LTC2230/LTC2231
3
22301fb
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN
+ – AIN–)
3.1V < VDD < 3.5V (Note 7)
●
±0.5 to ±1V
VIN, CM
Analog Input Common Mode (AIN
+ + AIN–)/2
Differential Input (Note 7)
●
1
1.6
1.9
V
Single Ended Input (Note 7)
●
0.5
1.6
2.1
V
IIN
Analog Input Leakage Current
0 < AIN+, AIN– < VDD
●
–1
1
μA
ISENSE
SENSE Input Leakage
0V < SENSE < 1V
●
–1
1
μA
IMODE
MODE Pin Pull-Down Current to GND
10
μA
ILVDS
LVDS Pin Pull-Down Current to GND
10
μA
tAP
Sample and Hold Acquisition Delay Time
0
ns
tJITTER
Sample and Hold Acquisition Delay Time Jitter
0.15
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
80
dB
Full Power Bandwidth
Figure 8 Test Circuit
775
MHz
LTC2230
LTC2231
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio (Note 10)
5MHz Input (1V Range)
59.5
dB
5MHz Input (2V Range)
61.2
dB
70MHz Input (1V Range)
59.5
dB
70MHz Input (2V Range)
●
60.4
61.1
60.4
61.1
dB
140MHz Input (1V Range)
59.4
dB
140MHz Input (2V Range)
61.0
dB
250MHz Input (1V Range)
59.0
dB
250MHz Input (2V Range)
60.6
dB
SFDR
Spurious Free Dynamic Range
5MHz Input (1V Range)
80
dB
2nd or 3rd Harmonic (Note 11)
5MHz Input (2V Range)
78
dB
70MHz Input (1V Range)
80
dB
70MHz Input (2V Range)
●
64
78
68
78
dB
140MHz Input (1V Range)
78
dB
140MHz Input (2V Range)
78
db
250MHz Input (1V Range)
75
78
dB
250MHz Input (2V Range)
74
78
dB
SFDR
Spurious Free Dynamic Range
5MHz Input (1V Range)
86
dB
4th Harmonic or Higher (Note 11)
5MHz Input (2V Range)
86
dB
70MHz Input (1V Range)
86
dB
70MHz Input (2V Range)
●
73
86
74
86
dB
140MHz Input (1V Range)
86
dB
140MHz Input (2V Range)
86
dB
250MHz Input (1V Range)
85
dB
250MHz Input (2V Range)
85
dB
S/(N+D)
Signal-to-Noise
5MHz Input (1V Range)
59.5
dB
Plus Distortion Ratio (Note 12)
5MHz Input (2V Range)
61.2
dB
70MHz Input (1V Range)
59.5
dB
70MHz Input (2V Range)
●
59.5
61.1
60
61.1
dB
IMD
Intermodulation Distortion
fIN1 = 138MHz,
81
dBc
fIN2 = 140MHz
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 9)
The
● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)