LTC2420IS8 Linear Technology, LTC2420IS8 Datasheet - Page 28
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LTC2420IS8
Manufacturer Part Number
LTC2420IS8
Description
IC ADC 20BIT MICROPOWER 8SOIC
Manufacturer
Linear Technology
Datasheet
1.LTC2420CS8.pdf
(36 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LTC2420IS8
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LTC2420IS8#PBF
Manufacturer:
Linear
Quantity:
1 200
Part Number:
LTC2420IS8#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
APPLICATIO S I FOR ATIO
LTC2420
28
–0.05
–0.10
–0.15
–0.20
–0.05
–0.10
–0.15
–0.20
34a. Digitized Waveform with 2V DC Offset
0.20
0.15
0.10
0.05
2.20
2.15
2.10
2.05
2.00
1.95
1.90
1.85
1.80
0.20
0.15
0.10
0.05
0.00
34c. Digitized Waveform with No Offset
0
V
V
IN
IN
= 300mV
= 300mV
500ms
33a. Digitized Waveform
U
P-P
P-P
Figure 34. Using the LTC2420’s High Accuracy Wide Dynamic Range to Digitize
a 300mV
+ 2V DC
+ 0V DC
U
TIME
TIME
TIME
P-P
15Hz Waveform with a Large DC Offset (V
W
f
IN
2420 F34a
2420 F33a
2420 F34c
= 2Hz
Figure 33. Transient Signal Acquisiton
U
–100
–120
–100
–100
–20
–40
–80
–120
–120
–60
CC
–20
–40
–80
–20
–40
–80
–60
–60
0
34b. FFT Waveform with 2V DC Offset
0
0
= 5V, V
34d. FFT Waveform with No Offset
REF
33b. Output FFT
= 5V)
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
2Hz
100sps
0V OFFSET
15Hz
100sps
2V OFFSET
15Hz
100sps
0V OFFSET
2420 F33b
2420 F34b
2420 F34d