Datasheet

2
LTC2401/LTC2402
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
LTC2401CMS
LTC2401IMS
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
UUW
1
2
3
4
5
V
CC
FS
SET
CH1
CH0
ZS
SET
10
9
8
7
6
F
O
SCK
SDO
CS
GND
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Operating Temperature Range
LTC2401/LTC2402C ................................ 0°C to 70°C
LTC2401/LTC2402I ............................ –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ORDER PART NUMBER
MS10 PART MARKING
LTC2402CMS
LTC2402IMS
LTMD
LTME
MS10 PART MARKING
LTMB
LTMC
T
JMAX
= 125°C, θ
JA
= 130°C/W
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution ● 24 Bits
No Missing Codes Resolution 0.1V ≤ FS
SET
≤ V
CC
, ZS
SET
= 0V (Note 5) ● 24 Bits
Integral Nonlinearity FS
SET
= 2.5V, ZS
SET
= 0V (Note 6) ● 2 10 ppm of V
REF
FS
SET
= 5V, ZS
SET
= 0V (Note 6) ● 4 15 ppm of V
REF
Offset Error 2.5V ≤ FS
SET
≤ V
CC
, ZS
SET
= 0V ● 0.5 2 ppm of V
REF
Offset Error Drift 2.5V ≤ FS
SET
≤ V
CC
, ZS
SET
= 0V 0.01 ppm of V
REF
/°C
Full-Scale Error 2.5V ≤ FS
SET
≤ V
CC
, ZS
SET
= 0V ● 4 10 ppm of V
REF
Full-Scale Error Drift 2.5V ≤ FS
SET
≤ V
CC
, ZS
SET
= 0V 0.04 ppm of V
REF
/°C
Total Unadjusted Error FS
SET
= 2.5V, ZS
SET
= 0V 5 ppm of V
REF
FS
SET
= 5V, ZS
SET
= 0V 10 ppm of V
REF
Output Noise V
IN
= 0V (Note 13) 3 µV
RMS
Normal Mode Rejection 60Hz ±2% (Note 7) ● 110 130 dB
Normal Mode Rejection 50Hz ±2% (Note 8) ● 110 130 dB
Power Supply Rejection, DC FS
SET
= 2.5V, ZS
SET
= 0V, V
IN
= 0V 100 dB
Power Supply Rejection, 60Hz ±2% FS
SET
= 2.5V, ZS
SET
= 0V, V
IN
= 0V, (Notes 7, 15) 110 dB
Power Supply Rejection, 50Hz ±2% FS
SET
= 2.5V, ZS
SET
= 0V, V
IN
= 0V, (Notes 8, 15) 110 dB
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
REF
= FS
SET
– ZS
SET
. (Notes 3, 4)
CONVERTER CHARACTERISTICS
U
1
2
3
4
5
V
CC
FS
SET
V
IN
NC
ZS
SET
10
9
8
7
6
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F
O
SCK
SDO
CS
GND