset Error 2.5V ≤ V
REF
≤ V
CC
● 0.5 2 ppm of V
REF
Offset Error Drift 2.5V ≤ V
REF
≤ V
CC
0.01 ppm of V
REF
/°C
Full-Scale Error 2.5V ≤ V
REF
≤ V
CC
● 4 10 ppm of V
REF
Full-Scale Error Drift 2.5V ≤ V
REF
≤ V
CC
0.02 ppm of V
REF
/°C
Total Unadjusted Error V
REF
= 2.5V 5 ppm of V
REF
V
REF
= 5V 10 ppm of V
REF
Output Noise V
IN
= 0V (Note 13) 1.5 µV
RMS
Normal Mode Rejection 60Hz ±2% (Note 7) ● 110 130 dB
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Notes 3, 4)
T
JMAX
= 125°C, θ
JA
= 130°C/W
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
U
CONVERTER CHARACTERISTICS
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
V
REF
ADCIN
GND
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
V
REF
ADCIN
GND
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