LTC1744 datasheet(3/24 Pages) LINER

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LTC1744

1744f

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

SNR

Signal-to-Noise Ratio

5MHz Input Signal (2V Range)

73.5

dBFS

5MHz Input Signal (3.2V Range)

75.5

dBFS

25MHz Input Signal (2V Range)

72.5

dBFS

25MHz Input Signal (3.2V Range)

75.5

dBFS

70MHz Input Signal (2V Range)

dBFS

70MHz Input Signal (3.2V Range)

71.5

dBFS

SFDR

Spurious Free Dynamic Range

5MHz Input Signal (2V Range)

5MHz Input Signal (3.2V Range)

25MHz Input Signal (2V Range)

25MHz Input Signal (3.2V Range)

70MHz Input Signal (2V Range)

70MHz Input Signal (3.2V Range)

S/(N + D)

Signal-to-(Noise + Distortion) Ratio

5MHz Input Signal (2V Range)

dBFS

5MHz Input Signal (3.2V Range)

dBFS

25MHz Input Signal (2V Range)

72.5

dBFS

25MHz Input Signal (3.2V Range)

73.5

dBFS

70MHz Input Signal (2V Range)

dBFS

70MHz Input Signal (3.2V Range)

dBFS

THD

Total Harmonic Distortion

5MHz Input Signal, First 5 Harmonics (2V Range)

– 90

5MHz Input Signal, First 5 Harmonics (3.2V Range)

– 85

25MHz Input Signal, First 5 Harmonics (2V Range)

– 85

25MHz Input Signal, First 5 Harmonics (3.2V Range)

– 78

70MHz Input Signal, First 5 Harmonics (2V Range)

– 72

70MHz Input Signal, First 5 Harmonics (3.2V Range)

– 65

IMD

Intermodulation Distortion

fIN1 = 2.52MHz, fIN2 = 5.2MHz (2V Range)

– 90

dBc

fIN1 = 2.52MHz, fIN2 = 5.2MHz (3.2V Range)

– 80

dBc

Sample-and-Hold Bandwidth

RSOURCE = 50Ω

150

MHz

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCM Output Voltage

IOUT = 0

2.42

2.5

2.58

VCM Output Tempco

IOUT = 0

±30

ppm/

°C

VCM Line Regulation

4.75V

≤ VDD ≤ 5.25V

mV/V

VCM Output Resistance

1mA

≤ IOUT ≤ 1mA

Ω

The q indicates specifications which apply over the full operating temperature range,

otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5)

DY A IC ACCURACY

(Note 5)

I TER AL REFERE CE CHARACTERISTICS

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