LTC2428IG#TR Linear Technology, LTC2428IG#TR Datasheet - Page 18
![IC ADC 20BIT 8CH MICROPWR 28SSOP](/photos/6/59/65971/161-28-ssop_sml.jpg)
LTC2428IG#TR
Manufacturer Part Number
LTC2428IG#TR
Description
IC ADC 20BIT 8CH MICROPWR 28SSOP
Manufacturer
Linear Technology
Datasheet
1.LTC2424CGPBF.pdf
(36 pages)
Specifications of LTC2428IG#TR
Number Of Bits
20
Sampling Rate (per Second)
7.5
Data Interface
MICROWIRE™, Serial, SPI™
Number Of Converters
1
Power Dissipation (max)
1mW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-SSOP (0.200", 5.30mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
APPLICATIONS
LTC2424/LTC2428
18
Figure 12a. Digitized Waveform with 2V DC Offset
Figure 12c. Digitized Waveform with No Offset
–0.05
–0.10
–0.15
–0.20
–0.05
–0.10
–0.15
–0.20
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
0.20
0.15
0.10
0.05
0
0
0
0
V
V
IN
IN
Figure 11a. Digitized Waveform
= 300mV
= 300mV
0.5
0.5
500ms
0.5
U
P-P
P-P
Figure 12. Using the LTC2424/LTC2428’s High Accuracy Wide Dynamic Range
to Digitize a 300mV
1
1
+ 2V DC
+ 0V DC
INFORMATION
TIME (SEC)
TIME (SEC)
1
TIME (SEC)
U
1.5
1.5
1.5
2
2
W
2
2.5
2.5
f
IN
24248 F12a
24248 F12c
24248 F11a
P-P
= 2Hz
Figure 11. Transient Signal Acquisition
2.5
15Hz Waveform with a Large DC Offset (V
U
Figure 12b. FFT Waveform with 2V DC Offset
–100
–100
–120
–120
–100
–120
Figure 12d. FFT Waveform with No Offset
–20
–40
–80
–20
–40
–80
–60
–60
–20
–40
–60
–80
0
0
0
0
0
0
CC
Figure 11b. Output FFT
= 5V, V
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
REF
25
25
25
= 5V)
15Hz
100sps
2V OFFSET
15Hz
100sps
0V OFFSET
2Hz
100sps
0V OFFSET
24248 F12b
24248 F12d
24248 F11b
50
50
50