LTC2295
2295fa
2
TOP VIEW
65
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
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
48 DA7
47 DA6
46 DA5
45 DA4
44 DA3
43 DA2
42 DA1
41 DA0
40 OFB
39 DB13
38 DB12
37 DB11
36 DB10
35 DB9
34 DB8
33 DB7
64
GND
63
V
DD
62
SENSEA
61
VCMA
60
MODE
59
SHDNA
58
OEA
57
OFA
56
DA13
55
DA12
54
DA11
53
DA10
52
DA9
51
DA8
50
OGND
49
OV
DD
GND
17
V
DD
18
SENSEB
19
VCMB
20
MUX
21
SHDNB
22
OEB
23
DB0
24
DB1
25
DB2
26
DB3
27
DB4
28
DB5
29
DB6
30
OGND
31
OV
DD
32
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
●
14
Bits
Integral Linearity Error
Differential Analog Input (Note 5)
●
–5
±1.2
5
LSB
Differential Linearity Error
Differential Analog Input
●
–1
±0.5
1
LSB
Offset Error
(Note 6)
●
–12
±212
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
±5
ppm/
°C
Gain Matching
External Reference
±0.3
%FS
Offset Matching
±2mV
Transition Noise
SENSE = 1V
1
LSBRMS
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
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
LTC2295C ............................................... 0
°C to 70°C
LTC2295I .............................................–40
°C to 85°C
Storage Temperature Range ..................–65
°C to 125°C
ORDER PART
NUMBER
QFN PART*
MARKING
LTC2295UP
LTC2295CUP
LTC2295IUP
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
The
● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
CO VERTER CHARACTERISTICS
U
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF
Lead Free Tape and Reel: Add #TRPBF