LTC2234I 查看數據表（PDF） - Linear Technology
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LTC2234I Datasheet PDF : 24 Pages
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LTC2234
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
LTC2234C ............................................... 0°C to 70°C
LTC2234I .............................................–40°C to 85°C
Storage Temperature Range ..................–65°C to 125°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
AIN+ 1
AIN– 2
REFHA 3
36 D7
35 D6
34 D5
REFHA 4
REFLB 5
33 OVDD
32 OGND
REFLB 6
REFHB 7
49
31 D4
30 D3
REFHB 8
29 D2
REFLA 9
REFLA 10
28 OVDD
27 OGND
VDD 11
VDD 12
26 D1
25 D0
UK PACKAGE
48-LEAD (7mm × 7mm) PLASTIC QFN
EXPOSED PAD IS GND (PIN 49),
MUST BE SOLDERED TO PCB
TJMAX = 125°C, θJA = 29°C/W
ORDER PART
NUMBER
UK PART*
MARKING
LTC2234CUK
LTC2234UK
LTC2234IUK
LTC2234UK
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
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Offset Drift
Full-Scale Drift
Transition Noise
CONDITIONS
Differential Analog Input (Note 5)
Differential Analog Input
Single-Ended Analog Input (Note 5)
Single-Ended Analog Input
(Note 6)
External Reference
Internal Reference
External Reference
SENSE = 1V
MIN TYP MAX UNITS
● 10
Bits
● –0.8 ±0.2
0.8
LSB
● –0.6 ±0.1
0.6
LSB
±0.5
LSB
±0.1
LSB
● –37
±5
37
mV
● –2.5 ±0.5
2.5
%FS
±10
µV/C
±30
ppm/C
±15
ppm/C
0.12
LSBRMS
2234fa
2
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