LTC2274 datasheet(4/40 Pages) LINER

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LTC2274

2274f

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)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

SFDR

Spurious Free Dynamic Range 4th

Harmonic or Higher

5MHz Input (2.25V Range, PGA = 0)

5MHz Input (1.5V Range, PGA = 1)

100

dBc

15MHz Input (2.25V Range, PGA = 0)

15MHz Input (1.5V Range, PGA = 1)

100

dBc

70MHz Input (2.25V Range, PGA = 0)

70MHz Input (1.5V Range, PGA = 1)

100

dBc

140MHz Input (2.25V Range, PGA = 0)

140MHz Input (1.5V Range, PGA = 1)

100

dBc

170MHz Input (2.25V Range, PGA = 0)

170MHz Input (1.5V Range, PGA = 1)

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

75.3

dBFS

15MHz Input (2.25V Range, PGA = 0), TA = 25°C

15MHz Input (2.25V Range, PGA = 0

15MHz Input (1.5V Range, PGA = 1)

76.3

75.9

77.4

75.2

dBFS

70MHz Input (2.25V Range, PGA = 0)

70MHz Input (1.5V Range, PGA = 1)

76.7

74.2

dBFS

140MHz Input (2.25V Range, PGA = 0), TA = 25°C

140MHz Input (1.5V Range, PGA = 1)

73.6

73.2

75.3

74.3

dBFS

170MHz Input (2.25V Range, PGA = 0)

170MHz Input (1.5V Range, PGA = 1)

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)

105

dBFS

15MHz Input (2.25V Range, PGA = 0)

15MHz Input (1.5V Range, PGA = 1)

105

dBFS

70MHz Input (2.25V Range, PGA = 0)

70MHz Input (1.5V Range, PGA = 1)

105

dBFS

140MHz Input (2.25V Range, PGA = 0)

140MHz Input (1.5V Range, PGA = 1)

100

dBFS

170MHz Input (2.25V Range, PGA = 0)

170MHz Input (1.5V Range, PGA = 1)

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)

115

dBFS

15MHz Input (2.25V Range, PGA = 0)

15MHz Input (1.5V Range, PGA = 1)

115

dBFS

70MHz Input (2.25V Range, PGA = 0)

70MHz Input (1.5V Range, PGA = 1)

115

dBFS

140MHz Input (2.25V Range, PGA = 0)

140MHz Input (1.5V Range, PGA = 1)

110

dBFS

170MHz Input (2.25V Range, PGA = 0)

170MHz Input (1.5V Range, PGA = 1)

105

dBFS

DYNAMIC ACCURACY

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