LTC2431 Linear Technology, LTC2431 Datasheet - Page 2

• Manufacturer Part Number: LTC2431
• Description: (LTC2430 / LTC2431) 20-Bit No Latency Delta-Sigma ADCs
• Manufacturer: Linear Technology

ABSOLUTE AXI U RATI GS
ELECTRICAL CHARACTERISTICS
LTC2430/LTC2431
Supply Voltage (V
Analog Input Pins Voltage
to GND ......................................... – 0.3V to (V
Reference Input Pins Voltage
to GND ......................................... – 0.3V to (V
Digital Input Voltage to GND ........ – 0.3V to (V
PACKAGE/ORDER I FOR ATIO
temperature range, otherwise specifications are at T
PARAMETER
Resolution (No Missing Codes)
Integral Nonlinearity
Offset Error
Offset Error Drift
Positive Full-Scale Error
Positive Full-Scale Error Drift
Negative Full-Scale Error
Negative Full-Scale Error Drift
Total Unadjusted Error
Output Noise
Consult LTC Marketing for parts specified with wider operating temperature ranges.
2
REF
REF
GND
GND
GND
V
IN
IN
CC
+
–
+
–
T
JMAX
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
= 125 C,
GN PACKAGE
TOP VIEW
JA
CC
W
= 110 C/W
) to GND .......................– 0.3V to 7V
16
15
14
13
12
11
10
9
GND
GND
F
SCK
SDO
CS
GND
GND
CONDITIONS
0.1V V
4.5V V
5V V
REF
2.5V REF
GND IN
2.5V REF
GND IN
2.5V REF
IN
2.5V REF
IN
2.5V REF
IN
2.5V REF
IN
4.5V V
5V V
REF
5V V
GND IN
O
W W
+
+
+
+
+
= 0.75REF
= 0.75REF
= 0.25 • REF
= 0.25 • REF
+
= 2.5V, REF
= 2.5V, REF
CC
CC
CC
U
REF
CC
CC
+
+
–
ORDER PART NUMBER
+
+
+
+
+
+
= IN
= IN
= IN
5.5V, REF
5.5V, REF
5.5V, REF
GN PART MARKING
5.5V, REF
5.5V, REF
+
+
V
V
V
V
V
V
V
, IN
, IN
–
–
+
CC
CC
CC
CC
CC
CC
CC
+
+
LTC2430CGN
LTC2430IGN
–
, IN
, IN
–
, – 0.5 • V
, REF
, REF
, REF
, REF
, REF
, REF
= GND, V
–
–
= GND, V
V
V
5V, (Note 13)
W
CC
CC
= 0.25 • REF
= 0.25 • REF
–
–
+
+
+
2430
2430I
= 0.75 • REF
= 0.75 • REF
= 5V, REF
= 5V, REF
= 5V, V
+
(Note 14)
+
–
–
–
–
–
–
U
= 2.5V, REF
= 2.5V, REF
= GND,
= GND,
= GND,
= GND,
= GND,
= GND,
A
CC
CC
CC
REF
= 25 C. (Notes 3, 4)
INCM
INCM
REF
+ 0.3V)
+ 0.3V)
+ 0.3V)
–
–
+
+
The
V
= 1.25V (Note 6)
= 1.25V
– = GND,
= GND, V
= GND, V
IN
U
+
+
(Notes 1, 2)
–
–
= GND, V
= GND, V
0.5 • V
denotes specifications which apply over the full operating
INCM
INCM
Digital Output Voltage to GND ..... – 0.3V to (V
Operating Temperature Range
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
REF
INCM
INCM
REF
= 2.5V (Note 6)
= 2.5V
REF
LTC2430C/LTC2431C .............................. 0 C to 70 C
LTC2430I/LTC2431I ........................... – 40 C to 85 C
(Note 5)
V
IN
IN
CC
+
–
+
–
T
= 1.25V (Note 6)
= 1.25V
JMAX
10-LEAD PLASTIC MSOP
1
2
3
4
5
= 125 C,
MS PACKAGE
TOP VIEW
JA
= 120 C/W
10
9
8
7
6
F
SCK
SDO
CS
GND
O
MIN
20
ORDER PART NUMBER
TYP
2.8
0.1
0.1
10
50
10
10
15
MS PART MARKING
2
3
5
3
6
LTC2431CMS
LTC2431IMS
MAX
20
20
20
20
LTXD
LTXE
ppm of V
ppm of V
CC
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
+ 0.3V)
UNITS
REF
REF
nV/ C
V
24301f
Bits
RMS
REF
REF
REF
REF
/ C
REF
/ C
REF
REF
REF
V