LTC2240CUP-12-PBF(RevB) Ver la hoja de datos (PDF) - Linear Technology
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LTC2240CUP-12-PBF Datasheet PDF : 28 Pages
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LTC2240-12
CONVERTER CHARACTERISTICS The l 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)
l 12
Bits
Integral Linearity Error
Differential Analog Input (Note 5)
l –2.1 ±0.6 2.1
LSB
Differential Linearity Error
Differential Analog Input
l –1
±0.4
1
LSB
Offset Error
(Note 6)
l –15
±5
15
mV
Gain Error
External Reference
l –3.5 ±0.7
3.5
%FS
Offset Drift
±10
μV/C
Full-Scale Drift
Internal Reference
External Reference
±60
ppm/C
±45
ppm/C
Transition Noise
SENSE = 1V
0.74
LSBRMS
ANALOG INPUT The l denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
VIN
VIN, CM
IIN
Analog Input Range (AIN+ – AIN–)
2.375V < VDD < 2.625V (Note 7) l
±0.5 to ±1
V
Analog Input Common Mode (AIN+ + AIN–)/2
Differential Input (Note 7)
l 1.2
1.25
1.3
V
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
7
μA
ILVDS
LVDS Pin Pull-Down Current to GND
7
μA
tAP
Sample and Hold Acquisition Delay Time
0.4
ns
tJITTER
Sample and Hold Acquisition Delay Time Jitter
95
fsRMS
Full Power Bandwidth
Figure 8 Test Circuit
1200
MHz
DYNAMIC ACCURACY The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
SNR
Signal-to-Noise Ratio (Note 10)
10MHz Input
65.6
dB
70MHz Input
l 64.2 65.5
dB
140MHz Input
65.4
dB
240MHz Input
65.2
dB
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
(Note 11)
10MHz Input
70MHz Input
140MHz Input
80
dB
l 65
75
dB
74
dB
240MHz Input
72
dB
Spurious Free Dynamic Range
4th Harmonic or Higher
(Note 11)
10MHz Input
70MHz Input
140MHz Input
87
dB
l 76
87
dB
87
dB
240MHz Input
87
dB
S/(N+D)
Signal-to-Noise Plus
Distortion Ratio
(Note 12)
10MHz Input
70MHz Input
140MHz Input
65.5
dB
l 62.7 65.3
dB
65.2
dB
240MHz Input
64.2
dB
IMD
Intermodulation Distortion
fIN1 = 135MHz, fIN2 = 140MHz
81
dBc
224012fb
3
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