LTC2498IUHF#PBF Linear Technology, LTC2498IUHF#PBF Datasheet - Page 8
![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
LTC2498
typical perForMance characteristics
–100
–120
–140
–20
–60
310
308
306
304
302
300
–40
–80
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
–45 –30
–45
0
On-Chip Oscillator Frequency
vs Temperature
PSRR vs Frequency at V
Sleep Mode Current
vs Temperature
V
V
IN
IN
f
T
f
CS = V
SCK = NC
SDO = NC
SDI = GND
V
V
V
V
f
O
O
O
CC
REF
A
CC
REF
IN
IN(CM)
+
–
20
–30
= GND
= GND
= GND
= 25°C
= GND
= GND
= 0V
= 4.1V DC ±1.4V
= 4.1V
= 2.5V
= 2.5V
40 60
CC
–15
–15
= GND
FREQUENCY AT V
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
80
V
V
CC
100
15
15
CC
= 2.7V
= 5V
120
30
30
140
CC
45
45
(Hz)
160
CC
60
60
180
75
200
75
2498 G19
2498 G22
2498 G25
220
90
90
–120
–140
–100
310
308
306
304
302
300
500
450
400
350
300
250
200
150
100
–20
–40
–60
–80
30600
0
2.5
0
On-Chip Oscillator Frequency
vs V
PSRR vs Frequency at V
Conversion Current
vs Output Data Rate
V
V
IN
IN
f
T
V
IN
IN
SCK = NC
SDO = NC
SDI = GND
CS GND
f
T
O
O
A
CC
REF
A
REF
+
–
+
–
10
= EXT OSC
= GND
= 25°C
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
= GND
= GND
= GND
= GND
CC
= 4.1V DC ±0.7V
3.0
= 2.5V
= V
20
30650
CC
FREQUENCY AT V
30
3.5
40
V
30700
CC
4.0
50
(V)
60
V
CC
CC
4.5
V
V
V
V
f
T
70
(Hz)
O
= 5V
CC
30750
A
REF
IN
IN(CM)
CC
= GND
= 25°C
= 0V
= 3V
80
= 2.5V
5.0
= GND
90
2498 G20
2498 G23
2498 G26
30800
100
5.5
–100
–120
–140
–20
–40
–60
–80
200
180
160
140
100
120
–1
–2
–3
0
3
2
1
0
–2.5
–45
1
Conversion Current
vs Temperature
PSRR vs Frequency at V
Integral Nonlinearity (2x Speed
Mode; V
f
CS = GND
SCK = NC
SDO = NC
SDI = GND
V
V
IN
IN
f
T
O
O
CC
REF
A
–30
+
–
–2
= GND
= GND
= 25°C
= GND
= GND
= 4.1V DC
10
= 2.5V
–1.5
–15
FREQUENCY AT V
CC
–1
TEMPERATURE (°C)
INPUT VOLTAGE (V)
100
0
= 5V, V
–0.5
V
V
15
CC
CC
1k
= 2.7V
0
= 5V
REF
30
25°C, 90°C
0.5
CC
= 5V)
10k
45
V
V
V
f
(Hz)
O
1
–45°C
CC
REF
IN(CM)
CC
= GND
60
= 5V
1.5
= 5V
100k
= 2.5V
75
2498 G21
2498 G24
2498 G27
2
2498fe
1M
90
2.5