LTC2498IUHF#PBF Linear Technology, LTC2498IUHF#PBF Datasheet - Page 2

• Manufacturer Part Number: LTC2498IUHF#PBF
• Description: IC ADC 24BIT 16CH 38-QFN
• Manufacturer: Linear Technology

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

absolute MaxiMuM ratings
LTC2498
(Notes 1, 2)
Supply Voltage (V
Analog Input Voltage
Reference Input Voltage
Digital Input Voltage ......................–0.3V to (V
Digital Output Voltage ...................–0.3V to (V
Operating Temperature Range
Storage Temperature Range ................... –65°C to 150°C
orDer inForMation
LEAD FREE FINISH
LTC2498CUHF#PBF
LTC2498IUHF#PBF
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifications, go to:
electrical characteristics (norMal speeD)
apply over the full operating temperature range, otherwise specifications are at T
PARAMETER
Resolution (No Missing Codes)
Integral Nonlinearity
Offset Error
Offset Error Drift
Positive Full-Scale Error
Positive Full-Scale Error Drift
Negative Full-Scale Error

(CH0 to CH15, COM) ................–0.3V to (V
ADCINN, ADCINP , MUXOUTP ,
MUXOUTN ................................–0.3V to (V
LTC2498C ................................................ 0°C to 70°C
LTC2498I.............................................. –40°C to 85°C
CC
) ................................... –0.3V to 6V
TAPE AND REEL
LTC2498CUHF#TRPBF
LTC2498IUHF#TRPBF
CONDITIONS
0.1V ≤ V
5V ≤ V
2.7V ≤ V
2.5V ≤ V
2.5V ≤ V
2.5V ≤ V
2.5V ≤ V
2.5V ≤ V
CC
REF
CC
REF
REF
REF
REF
REF
≤ 5.5V, V
≤ 5.5V, V
≤ V
≤ V
≤ V
≤ V
≤ V
≤ V
http://www.linear.com/leadfree/
CC
CC
CC
CC
CC
CC
PART MARKING*
2498
2498
, –FS ≤ V
, GND ≤ IN
, GND ≤ IN
, IN
, IN
, IN
REF
http://www.linear.com/tapeandreel/
REF
CC
CC
CC
CC
+
+
+
= 5V, V
= 0.75V
= 0.75V
= 0.25V
= 2.5V, V
+ 0.3V)
+ 0.3V)
+ 0.3V)
+ 0.3V)
IN
+
+
IN(CM)
≤ +FS (Note 5)
= IN
= IN
REF
REF
REF
IN(CM)
, IN
, IN
, IN
–
–
= 2.5V (Note 6)
≤ V
≤ V
–
–
–
= 0.25V
= 0.25V
= 0.75V
= 1.25V (Note 6)
pin conFiguration
CC
CC
(Note 14)
PACKAGE DESCRIPTION
38-Lead (5mm × 7mm) Plastic QFN
38-Lead (5mm × 7mm) Plastic QFN
REF
REF
REF
EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
A
COM
GND
GND
GND
GND
GND
= 25°C. (Notes 3, 4)
CH0
CH1
CH2
CH3
CH4
NC
10
11
12
1
2
3
4
5
6
7
8
9
38-LEAD (5mm × 7mm) PLASTIC QFN
l
l
l
l
38 37 36 35 34 33 32
13 14 15 16
T
JMAX
The
MIN
24
= 125°C, θ
UHF PACKAGE
l
TOP VIEW
denotes the specifications which
39
JA
TYP
0.5
0.1
17 18 19
10
2
1
= 34°C/W
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
MAX
2.5
10
25
25
31
30
29
28
27
26
25
24
23
22
21
20
GND
REF
REF
V
MUXOUTN
ADCINN
ADCINP
MUXOUTP
CH15
CH14
CH13
CH12
CC
ppm of V
–
+
ppm of V
ppm of V
ppm of V
ppm of V
UNITS
REF
nV/°C
2498fe
Bits
REF
REF
REF
/°C
REF
µV