LTC2498IUHF#PBF Linear Technology, LTC2498IUHF#PBF Datasheet - Page 12
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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
Functional block DiagraM
test circuits
GND
V
CC
SDO
CH15
REF
REF
COM
CH0
CH1
+
–
Hi-Z TO V
V
V
1.69k
OL
OH
TO V
TO Hi-Z
•
•
•
OH
OH
SENSOR
TEMP
MUX
MUXOUTP
MUXOUTN
C
LOAD
2498 TC01
= 20pF
ADCINP
ADCINN
Figure 1. Functional Block Diagram
ΔΣ MODULATOR
–
DIFFERENTIAL
3RD ORDER
+
AUTOCALIBRATION
DECIMATING FIR
AND CONTROL
ADDRESS
SDO
Hi-Z TO V
V
V
OSCILLATOR
INTERFACE
OH
OL
INTERNAL
SERIAL
V
TO Hi-Z
TO V
CC
2498 BD
1.69k
C
OL
OL
LOAD
2498 TC02
= 20pF
f
(INT/EXT)
SDI
SCK
SDO
CS
O
2498fe