LTC2284C 데이터 시트보기 (PDF) - Linear Technology
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LTC2284C Datasheet PDF : 24 Pages
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LTC2284
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
2.85V < VDD < 3.4V (Note 7)
Differential Input Drive (Note 7)
Single Ended Input Drive (Note 7)
0V < AIN+, AIN– < VDD
0V < SENSEA, SENSEB < 1V
0V < MODE < VDD
Figure 8 Test Circuit
MIN TYP
MAX
●
±0.5V to ±1V
●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
72.4
dB
30MHz Input
72.3
dB
70MHz Input
● 69.4 72.2
dB
140MHz Input
71.7
dB
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input
30MHz Input
88
dB
86
dB
70MHz Input
● 72 84
dB
140MHz Input
80
dB
SFDR
Spurious Free Dynamic Range
4th Harmonic or Higher
5MHz Input
30MHz Input
90
dB
90
dB
70MHz Input
● 80 90
dB
140MHz Input
90
dB
S/(N+D)
Signal-to-Noise Plus Distortion Ratio
5MHz Input
72.2
dB
30MHz Input
72.1
dB
70MHz Input
● 68.4 71.9
dB
140MHz Input
70.5
dB
IMD
Intermodulation Distortion
fIN = 40MHz,
41MHz
85
dB
Crosstalk
fIN = 100MHz
–110
dB
2284fa
3
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