Datasheet
LTC2494
2
2494fd
pin conFiguration
absolute MaxiMuM ratings
Supply Voltage (V
CC
) ................................... –0.3V to 6V
Analog Input Voltage
(CH0 to CH15, COM) .................–0.3V to (V
CC
+ 0.3V)
REF
+
, REF
–
................................–0.3V to (V
CC
+ 0.3V)
ADCINN, ADCINP, MUXOUTP,
MUXOUTN ................................–0.3V to (V
CC
+ 0.3V)
Digital Input Voltage......................–0.3V to (V
CC
+ 0.3V)
Digital Output Voltage ...................–0.3V to (V
CC
+ 0.3V)
Operating Temperature Range
LTC2494C ................................................ 0°C to 70°C
LTC2494I .............................................–40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C
(Notes 1, 2)
13 14 15 16
TOP VIEW
39
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
17 18 19
38 37 36 35 34 33 32
24
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1GND
NC
GND
GND
GND
GND
COM
CH0
CH1
CH2
CH3
CH4
GND
REF
–
REF
+
V
CC
MUXOUTN
ADCINN
ADCINP
MUXOUTP
CH15
CH14
CH13
CH12
SCK
SDO
CS
f
O
SDI
GND
GND
CH5
CH6
CH7
CH8
CH9
CH10
CH11
23
22
21
20
9
10
11
12
T
JMAX
= 125°C, θ
JA
= 34°C/W
EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
orDer inForMation
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2494CUHF#PBF LTC2494CUHF#TRPBF 2494 38-Lead (5mm × 7mm) Plastic QFN 0°C to 70°C
LTC2494IUHF#PBF LTC2494IUHF#TRPBF 2494 38-Lead (5mm × 7mm) Plastic QFN –40°C to 85°C
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: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/