LTC2291 데이터 시트보기 (PDF) - Linear Technology
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LTC2291 Datasheet PDF : 28 Pages
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LTC2293/LTC2292/LTC2291
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)
UW U
PACKAGE/ORDER I FOR ATIO
Power Dissipation............................................ 1500mW
Operating Temperature Range
LTC2293C, LTC2292C, LTC2291C ........... 0°C to 70°C
LTC2293I, LTC2292I, LTC2291I ..........–40°C to 85°C
Storage Temperature Range ..................–65°C to 125°C
AINA+ 1
AINA– 2
REFHA 3
REFHA 4
REFLA 5
REFLA 6
VDD 7
CLKA 8
CLKB 9
VDD 10
REFLB 11
REFLB 12
REFHB 13
REFHB 14
AINB– 15
AINB+ 16
TOP VIEW
65
48 DA5
47 DA4
46 DA3
45 DA2
44 DA1
43 DA0
42 NC
41 NC
40 OFB
39 DB11
38 DB10
37 DB9
36 DB8
35 DB7
34 DB6
33 DB5
ORDER PART
NUMBER
LTC2293CUP
LTC2293IUP
LTC2292CUP
LTC2292IUP
LTC2291CUP
LTC2291IUP
QFN PART*
MARKING
LTC2293UP
LTC2293UP
LTC2292UP
LTC2292UP
LTC2291UP
LTC2291UP
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
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
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/
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
CONDITIONS
LTC2293
LTC2292
LTC2291
MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
Resolution
(No Missing Codes)
● 12
12
12
Bits
Integral Linearity Error Differential Analog Input (Note 5) ● –1.4 ±0.3 1.4 –1.4 ±0.3 1.4 –1.3 ±0.3 1.3
LSB
Differential
Linearity Error
Differential Analog Input
● –0.8 ±0.15 0.8 –0.7 ±0.15 0.7 –0.7 ±0.15 0.7
LSB
Offset Error
(Note 6)
● –12 ±2 12 –12 ±2 12 –12 ±2 12
mV
Gain Error
External Reference
● –2.5 ±0.5 2.5 –2.5 ±0.5 2.5 –2.5 ±0.5 2.5
%FS
Offset Drift
±10
±10
±10
µV/°C
Full-Scale Drift
Internal Reference
±30
±30
±30
ppm/°C
External Reference
±5
±5
±5
ppm/°C
Gain Matching
External Reference
±0.3
±0.3
±0.3
%FS
Offset Matching
±2
±2
±2
mV
Transition Noise
SENSE = 1V
0.25
0.25
0.25
LSBRMS
229321fa
2
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