LTC2498 Linear Technology, LTC2498 Datasheet - Page 2

• Manufacturer Part Number: LTC2498
• Description: 24-Bit 8-/16-Channel ADC
• Manufacturer: Linear Technology

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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 specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS (NORMAL SPEED)
apply over the full operating temperature range, otherwise specifi cations 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
2
(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 specifi cations 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
2498fc
Bits
REF
REF
REF
/°C
REF
μV