LTC2420IS8 Linear Technology, LTC2420IS8 Datasheet - Page 2

• Manufacturer Part Number: LTC2420IS8
• Description: IC ADC 20BIT MICROPOWER 8SOIC
• Manufacturer: Linear Technology

Specifications of LTC2420IS8

• Number Of Bits: 20
• Sampling Rate (per Second): 7.5
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 2
• Power Dissipation (max): 1mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ABSOLUTE
(Notes 1, 2)
CONVERTER CHARACTERISTICS
LTC2420
temperature range, otherwise specifications are at T
PARAMETER
Resolution (No Missing Codes)
Integral Nonlinearity
Integral Nonlinearity (Fast Mode)
Offset Error
Offset Error (Fast Mode)
Offset Error Drift
Full-Scale Error
Full-Scale Error (Fast Mode)
Full-Scale Error Drift
Total Unadjusted Error
Output Noise
Output Noise (Fast Mode)
Normal Mode Rejection 60Hz 2%
Normal Mode Rejection 50Hz 2%
Power Supply Rejection, DC
Power Supply Rejection, 60Hz 2%
Power Supply Rejection, 50Hz 2%
Supply Voltage (V
Analog Input Voltage to GND ....... – 0.3V to (V
Reference Input Voltage to GND .. – 0.3V to (V
Digital Input Voltage to GND ........ – 0.3V to (V
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
2
LTC2420C ............................................... 0 C to 70 C
LTC2420I ............................................ – 40 C to 85 C
U
W
CC
MAXIMUM
) to GND .......................– 0.3V to 7V
W W
CONDITIONS
0.1V V
V
V
V
2.5V V
2.5V < V
2.5V V
2.5V V
2.5V < V
2.5V V
V
V
V
V
(Note 7)
(Note 8)
V
V
V
REF
REF
REF
REF
REF
IN
REF
REF
REF
REF
= 0V (Note 13)
= 2.5V (Note 6)
= 5V (Note 6)
= 5V, V
= 2.5V
= 5V
= 5V, 100 Samples/Second, f
= 2.5V, V
= 2.5V, V
= 2.5V, V
REF
REF
REF
REF
REF
REF
REF
RATINGS
< 5V, 100 Samples/Second, f
< 5V, 100 Samples/Second, f
REF
V
V
V
V
V
IN
IN
IN
CC
CC
CC
CC
CC
= 2.5V, 100 Samples/Second, f
= 0V
= 0V, (Notes 7, 15)
= 0V, (Notes 8, 15)
, (Note 5)
U
A
CC
CC
CC
CC
= 25 C. (Notes 3, 4)
+ 0.3V)
+ 0.3V)
+ 0.3V)
+ 0.3V)
The
O
denotes specifications which apply over the full operating
= 2.048MHz
PACKAGE/ORDER
Consult factory for Military grade parts.
O
O
= 2.048MHz
= 2.048MHz
V
GND
V
O
REF
V
CC
IN
T
= 2.048MHz
JMAX
1
2
3
4
8-LEAD PLASTIC SO
= 125 C,
S8 PACKAGE
TOP VIEW
JA
= 130 C/W
8
7
6
5
MIN
110
110
20
F
SCK
SDO
CS
O
INFORMATION
0.04
0.04
TYP
130
130
100
110
110
0.5
40
10
16
20
U
ORDER PART NUMBER
4
8
3
4
8
6
S8 PART MARKING
LTC2420CS8
LTC2420IS8
MAX
250
10
20
10
10
2420
2420I
W
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
UNITS
REF
REF
U
V
V
RMS
RMS
Bits
REF
REF
REF
REF
REF
/ C
REF
REF
/ C
REF
REF
dB
dB
dB
dB
dB