LTC2272(RevA) Ver la hoja de datos (PDF) - Linear Technology
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LTC2272 Datasheet PDF : 44 Pages
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LTC2273/LTC2272
DYNAMIC ACCURACY The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS unless otherwise noted. (Note 4)
LTC2273
LTC2272
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX UNITS
SFDR Spurious Free Dynamic
Range 4th Harmonic or
5MHz Input (2.25V Range, PGA = 0)
5MHz Input (1.5V Range, PGA = 1)
100
100
dBc
100
100
dBc
Higher
15MHz Input (2.25V Range, PGA = 0)
l 90 100
90 100
dBc
15MHz Input (1.5V Range, PGA = 1)
100
100
dBc
70MHz Input (2.25V Range, PGA = 0)
100
100
dBc
70MHz Input (1.5V Range, PGA = 1)
l 90 100
90 100
dBc
140MHz Input (2.25V Range, PGA = 0)
140MHz Input (1.5V Range, PGA = 1)
95
95
dBc
100
100
dBc
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
90
90
dBc
95
95
dBc
S/(N+D) Signal-to-Noise
Plus Distortion Ratio
5MHz Input (2.25V Range, PGA = 0)
5MHz Input (1.5V Range, PGA = 1)
77.5
77.5
dBFS
75.3
75.3
dBFS
15MHz Input (2.25V Range, PGA = 0), TA = 25°C
76.3 77.4
76.3 77.4
dBFS
15MHz Input (2.25V Range, PGA = 0
l 75.9 77
75.9 77
dBFS
15MHz Input (1.5V Range, PGA = 1)
75.2
75.2
dBFS
70MHz Input (2.25V Range, PGA = 0)
76.7
76.7
dBFS
70MHz Input (1.5V Range, PGA = 1), TA = 25°C
74.4 75
74.4 75
dBFS
70MHz Input (1.5V Range, PGA = 1)
l 74.1 74.7
74.1 74.7
dBFS
140MHz Input (2.25V Range, PGA = 0)
140MHz Input (1.5V Range, PGA = 1)
75.3
75.3
dBFS
74.3
74.3
dBFS
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
73.4
73.4
dBFS
73.4
73.4
dBFS
SFDR
Spurious Free Dynamic
Range at –25dBFS Dither
“OFF”
5MHz Input (2.25V Range, PGA = 0)
5MHz Input (1.5V Range, PGA = 1)
15MHz Input (2.25V Range, PGA = 0)
15MHz Input (1.5V Range, PGA = 1)
105
105
dBFS
105
105
dBFS
105
105
dBFS
105
105
dBFS
70MHz Input (2.25V Range, PGA = 0)
70MHz Input (1.5V Range, PGA = 1)
105
105
dBFS
105
105
dBFS
140MHz Input (2.25V Range, PGA = 0)
140MHz Input (1.5V Range, PGA = 1)
100
100
dBFS
100
100
dBFS
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
100
100
dBFS
100
100
dBFS
SFDR
Spurious Free Dynamic
Range at –25dBFS Dither
“ON”
5MHz Input (2.25V Range, PGA = 0)
5MHz Input (1.5V Range, PGA = 1)
15MHz Input (2.25V Range, PGA = 0)
15MHz Input (1.5V Range, PGA = 1)
115
115
dBFS
115
115
dBFS
l 97 115
97 115
dBFS
115
115
dBFS
70MHz Input (2.25V Range, PGA = 0)
70MHz Input (1.5V Range, PGA = 1)
115
115
dBFS
115
115
dBFS
140MHz Input (2.25V Range, PGA = 0)
140MHz Input (1.5V Range, PGA = 1)
110
110
dBFS
110
110
dBFS
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
105
105
dBFS
105
105
dBFS
22732fa
4
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