LTC2224
2
2224fa
CO VERTER CHARACTERISTICS
U
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
LTC2224C ............................................... 0
°C to 70°C
LTC2224I .............................................–40
°C to 85°C
Storage Temperature Range ..................–65
°C to 125°C
ORDER PART
NUMBER
UK PART*
MARKING
TJMAX = 125°C, θJA = 29°C/W
LTC2224UK
LTC2224CUK
LTC2224IUK
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
OVDD = VDD (Notes 1, 2)
The
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)
12
Bits
Integral Linearity Error
Differential Analog Input (Note 5)
–1
±0.4
1
LSB
Differential Linearity Error
Differential Analog Input
–1
±0.3
1
LSB
Integral Linearity Error
Single-Ended Analog Input (Note 5)
±1LSB
Differential Linearity Error
Single-Ended Analog Input
±0.3
LSB
Offset Error
(Note 6)
–35
±335
mV
Gain Error
External Reference
–2.5
±0.5
2.5
%FS
Offset Drift
±10
V/C
Full-Scale Drift
Internal Reference
±30
ppm/C
External Reference
±15
ppm/C
Transition Noise
SENSE = 1V
0.5
LSBRMS
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
TOP VIEW
UK PACKAGE
48-LEAD (7mm
× 7mm) PLASTIC QFN
EXPOSED PAD IS GND (PIN 49),
MUST BE SOLDERED TO PCB
AIN
+ 1
AIN
2
REFHA 3
REFHA 4
REFLB 5
REFLB 6
REFHB 7
REFHB 8
REFLA 9
REFLA 10
VDD 11
VDD 12
36 D9
35 D8
34 D7
33 OVDD
32 OGND
31 D6
30 D5
29 D4
28 OVDD
27 OGND
26 D3
25 D2
49
48
GND
47
V
DD
46
V
DD
45
GND
44
V
CM
43
SENSE
42
MODE
41
OF
40
D11
39
D10
38
OGND
37
OV
DD
GND
13
V
DD
14
GND
15
ENC
+
16
ENC
17
SHDN
18
OE
19
CLOCKOUT
20
DO
21
OGND
22
OV
DD
23
D1
24
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/
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