LTC2242-10
3
224210fd
analog inpuT
The ● denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ – AIN–)
2.375V < VDD < 2.625V (Note 7)
●
±0.5 to ±1
V
VIN, CM
Analog Input Common Mode (AIN+ + AIN–)/2
Differential Input (Note 7)
●
1.2
1.25
1.3
V
IIN
Analog Input Leakage Current
0 < AIN+, AIN– < VDD
●
–1
1
A
ISENSE
SENSE Input Leakage
0V < SENSE < 1V
●
–1
1
A
IMODE
MODE Pin Pull-Down Current to GND
7
A
ILVDS
LVDS Pin Pull-Down Current to GND
7
A
tAP
Sample and Hold Acquisition Delay Time
0.4
ns
tJITTER
Sample and Hold Acquisition Delay Time Jitter
95
fsRMS
Full Power Bandwidth
Figure 8 Test Circuit
1200
MHz
DynaMic 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 (Note 10)
10MHz Input
60.6
dB
70MHz Input
l
59.2
60.5
dB
140MHz Input
60.5
dB
240MHz Input
60.4
dB
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
(Note 11)
10MHz Input
78
dB
70MHz Input
l
63
75
dB
140MHz Input
74
dB
240MHz Input
73
dB
Spurious Free Dynamic Range
4th Harmonic or Higher
(Note 11)
10MHz Input
85
dB
70MHz Input
l
71
85
dB
140MHz Input
85
dB
240MHz Input
85
dB
S/(N+D)
Signal-to-Noise Plus
Distortion Ratio
(Note 12)
10MHz Input
60.4
dB
70MHz Input
l
58.2
60.4
dB
140MHz Input
60.3
dB
240MHz Input
60.2
dB
IMD
Intermodulation Distortion
fIN1 = 135MHz, fIN2 = 140MHz
81
dBc
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Offset Drift
±10
V/C
Full-Scale Drift
Internal Reference
External Reference
±60
±45
ppm/C
Transition Noise
SENSE = 1V
0.18
LSBRMS
converTer characTerisTics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)