LTC2298/LTC2297/LTC2296
3
229876fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ –AIN–)
2.7V < VDD < 3.4V (Note 7)
●
±0.5V to ±1V
V
VIN,CM
Analog Input Common Mode (AIN+ +AIN–)/2
Differential Input (Note 7)
●
1
1.5
1.9
V
Single Ended Input (Note 7)
●
0.5
1.5
2
V
IIN
Analog Input Leakage Current
0V < AIN+, AIN– < VDD
●
–1
1
A
ISENSE
SENSEA, SENSEB Input Leakage
0V < SENSEA, SENSEB < 1V
●
–3
3
A
IMODE
MODE Input Leakage Current
0V < MODE < VDD
●
–3
3
A
tAP
Sample-and-Hold Acquisition Delay Time
0
ns
tJITTER
Sample-and-Hold Acquisition Delay Time Jitter
0.2
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
80
dB
Full Power Bandwidth
Figure 8 Test Circuit
575
MHz
The
● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)
LTC2298
LTC2297
LTC2296
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
74.3
74.4
74.5
dB
12.5MHz Input
●
72.7
74.2
dB
20MHz Input
●
72.4
74.4
dB
30MHz Input
●
72.1
74.3
dB
70MHz Input
74.3
73.9
73.4
dB
140MHz Input
73.9
73.3
73
dB
SFDR
5MHz Input
90
dB
12.5MHz Input
●
76
90
dB
20MHz Input
●
75
90
dB
30MHz Input
●
75
90
dB
70MHz Input
85
dB
140MHz Input
80
dB
SFDR
5MHz Input
90
dB
12.5MHz Input
●
80
90
dB
20MHz Input
●
80
90
dB
30MHz Input
●
78
90
dB
70MHz Input
90
dB
140MHz Input
90
dB
S/(N+D)
5MHz Input
74.3
74.4
74.5
dB
12.5MHz Input
●
72.2
74.2
dB
20MHz Input
●
71.9
74.3
dB
30MHz Input
●
71.6
74.2
dB
70MHz Input
74.1
73.6
73.4
dB
140MHz Input
71.9
71.8
dB
IMD
fIN = Nyquist,
90
dB
Nyquist + 1MHz
Crosstalk
fIN = Nyquist
–110
dB
A ALOG I PUT
U
DY A IC ACCURACY
U
W
The
● denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
Signal-to-Noise
Plus Distortion
Ratio
Intermodulation
Distortion
Spurious Free
Dynamic Range
4th Harmonic
or Higher
Spurious Free
Dynamic Range
2nd or 3rd
Harmonic