Datasheet

LTC2412
2
2412f
ABSOLUTE AXI U RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UUW
ELECTRICAL CHARACTERISTICS
(Notes 1, 2)
ORDER PART NUMBER
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)
Operating Temperature Range
LTC2412C ............................................... 0°C to 70°C
LTC2412I............................................ –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
T
JMAX
= 125°C, θ
JA
= 110°C/W
LTC2412CGN
LTC2412IGN
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) 0.1V ≤ V
REF
≤ V
CC
, –0.5 • V
REF
≤ V
IN
≤ 0.5 • V
REF
, (Note 5) ● 24 Bits
Integral Nonlinearity 5V ≤ V
CC
≤ 5.5V, REF
+
= 2.5V, REF
–
= GND, V
INCM
= 1.25V, (Note 6) 1 ppm of V
REF
5V ≤ V
CC
≤ 5.5V, REF
+
= 5V, REF
–
= GND, V
INCM
= 2.5V, (Note 6) ● 2 14 ppm of V
REF
REF
+
= 2.5V, REF
–
= GND, V
INCM
= 1.25V, (Note 6) 5 ppm of V
REF
Offset Error 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, ● 0.5 2.5 µV
GND ≤ IN
+
= IN
–
≤ V
CC
, (Note 14)
Offset Error Drift 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, 10 nV/°C
GND ≤ IN
+
= IN
–
≤ V
CC
Positive Full-Scale Error 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, ● 2.5 12 ppm of V
REF
IN
+
= 0.75REF
+
, IN
–
= 0.25 • REF
+
Positive Full-Scale Error Drift 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, 0.03 ppm of V
REF
/°C
IN
+
= 0.75REF
+
, IN
–
= 0.25 • REF
+
Negative Full-Scale Error 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, ● 2.5 12 ppm of V
REF
IN
+
= 0.25 • REF
+
, IN
–
= 0.75 • REF
+
Negative Full-Scale Error Drift 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, 0.03 ppm of V
REF
/°C
IN
+
= 0.25 • REF
+
, IN
–
= 0.75 • REF
+
Total Unadjusted Error 5V ≤ V
CC
≤ 5.5V, REF
+
= 2.5V, REF
–
= GND, V
INCM
= 1.25V 3 ppm of V
REF
5V ≤ V
CC
≤ 5.5V, REF
+
= 5V, REF
–
= GND, V
INCM
= 2.5V 3 ppm of V
REF
REF
+
= 2.5V, REF
–
= GND, V
INCM
= 1.25V, (Note 6) 4 ppm of V
REF
Output Noise 5V ≤ V
CC
≤ 5.5V, REF
+
= 5V, REF
–
= GND, 0.8 µV
RMS
GND ≤ IN
–
= IN
+
≤ V
CC
, (Note 13)
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Notes 3, 4)
GN PART MARKING
2412
2412I
TOP VIEW
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
REF
+
REF
–
CH0
+
CH0
–
CH1
+
CH1
–
GND
GND
GND
F
O
SCK
SDO
CS
GND
GND
Consult LTC Marketing for parts specified with wider operating temperature ranges.