LTC2435-1CGN#PBF Linear Technology, LTC2435-1CGN#PBF Datasheet - Page 31
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LTC2435-1CGN#PBF
Manufacturer Part Number
LTC2435-1CGN#PBF
Description
IC ADC DIFF I/REF 20BIT 16-SSOP
Manufacturer
Linear Technology
Datasheet
1.LTC2435-1CGN.pdf
(40 pages)
Specifications of LTC2435-1CGN#PBF
Number Of Bits
20
Sampling Rate (per Second)
13.75
Data Interface
MICROWIRE™, Serial, SPI™
Number Of Converters
2
Power Dissipation (max)
1mW
Voltage Supply Source
Single Supply
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SSOP (0.150", 3.90mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
APPLICATIO S I FOR ATIO
Figure 28. – FS Error vs Output Data Rate and Temperature
Figure 32. Resolution (Noise
vs Output Data Rate and Reference Voltage
Figure 30. Resolution (INL
vs Output Data Rate and Temperature
–200
–220
–240
–260
–280
–300
–320
–340
–360
–380
–400
22
21
20
19
18
17
16
15
21
20
19
18
17
16
15
14
0
0
0
V
V
REF
F
RES = LOG
V
V
F
V
V
REF
F
T
RES = LOG
O
CC
INCM
O
INCM
CC
O
A
INCM
IN
20 40 60 80 100 120 140 160 180 200
20 40 60 80 100 120 140 160 180 200
20
= EXT OSC
= EXT OSC
OUTPUT DATA RATE (READINGS/SEC)
= EXT OSC
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
OUTPUT DATA RATE (READINGS/SEC)
–
= V
= 0V
= V
–
U
= GND
= GND
= V
= V
= V
40
REF
REF
REFCM
REFCM
REFCM
2
2
= 5V
= 5V
60 80 100
(V
(V
REF
REF
U
/INL
/NOISE
T
A
MAX
= 25°C
T
V
A
RMS
CC
120 140 160 180 200
)
= 85°C
T
RMS
= V
)
A
RMS
W
V
V
= 25°C
REF
CC
REF
≤ 1LSB)
T
= 2.7V
= 5V
≤ 1LSB)
A
= 2.5V
= 85°C
2435 F30
2435 F28
2435 F32
U
Figure 33. Resolution (INL
vs Output Data Rate and Reference Voltage
Figure 29. Resolution (Noise
vs Output Data Rate and Temperature
–10
–20
–30
–40
–50
Figure 31. Offset Change* vs Output
Data Rate and Reference Voltage
22
21
20
19
18
17
16
15
50
40
30
20
10
21
20
19
18
17
16
15
14
0
0
0
0
LTC2435/LTC2435-1
* RELATIVE TO OFFSET AT
V
V
REF
F
T
RES = LOG
V
V
V
REF
F
RES = LOG
V
V
REF
F
T
O
A
O
O
INCM
IN
CC
INCM
IN
INCM
IN
A
NORMAL OUTPUT RATE
20
20
V
V
20 40 60 80 100 120 140 160 180 200
= EXT OSC
= 25°C
= EXT OSC
OUTPUT DATA RATE (READINGS/SEC)
= EXT OSC
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
OUTPUT DATA RATE (READINGS/SEC)
CC
REF
= 0V
–
= 0V
–
= 0V
–
= V
= GND
= GND
= GND
= V
= 2.7V
= V
40
= V
40
= 2.5V
REF
REFCM
REFCM
REFCM
2
V
2
60 80 100
60 80 100
= 5V
(V
CC
(V
REF
REF
= V
/NOISE
/INL
REF
MAX
= 5V
V
T
V
V
RMS
A
120 140 160 180 200
CC
120 140 160 180 200
CC
REF
)
MAX
= 85°C
= V
= 2.7V
)
T
= 2.5V
A
RMS
REF
≤ 1LSB)
= 25°C
= 5V
≤ 1LSB)
2435 F29
2435 F31
2435 F33
31
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