
2
LTC2220-1
2220_1fa
CO VERTER CHARACTERISTICS
U
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
●
12
Bits
Integral Linearity Error
Differential Analog Input (Note 5)
●
–1.8
±0.7
1.8
LSB
Differential Linearity Error
Differential Analog Input
●
–1
±0.5
1.2
LSB
Integral Linearity Error
Single-Ended Analog Input (Note 5)
±1.5
LSB
Differential Linearity Error
Single-Ended Analog Input
±0.5
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
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
LTC2220-1C ............................................ 0
°C to 70°C
LTC2220-1I .........................................–40
°C to 85°C
Storage Temperature Range ..................–65
°C to 125°C
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)
TJMAX = 125°C, θJA = 20°C/W
EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB
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.
LTC2220CUP-1
LTC2220IUP-1
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF
Lead Free Tape and Reel: Add #TRPBF
UP PART MARKING*
LTC2220UP-1
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 D9+/DA6
47 D9–/DA5
46 D8+/DA4
45 D8–/DA3
44 D7 +/DA2
43 D7 –/DA1
42 OVDD
41 OGND
40 D6+/DA0
39 D6–/CLOCKOUTA
38 D5+/CLOCKOUTB
37 D5–/OFB
36 CLOCKOUT +/DB11
35 CLOCKOUT –/DB10
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
– /DA11
54
D11
+ /DA10
53
D11
– /DA9
52
D10
+ /DA8
51
D10
– /DA7
50
OGND
49
OV
DD
ENC
+
17
ENC
– 18
SHDN
19
OE
20
DO
– /DB0
21
DO
+ /DB1
22
D1
– /DB2
23
D1
+ /DB3
24
OGND
25
OV
DD
26
D2
– /DB4
27
D2
+ /DB5
28
D3
– /DB6
29
D3
+ /DB7
30
D4
– /DB8
31
D4
+ /DB9
32
65