Global Configuration Register ............................................................................................................................... 60
Active Analog Temperature Sensors ..................................................................................................................... 66
Direct ADC Measurements .................................................................................................................................... 70
2- and 3-Cycle Conversion Modes ........................................................................................................................ 75
Running Conversions Consecutively on Multiple Channels................................................................................... 75
Related Parts .....................................................................................................................90
29861fa
2
For more information
www.linear.com/LTC2986
LTC2986/LTC2986-1
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
PIN CONFIGURATION
TOP VIEW
GND
V
REF_BYP
NC
GND
V
DD
GND
V
DD
GND
V
DD
GND
V
DD
GND
13
14
15
16
17
18
19
20
21
22
23
24
12
11
10
9
8
7
6
5
4
3
2
1
LX PACKAGE
48-LEAD (7mm
×
7mm) PLASTIC LQFP
T
JMAX
= 150°C,
θ
JA
= 57°C/W
ORDER INFORMATION
LEAD FREE FINISH
LTC2986CLX#PBF
LTC2986ILX#PBF
LTC2986HLX#PBF
LTC2986CLX-1#PBF
LTC2986ILX-1#PBF
LTC2986HLX-1#PBF
TRAY
LTC2986CLX#PBF
LTC2986ILX#PBF
LTC2986HLX#PBF
LTC2986CLX-1#PBF
LTC2986ILX-1#PBF
LTC2986HLX-1#PBF
http://www.linear.com/product/LTC2986#orderinfo
PART MARKING*
LTC2986LX
LTC2986LX
LTC2986LX
LTC2986LX-1
LTC2986LX-1
LTC2986LX-1
PACKAGE DESCRIPTION
48-Lead (7mm
×
7mm) LQFP
48-Lead (7mm
×
7mm) LQFP
48-Lead (7mm
×
7mm) LQFP
48-Lead (7mm
×
7mm) LQFP
48-Lead (7mm
×
7mm) LQFP
48-Lead (7mm
×
7mm) LQFP
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
0°C to 70°C
–40°C to 85°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
CH10
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
COM
25
26
27
28
29
30
31
32
33
34
35
36
Supply Voltage (V
DD
) ................................... –0.3V to 6V
Analog Input Pins (CH1 to
CH10, COM) ................................. –0.3V to (V
DD
+ 0.3V)
Input Current (CH1 to CH10, COM) ...................... ±15mA
Digital Inputs (CS, SDI,
SCK,
RESET)
................................ –0.3V to (V
DD
+ 0.3V)
Digital Outputs (SDO, INTERRUPT) –0.3V to (V
DD
+ 0.3V)
V
REFP
........................................................ –0.3V to 2.8V
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Embedded System
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