LTC2293C Ver la hoja de datos (PDF) - Linear Technology
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LTC2293C Datasheet PDF : 28 Pages
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LTC2293/LTC2292/LTC2291
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
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
MIN
TYP
MAX
●
±0.5 V to ±1V
●1
1.5
1.9
● 0.5
1.5
2
● –1
1
● –3
3
● –3
3
0
0.2
80
UNITS
V
V
V
µA
µA
µA
ns
psRMS
dB
Full Power Bandwidth
Figure 8 Test Circuit
575
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
LTC2293
LTC2292
LTC2291
MIN TYP MAX MIN TYP MAX MIN TYP MAX
UNITS
SNR
Signal-to-Noise Ratio 5MHz Input
71.3
71.4
71.4
dB
12.5MHz Input
●
70.1 71.2
dB
20MHz Input
●
69.6 71.3
dB
30MHz Input
● 69.6 71.3
dB
70MHz Input
71.3
71.1
70.9
dB
140MHz Input
71
70.7
70.6
dB
SFDR
Spurious Free
5MHz Input
90
90
90
dB
Dynamic Range
12.5MHz Input
●
2nd or 3rd
Harmonic
20MHz Input
●
75 90
dB
74 90
dB
30MHz Input
● 74 90
dB
70MHz Input
85
85
85
dB
140MHz Input
80
80
80
dB
SFDR Spurious Free
5MHz Input
90
90
90
dB
Dynamic Range
12.5MHz Input
●
4th Harmonic
or Higher
20MHz Input
●
80 90
dB
79 90
dB
30MHz Input
● 78 90
dB
70MHz Input
90
90
90
dB
140MHz Input
90
90
90
dB
S/(N+D) Signal-to-Noise
5MHz Input
71.3
71.4
71.4
dB
Plus Distortion
Ratio
12.5MHz Input
●
20MHz Input
●
69.8 71.2
dB
69.4 71.2
dB
30MHz Input
● 69.4 71.2
dB
70MHz Input
71.1
70.9
70.8
dB
140MHz Input
69.9
69.9
69.8
dB
IMD
Intermodulation
fIN = Nyquist,
90
90
90
dB
Distortion
Nyquist + 1MHz
Crosstalk
fIN = Nyquist
–110
–110
–110
dB
229321fa
3
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