Datasheet > LTC1748

LTC1748

更新时间： 2023-12-20 18:44:16

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	528K
描述
14 位、80Msps 低噪声 ADC

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数据手册

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LTC1748 数据手册

LTC1748

U W

DY A IC ACCURACY

T_A= 25°C, A_IN= –1dBFS (Note 5)

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

SNR

Signal-to-Noise Ratio

5MHz Input Signal (2V Range)

5MHz Input Signal (3.2V Range)

72.6

76.3

30MHz Input Signal (2V Range)

30MHz Input Signal (3.2V Range)

72.5

76.1

70MHz Input Signal (2V Range)

70MHz Input Signal (3.2V Range)

72.2

75.4

140MHz Input Signal (2V Range)

71.4

68.9

250MHz Input Signal (2V Range)

SFDR

Spurious Free Dynamic Range

5MHz Input Signal (2V Range)

5MHz Input Signal (3.2V Range) (2nd and 3rd)

5MHz Input Signal (3.2V Range) (Other)

30MHz Input Signal (2V Range)

30MHz Input Signal (3.2V Range) (2nd and 3rd)

30MHz Input Signal (3.2V Range) (Other)

70MHz Input Signal (2V Range)

70MHz Input Signal (3.2V Range) (2nd and 3rd)

70MHz Input Signal (3.2V Range) (Other)

140MHz Input Signal (2VRange) (2nd and 3rd)

140MHz Input Signal (2V Range) (Other)

250MHz Input Signal (2V Range) (2nd and 3rd)

250MHz Input Signal (2V Range) (Other)

S/(N + D) Signal-to-(Noise + Distortion) Ratio 5MHz Input Signal (2V Range)

5MHz Input Signal (3.2V Range)

72.4

76.0

74.5

30MHz Input Signal (2V Range)

30MHz Input Signal (3.2V Range)

72.3

75.6

70MHz Input Signal (2V Range)

70MHz Input Signal (3.2V Range)

THD

Total Harmonic Distortion

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

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

–90

30MHz Input Signal, First 5 Harmonics (2V Range)

30MHz Input Signal, First 5 Harmonics (3.2V Range)

–90

–85

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

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

–78

–74

IMD

Intermodulation Distortion

Sample-and-Hold Bandwidth

= 2.52MHz, f = 5.2MHz (2V Range)

dBc

IN1

IN2

= 2.52MHz, f = 5.2MHz (3.2V Range)

IN2

= 50Ω

240

MHz

SOURCE

U U

I TER AL REFERE CE CHARACTERISTICS

(Note 5)

PARAMETER

CONDITIONS

MIN

TYP

2.35

±30

MAX

UNITS

Output Voltage

Output Tempco

Line Regulation

Output Resistance

= 0

2.30

2.40

OUT

ppm/°C

mV/V

Ω

4.75V ≤ V ≤ 5.25V

1mA ≤

≤ 1mA

OUT

1748fa

1 234 5 6 7...20

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