LTC2222/LTC2223
3
22223fb
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C.
ANALOG INPUT The l denotes the specications which apply over the full operating temperature range, otherwise
specications are at TA = 25°C. (Note 4)
PARAMETER
CONDITIONS
LTC2222
LTC2223
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
Resolution (No Missing Codes)
l
12
Bits
Integral Linearity Error (Note 5)
Differential Analog Input
l
–1.3
±0.3
1.3
–1.1
±0.3
1.1
LSB
Differential Linearity Error
Differential Analog Input
l
–1
±0.2
1
–0.8
±0.2
0.8
LSB
Integral Linearity Error (Note 5)
Single-Ended Analog Input
±1
LSB
Differential Linearity Error
Single-Ended Analog Input
±0.2
LSB
Offset Error (Note 6)
l
–30
±3
30
–30
±3
30
mV
Gain Error
External Reference
l
–2.5
±0.5
2.5
–2.5
±0.5
2.5
%FS
Offset Drift
±10
μV/C
Full-Scale Drift
Internal Reference
External Reference
±30
±15
±30
±15
ppm/C
Transition Noise
SENSE = 1V
0.5
LSBRMS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ – AIN–)
3.1V < VDD < 3.5V
l
±0.5 to ±1
V
VIN, CM
Analog Input Common Mode (AIN+ + AIN–)/2
Differential Input
Single-Ended Input (Note 7)
l
1
0.5
1.6
1.9
2.1
V
IIN
Analog Input Leakage Current
0 < AIN+, AIN– < VDD
l
–1
1
μA
ISENSE
SENSE Input Leakage
0V < SENSE < 1V
l
–1
1
μA
IMODE
MODE Pin Pull-Down Current to GND
10
μA
Full Power Bandwidth
Figure 8 Test Circuit
775
MHz
tAP
Sample and Hold Acquisition Delay Time
0
ns
tJITTER
Sample and Hold Acquisition Delay Time Jitter
0.15
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
80
dB