LTC2252 Просмотр технического описания (PDF) - Linear Technology

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LTC2252

12-Bit, 125/105Msps Low Power 3V ADCs

Linear Technology 

LTC2253/LTC2252

TYPICAL PERFOR A CE CHARACTERISTICS

LTC2253: Typical INL, 2V Range,

125Msps

1.0

0.8

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

–0.8

–1.0

0

1024

2048

CODE

3072

4096

22532 G01

LTC2253: 8192 Point FFT,

fIN = 30MHz, –1dB, 2V Range,

125Msps

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0

10 20

30 40

50 60

FREQUENCY (MHz)

22532 G04

LTC2253: Typical DNL, 2V Range,

125Msps

1.0

0.8

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

–0.8

–1.0

0

1024

2048

CODE

3072

4096

22532 G02

LTC2253: 8192 Point FFT,

fIN = 70MHz, –1dB, 2V Range,

125Msps

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0

10 20 30 40 50 60

FREQUENCY (MHz)

22532 G05

LTC2253: 8192 Point 2-Tone FFT,

fIN = 28.2MHz and 26.8MHz, –1dB,

2V Range, 125Msps

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0

10 20

30 40 50 60

FREQUENCY (MHz)

22532 G07

LTC2253: Grounded Input

Histogram, 125Msps

70000

60000

58717

50000

40000

30000

20000

10000

00

2044

4249

2045

2562

2046 2047

CODE

0

2048

22532 G08

6

LTC2253: 8192 Point FFT,

fIN = 5MHz, –1dB, 2V Range,

125Msps

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0

10 20 30 40 50 60

FREQUENCY (MHz)

22532 G03

LTC2253: 8192 Point FFT,

fIN = 140MHz, –1dB, 2V Range,

125Msps

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0

10 20 30 40 50 60

FREQUENCY (MHz)

22532 G06

LTC2253: SNR vs Input Frequency,

–1dB, 2V Range, 125Msps

73

72

71

70

69

68

67

66

65

0 50 100 150 200 250 300 350

INPUT FREQUENCY (MHz) 22532 G09

22532fa

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