LTC2451 查看數據表（PDF） - Linear Technology
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LTC2451 Datasheet PDF : 18 Pages
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LTC2451
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
Supply Voltage (VCC) ................................... –0.3V to 6V
Analog Input Voltage (VIN) ............ –0.3V to (VCC + 0.3V)
Reference Voltage (VREF+, VREF–)...–0.3V to(VCC + 0.3V)
Digital Voltage (VSDA, VSCL) .......... –0.3V to (VCC + 0.3V)
Storage Temperature Range................... –65°C to 150°C
Operating Temperature Range
LTC2451C ................................................ 0°C to 70°C
LTC2451I.............................................. –40°C to 85°C
PIN CONFIGURATION
TOP VIEW
GND 1
8 SDA
REF– 2
7 SCL
REF+ 3
9
6 IN
VCC 4
5 GND
DDB PACKAGE
8-LEAD (3mm s 2mm) PLASTIC DFN
C/I GRADE TJMAX = 125°C, θJA = 76°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
GND 1
REF– 2
REF+ 3
VCC 4
8 SDA
7 SCL
6 IN
5 GND
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
C/I GRADE TJMAX = 125°C, θJA = 140°C/W
ORDER INFORMATION
Lead Free Finish
TAPE AND REEL (MINI) TAPE AND REEL
PART MARKING* PACKAGE DESCRIPTION
LTC2451CDDB#TRMPBF
LTC2451IDDB#TRMPBF
LTC2451CDDB#TRMPBF
LTC2451IDDB#TRMPBF
LTC2451CDDB#TRPBF
LTC2451IDDB#TRPBF
LTC2451CTS8#TRPBF
LTC2451ITS8#TRPBF
LDGQ
LDGQ
LTDNS
LTDNS
8-Lead Plastic (3mm × 2mm) DFN
8-Lead Plastic (3mm × 2mm) DFN
8-Lead Plastic TSOT-23
8-Lead Plastic TSOT-23
TRM = 500 pieces. *Temperature grades are identified by a label on the shipping container.
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on 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/
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Resolution (No Missing Codes)
(Note 3)
l 16
Bits
Integral Nonlinearity
(Note 4)
l
2
10
LSB
Offset Error
30Hz Mode
l
0.08 0.5
mV
Offset Error
60Hz Mode
l
0.5
2
mV
Offset Error Drift
0.02
LSB/°C
Gain Error
l
0.01 0.02 % of FS
Gain Error Drift
0.02
LSB/°C
Transition Noise
Power Supply Rejection DC
30Hz Mode
1.4
μVRMS
80
dB
Power Supply Rejection DC
60Hz Mode
80
dB
2451ff
2
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