LTC2203/LTC2202
4
22032fd
The
l denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C. AIN = –1dBFS. (Note 4)
DYNAMIC ACCURACY
SYMBOL
PARAMETER
CONDITIONS
MIN
LTC2203
TYP
MAX
MIN
LTC2202
TYP
MAX
UNITS
SFDR
Spurious Free
Dynamic Range
2nd or 3rd Harmonic
1MHz Input (2.5V Range, PGA = 0)
1MHz Input (1.667V Range, PGA = 1)
100
dBc
5MHz Input (2.5V Range, PGA = 0)
5MHz Input (1.667V Range, PGA = 1)
l
85
87
100
85
87
100
dBc
12.5MHz Input (2.5V Range, PGA = 0)
12.5MHz Input (1.667V Range, PGA = 1)
95
100
95
100
dBc
30MHz Input (2.5V Range, PGA = 0)
30MHz Input (1.667V Range, PGA = 1)
l
85
90
95
85
90
95
dBc
70MHz Input (2.5V Range, PGA = 0)
70MHz Input (1.667V Range, PGA = 1)
85
90
85
90
dBc
SFDR
Spurious Free
Dynamic Range
4th Harmonic or Higher
1MHz Input (2.5V Range, PGA = 0)
1MHz Input (1.667V Range, PGA = 1)
100
dBc
5MHz Input (2.5V Range, PGA = 0)
5MHz Input (1.667V Range, PGA = 1)
l
90
100
90
100
dBc
12.5MHz Input (2.5V Range, PGA = 0)
12.5MHz Input (1.667V Range, PGA = 1)
100
dBc
30MHz Input (2.5V Range, PGA = 0)
30MHz Input (1.667V Range, PGA = 1)
l
90
100
90
100
dBc
70MHz Input (2.5V Range, PGA = 0)
70MHz Input (1.667V Range, PGA = 1)
90
dBc
S/(N+D)
Signal-to-Noise
Plus Distortion Ratio
1MHz Input (2.5V Range, PGA = 0)
1MHz Input (1.667V Range, PGA = 1)
81.5
79.3
81.5
79.3
dBFS
5MHz Input (2.5V Range, PGA = 0)
5MHz Input (1.667V Range, PGA = 1)
l
79.7
81.5
79.3
79.7
81.5
79.3
dBFS
12.5MHz Input (2.5V Range, PGA = 0)
12.5MHz Input (1.667V Range, PGA = 1)
81.3
79.2
81.3
79.2
dBFS
30MHz Input (2.5V Range, PGA = 0)
30MHz Input (1.667V Range, PGA = 1)
l
77.2
80.6
78.6
77.2
80.6
78.6
dBFS
70MHz Input (2.5V Range, PGA = 0)
70MHz Input (1.667V Range, PGA = 1)
78.1
77
78.1
77
dBFS
SFDR
Spurious Free
Dynamic Range
at –25dBFS
Dither “OFF”
1MHz Input (2.5V Range, PGA = 0)
1MHz Input (1.667V Range, PGA = 1)
105
dBFS
5MHz Input (2.5V Range, PGA = 0)
5MHz Input (1.667V Range, PGA = 1)
105
dBFS
12.5MHz Input (2.5V Range, PGA = 0)
12.5MHz Input (1.667V Range, PGA = 1)
105
dBFS
30MHz Input (2.5V Range, PGA = 0)
30MHz Input (1.667V Range, PGA = 1)
105
dBFS
70MHz Input (2.5V Range, PGA = 0)
70MHz Input (1.667V Range, PGA = 1)
100
dBFS