LTC2290C 查看數據表（PDF） - Linear Technology
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LTC2290C Datasheet PDF : 24 Pages
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LTC2290
ABSOLUTE AXI U RATI GS
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
LTC2290C ............................................... 0°C to 70°C
LTC2290I .............................................–40°C to 85°C
Storage Temperature Range ..................–65°C to 125°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
AINA+ 1
AINA– 2
REFHA 3
48 DA5
47 DA4
46 DA3
REFHA 4
45 DA2
REFLA 5
44 DA1
REFLA 6
43 DA0
VDD 7
42 NC
CLKA 8
65
41 NC
CLKB 9
40 OFB
VDD 10
REFLB 11
39 DB11
38 DB10
REFLB 12
37 DB9
REFHB 13
36 DB8
REFHB 14
AINB– 15
AINB+ 16
35 DB7
34 DB6
33 DB5
UP PACKAGE
64-LEAD (9mm × 9mm) PLASTIC QFN
TJMAX = 125°C, θJA = 20°C/W
EXPOSED PAD (PIN 65) IS GND AND MUST BE SOLDERED TO PCB
ORDER PART
NUMBER
QFN PART*
MARKING
LTC2290CUP
LTC2290IUP
LTC2290UP
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
CO VERTER CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Offset Drift
Full-Scale Drift
Gain Matching
Offset Matching
Transition Noise
2
CONDITIONS
Differential Analog Input (Note 5)
Differential Analog Input
(Note 6)
External Reference
Internal Reference
External Reference
External Reference
SENSE = 1V
MIN TYP MAX UNITS
● 12
Bits
● –1.3 ±0.3 1.3
LSB
● –0.7 ±0.15 0.7
LSB
● –12 ±2 12
mV
● –2.5 ±0.5 2.5
%FS
±10
µV/°C
±30
ppm/°C
±5
ppm/°C
±0.3
%FS
±2
mV
0.25
LSBRMS
2290fa
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