LTC2230/LTC2231
2
22301fb
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
LTC2230C, LTC2231C ............................. 0
°C to 70°C
LTC2230I, LTC2231I ...........................–40
°C to 85°C
Storage Temperature Range ..................–65
°C to 150°C
TJMAX = 150°C, θJA = 20°C/W
EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB
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)
LTC2230
LTC2231
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
●
10
Bits
Integral Linearity Error
Differential Analog Input (Note 5)
●
–1
±0.2
1
–0.8
±0.2
0.8
LSB
Differential Linearity Error
Differential Analog Input
●
–0.6
±0.1
0.6
–0.6
±0.1
0.6
LSB
Integral Linearity Error
Single-Ended Analog Input (Note 5)
±0.5
LSB
Differential Linearity Error
Single-Ended Analog Input
±0.1
LSB
Offset Error
(Note 6)
●
–35
±335
–35
±335
mV
Gain Error
External Reference
●
–2.5
±0.5
2.5
–2.5
±0.5
2.5
%FS
Offset Drift
±10
μV/C
Full-Scale Drift
Internal Reference
±30
ppm/C
External Reference
±15
ppm/C
Transition Noise
SENSE = 1V
0.12
LSBRMS
TOP VIEW
UP PACKAGE
64-LEAD (9mm
× 9mm) PLASTIC QFN
AIN
+ 1
AIN
+ 2
AIN
– 3
AIN
– 4
REFHA 5
REFHA 6
REFLB 7
REFLB 8
REFHB 9
REFHB 10
REFLA 11
REFLA 12
VDD 13
VDD 14
VDD 15
GND 16
48 D7+/DA4
47 D7–/DA3
46 D6+/DA2
45 D6–/DA1
44 D5+/DA0
43 D5–/DNC
42 OVDD
41 OGND
40 D4+/DNC
39 D4–/CLOCKOUTA
38 D3+/CLOCKOUTB
37 D3–/OFB
36 CLOCKOUT +/DB9
35 CLOCKOUT –/DB8
34 OVDD
33 OGND
64
GND
63
V
DD
62
V
DD
61
GND
60
V
CM
59
SENSE
58
MODE
57
LVDS
56
OF
+ /OFA
55
OF
– /DA9
54
D9
+ /DA8
53
D9
– /DA7
52
D8
+ /DA6
51
D8
– /DA5
50
OGND
49
OV
DD
ENC
+
17
ENC
– 18
SHDN
19
OE
20
DNC
21
DNC
22
DNC/DB1
23
DNC/DB1
24
OGND
25
OV
DD
26
D0
– /DB2
27
D0
+ /DB3
28
D1
– /DB4
29
D1
+ /DB5
30
D2
– /DB6
31
D2
+ /DB7
32
65
ORDER PART NUMBER
Consult LTC Marketing for parts specified with wider operating temperature ranges.
The temperature grade is identified by a label on the shipping container.
LTC2230CUP
LTC2230IUP
LTC2231CUP
LTC2231IUP
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/
UP PART MARKING*
LTC2230UP
LTC2231UP