LTC2222/LTC2223
DYNAMIC ACCURACY The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)
LTC2222
TYP
LTC2223
TYP
SYMBOL PARAMETER
CONDITIONS
MIN
MAX
MIN
MAX
UNITS
SNR
Signal-to-Noise Ratio
30MHz Input (1V Range)
30MHz Input (2V Range)
63.5
68.4
63.6
68.5
dB
dB
l
67
67.5
70MHz Input (1V Range)
70MHz Input (2V Range)
63.4
68.3
63.5
68.4
dB
dB
140MHz Input (1V Range)
140MHz Input (2V Range)
63.2
67.9
63.5
68.0
dB
dB
250MHz Input (1V Range)
250MHz Input (2V Range)
62.7
67.0
63.0
67.3
dB
dB
SFDR
SFDR
Spurious Free Dynamic Range 30MHz Input (1V Range)
30MHz Input (2V Range)
84
84
84
84
dB
dB
l
72
73
70MHz Input (1V Range)
70MHz Input (2V Range)
84
84
84
84
dB
dB
140MHz Input (1V Range)
140MHz Input (2V Range)
81
81
84
81
dB
dB
250MHz Input (1V Range)
250MHz Input (2V Range)
77
77
80
75
dB
dB
Spurious Free Dynamic Range 30MHz Input (1V Range)
90
90
90
90
dB
dB
4th Harmonic or Higher
30MHz Input (2V Range)
70MHz Input (1V Range)
70MHz Input (2V Range)
90
90
90
90
dB
dB
140MHz Input (1V Range)
140MHz Input (2V Range)
90
90
90
90
dB
dB
250MHz Input (1V Range)
250MHz Input (2V Range)
90
90
90
90
dB
dB
S/(N+D)
IMD
Signal-to-Noise
30MHz Input (1V Range)
30MHz Input (2V Range)
63.5
68.4
63.6
68.5
dB
dB
l
Plus Distortion Ratio
66.5
67
70MHz Input (1V Range)
70MHz Input (2V Range)
63.5
68.2
63.6
68.3
dB
dB
Intermodulation Distortion
f
IN1
= 138MHz, f = 140MHz
81
81
dBc
IN2
INTERNAL REFERENCE CHARACTERISTICS
(Note 4)
PARAMETER
CONDITIONS
= 0
MIN
TYP
MAX
1.625
UNITS
V
V
CM
V
CM
V
CM
V
CM
Output Voltage
Output Tempco
Line Regulation
Output Resistance
I
1.575
1.600
OUT
25
3
ppm/°C
mV/V
Ω
3.1V < V < 3.5V
DD
–1mA < I
< 1mA
4
OUT
22223fb
4