LTC2246 データシートの表示（PDF） - Linear Technology
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LTC2246 Datasheet PDF : 24 Pages
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LTC2299
A ALOG I PUT The ● denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
SYMBOL
VIN
VIN,CM
IIN
ISENSE
IMODE
tAP
tJITTER
CMRR
PARAMETER
Analog Input Range (AIN+ –AIN–)
Analog Input Common Mode (AIN+ +AIN–)/2
Analog Input Leakage Current
SENSEA, SENSEB Input Leakage
MODE Input Leakage Current
Sample-and-Hold Acquisition Delay Time
Sample-and-Hold Acquisition Delay Time Jitter
Analog Input Common Mode Rejection Ratio
Full Power Bandwidth
CONDITIONS
2.7V < VDD < 3.4V (Note 7)
Differential Input (Note 7)
Single Ended Input (Note 7)
0V < AIN+, AIN– < VDD
0V < SENSEA, SENSEB < 1V
0V < MODE < VDD
Figure 8 Test Circuit
MIN TYP MAX
●
±0.5 to ±1
●1
1.5
1.9
● 0.5
1.5
2
● –1
1
● –3
3
● –3
3
0
0.2
80
575
UNITS
V
V
V
µA
µA
µA
ns
psRMS
dB
MHz
DY A IC ACCURACY The ● 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
5MHz Input
73
dB
40MHz Input
● 70.1
73
dB
70MHz Input
73
dB
140MHz Input
72.6
dB
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input
40MHz Input
90
dB
● 74
90
dB
70MHz Input
90
dB
140MHz Input
85
dB
SFDR
Spurious Free Dynamic Range
4th Harmonic or Higher
5MHz Input
40MHz Input
90
dB
● 80
90
dB
70MHz Input
90
dB
140MHz Input
90
dB
S/(N+D)
Signal-to-Noise Plus Distortion Ratio
5MHz Input
72.9
dB
40MHz Input
● 69.5 72.8
dB
70MHz Input
72.8
dB
140MHz Input
72.1
dB
IMD
Intermodulation Distortion
fIN = 40MHz,
41MHz
90
dB
Crosstalk
fIN = 100MHz
–110
dB
2299fa
3
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