LTC2246LX(RevB) 查看數據表（PDF） - Linear Technology
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LTC2246LX Datasheet PDF : 18 Pages
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LTC2246H
ABSOLUTE MAXIMUM RATINGS
OVDD = VDD (Notes 1, 2)
Supply Voltage (VDD) ..................................................4V
Digital Output Ground Voltage (OGND)........ –0.3V to 1V
Analog Input Voltage (Note 3).......–0.3V to (VDD + 0.3V)
Digital Input Voltage......................–0.3V to (VDD + 0.3V)
Digital Output Voltage ................ –0.3V to (OVDD + 0.3V)
Power Dissipation .............................................1500mW
Operating Temperature Range................ –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
PACKAGE/ORDER INFORMATION
TOP VIEW
GND 1
AAIINN+–
2
3
GND 4
REFH 5
REFH 6
REFL 7
REFL 8
GND 9
VDD 10
VDD 11
VDD 12
36 GND
35 D10
34 D9
33 D8
32 GND
31 OVDD
30 OGND
29 GND
28 D7
27 D6
26 D5
25 GND
LX PACKAGE
48-LEAD (7mm s 7mm) PLASTIC LQFP
TJMAX = 150°C, θJA = 53°C/W
ORDER INFORMATION
LEAD FREE FINISH
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2246HLX#PBF
LTC2246LX
48-Lead (7mm × 7mm) Plastic LQFP
–40°C to 125°C
LEAD BASED FINISH
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2246HLX
LTC2246LX
48-Lead (7mm × 7mm) Plastic LQFP
–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.
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/
This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
CONVERTER CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Resolution
(No Missing Codes)
l 14
Bits
Integral Linearity Error
Differential Analog Input (Note 5)
l –6
±1
6
LSB
Differential Linearity Error
Differential Analog Input
l –1
±0.5
1
LSB
Offset Error
(Note 6)
l –15
±2
15
mV
Gain Error
External Reference
l –3
±0.5
3
%FS
Offset Drift
±10
μV/°C
Full-Scale Drift
Internal Reference
±30
ppm/°C
External Reference
±5
ppm/°C
Transition Noise
SENSE = 1V
1
LSBRMS
2246hfb
2
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