LTC2498IUHF#PBF Linear Technology, LTC2498IUHF#PBF Datasheet - Page 35
![IC ADC 24BIT 16CH 38-QFN](/photos/6/59/65970/ltc2498iuhf_pbf_sml.jpg)
LTC2498IUHF#PBF
Manufacturer Part Number
LTC2498IUHF#PBF
Description
IC ADC 24BIT 16CH 38-QFN
Manufacturer
Linear Technology
Datasheet
1.LTC2498CUHFPBF.pdf
(38 pages)
Specifications of LTC2498IUHF#PBF
Number Of Bits
24
Sampling Rate (per Second)
7.5
Data Interface
MICROWIRE™, Serial, SPI™
Number Of Converters
1
Power Dissipation (max)
480µW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
38-WFQFN, Exposed Pad
Number Of Elements
1
Resolution
24Bit
Architecture
Delta-Sigma
Sample Rate
0.008KSPS
Input Polarity
Bipolar
Input Type
Voltage
Rated Input Volt
±2.75V
Differential Input
Yes
Power Supply Requirement
Single
Single Supply Voltage (typ)
3.3/5V
Single Supply Voltage (min)
2.7V
Single Supply Voltage (max)
5.5V
Dual Supply Voltage (typ)
Not RequiredV
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Integral Nonlinearity Error
10ppm of Vref
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
38
Package Type
QFN EP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
applications inForMation
–10
20
15
10
–5
5
0
Figure 36. Offset Error vs Output Data
Rate and Reference Voltage
0
V
V
f
T
O
A
IN(CM)
IN
10
= EXT CLOCK
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
= 0V
20 30
V
= V
CC
REF(CM)
= 5V, V
40
REF
V
CC
50
= 2.5V
= V
60
REF
70
= 5V
80
90 100
2480 F36
Figure 37. Resolution (Noise
vs Output Data Rate and Reference
Voltage
24
22
20
18
16
14
10
12
0
V
V
f
T
RES = LOG 2 (V
V
O
IN(CM)
IN
A
CC
10
= EXT CLOCK
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
= 0V
= 5V, V
20 30
= V
REF(CM)
REF
REF
= 2.5V
40
/NOISE
50
V
CC
60
RMS
= V
)
70
REF
RMS
80
= 5V
≤ 1LSB)
90 100
2498 F37
22
20
14
10
18
16
12
Figure 38. Resolution (INL
vs Output Data Rate and Reference
Voltage
0
V
V
REF
f
T
RES = LOG 2 (V
V
O
A
IN(CM)
IN
CC
10
= EXT CLOCK
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
= 0V
–
= 5V, V
= GND
20 30
= V
REF(CM)
REF
= 2.5V
REF
40
/INL
LTC2498
50
MAX
V
60
CC
)
= V
70
MAX
REF
80
= 5V
≤ 1LSB)
90 100
2498 F38
2498fe