LTC2983 Просмотр технического описания (PDF) - Linear Technology
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LTC2983 Datasheet PDF : 72 Pages
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LTC2983
Absolute Maximum Ratings
(Notes 1, 2)
Supply Voltage (VDD).................................... –0.3V to 6V
Analog Input Pins (CH1 to
CH20, COM).................................. –0.3V to (VDD + 0.3V)
Input Current (CH1 to CH20, COM)....................... ±15mA
Digital Inputs (CS, SDI,
SCK, RESET)................................. –0.3V to (VDD + 0.3V)
Digital Outputs (SDO, INTERRUPT). –0.3V to (VDD + 0.3V)
VREFP......................................................... –0.3V to 2.8V
Q1, Q2, Q3, LDO, VREFOUT, VREF_BVP (Note 17)
Reference Short-Circuit Duration...................... Indefinite
Operating Temperature Range
LTC2983C..................................................0ºC to 70ºC
LTC2983I.............................................. –40ºC to 85ºC
Pin Configuration
TOP VIEW
VREFOUT 13
VREFP 14
GND 15
CH1 16
CH2 17
CH3 18
CH4 19
CH5 20
CH6 21
CH7 22
CH8 23
CH9 24
48 Q1
47 Q2
46 Q3
45 VDD
44 GND
43 LDO
42 RESET
41 CS
40 SDI
39 SDO
38 SCK
37 INTERRUPT
LX PACKAGE
48-LEAD (7mm × 7mm) PLASTIC LQFP
TJMAX = 150°C, θJA = 57°C/W
Order Information
LEAD FREE FINISH
TRAY
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2983CLX#PBF
LTC2983CLX#PBF
LTC2983
48-Lead (7mm × 7mm) LQFP
0°C to 70°C
LTC2983ILX#PBF
LTC2983ILX#PBF
LTC2983
48-Lead (7mm × 7mm) LQFP
–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.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
Complete System Electrical Characteristics The l denotes the specifications
which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
PARAMETER
CONDITIONS
MIN TYP
MAX
UNITS
Supply Voltage
l 2.85
5.25
V
Supply Current
l
15
20
mA
Sleep Current
l
25
60
µA
Input Range
Output Rate
All Analog Input Channels
l –0.05
VDD – 0.3
V
Two Conversion Cycle Mode (Notes 6, 9) l 150
164
170
ms
Output Rate
Three Conversion Cycle Mode (Notes 6, 9) l 225
246
255
ms
Input Common Mode Rejection
50Hz/60Hz (Note 4)
l 120
dB
Input Normal Mode Rejection
60Hz (Notes 4, 7)
l 120
dB
For more information www.linear.com/LTC2983
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