LTC2498IUHF#PBF Linear Technology, LTC2498IUHF#PBF Datasheet - Page 6
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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
LTC2498
typical perForMance characteristics
–12
–1
–2
–3
12
–4
–8
14
12
10
3
2
1
0
8
4
0
0
8
6
4
2
–2.5
–2.5
–3
Integral Nonlinearity
(V
Total Unadjusted Error
(V
Noise Histogram (6.8sps)
10,000 CONSECUTIVE
READINGS
V
V
V
T
V
V
V
f
V
V
V
f
O
O
A
CC
CC
REF
IN
CC
REF
IN(CM)
CC
CC
REF
IN(CM)
–2
–45°C
–2
–2.4
= GND
= GND
= 25°C
85°C
= 0V
= 5V
= 5V
= 5V
= 5V
= 5V, V
= 5V, V
= 5V
= 5V
–1.5
–1.5
= 2.5V
= 2.5V
–1.8
OUTPUT READING (µV)
–1
–1
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
–1.2
REF
REF
–0.5
–0.5
25°C
= 5V)
= 5V)
–0.6
0
0
AVERAGE = –0.69µV
0.5
0.5
25°C
RMS = 0.60µV
0
1
1
0.6
–45°C
85°C
1.5
1.5
1.2
2498 G01
2498 G04
2498 G07
2
2
2.5
2.5
1.8
–12
–1
–2
–3
12
–4
–8
14
12
10
3
2
1
0
–1.25
8
4
0
–1.25
0
8
6
4
2
–3
Integral Nonlinearity
(V
Total Unadjusted Error
(V
Noise Histogram (7.5sps)
10,000 CONSECUTIVE
READINGS
V
V
V
T
V
V
V
f
V
V
V
f
O
O
A
CC
CC
REF
IN(CM)
CC
REF
IN
CC
CC
REF
IN(CM)
–2.4
= GND
= GND
= 25°C
= 0V
= 2.7V
= 5V
= 5V
–0.75
= 2.5V
= 5V, V
= 2.5V
–0.75
= 5V, V
= 5V
= 1.25V
= 1.25V
–1.8
OUTPUT READING (µV)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
–1.2
REF
–0.25
REF
–0.25
= 2.5V)
–45°C, 25°C, 90°C
= 2.5V)
–0.6
25°C
AVERAGE = –0.19µV
0.25
0.25
RMS = 0.59µV
0
0.6
85°C
0.75
–45°C
0.75
1.2
2498 G02
2498 G05
2498 G08
1.25
1.25
1.8
–12
–1
–2
–5
–1
–2
–3
12
–4
–8
–3
–4
3
2
1
0
8
4
0
5
4
3
2
1
0
–1.25
–1.25
0
Integral Nonlinearity
(V
Total Unadjusted Error
(V
Long-Term ADC Readings
V
T
V
V
V
f
V
V
V
f
O
O
A
CC
CC
REF
IN(CM)
CC
CC
REF
IN(CM)
CC
= 25°C, RMS NOISE = 0.60µV
= GND
= GND
= 5V, V
= 2.7V
= 2.7V
–0.75
–0.75
= 2.5V
= 2.7V, V
= 2.5V
10
= 2.7V, V
= 1.25V
= 1.25V
REF
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
20
–0.25
–0.25
TIME (HOURS)
= 5V, V
REF
REF
30
IN
= 2.5V)
= 2.5V)
–45°C, 25°C, 90°C
0.25
25°C
0.25
= 0V, V
40
IN(CM)
0.75
0.75
85°C
–45°C
50
= 2.5V
2498 G03
2498 G06
2498 G09
2498fe
1.25
1.25
60