LTC2494_15 Datasheet, PDF (2/38 Pages) Linear Technology – 16-Bit 8-/16-Channel ADC with PGA and Easy Drive Input Current Cancellation

LTC2494
Absolute Maximum Ratings
(Notes 1, 2)
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
Pin Configuration
TOP VIEW
GND 1
NC 2
GND 3
GND 4
GND 5
GND 6
COM 7
CH0 8
CH1 9
CH2 10
CH3 11
CH4 12
38 37 36 35 34 33 32
39
13 14 15 16 17 18 19
31 GND
30 REF^–
29 REF⁺
28 V_CC
27 MUXOUTN
26 ADCINN
25 ADCINP
24 MUXOUTP
23 CH15
22 CH14
21 CH13
20 CH12
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
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/
2494fe
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For more information www.linear.com/LTC2494