LTC2185CUPPBF 데이터 시트보기 (PDF) - Linear Technology

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LTC2185CUPPBF

16-Bit, 125/105/80Msps Low Power Dual ADCs

Linear Technology 

LTC2185/LTC2184/LTC2183

Typical Performance Characteristics

LTC2185: Integral

Non-Linearity (INL)

4.0

3.0

2.0

1.0

0

–1.0

–2.0

–3.0

–4.0

0

16384 32768 49152 65536

OUTPUT CODE

218543 G01

LTC2185: Differential

Non-Linearity (DNL)

1.0

0.8

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

–0.8

–1.0

0

16384 32768 49152 65536

OUTPUT CODE

218543 G02

LTC2185: 64k Point FFT, fIN = 5MHz,

–1dBFS, 125Msps

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0 10 20 30 40 50 60

FREQUENCY (MHz)

218543 G03

LTC2185: 64k Point FFT,

fIN = 30MHz, –1dBFS, 125Msps

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0 10 20 30 40 50 60

FREQUENCY (MHz)

218543 G04

LTC2185: 64k Point 2-Tone FFT,

fIN = 69MHz, 70MHz, –7dBFS,

125Msps

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0 10 20 30 40 50 60

FREQUENCY (MHz)

218543 G07

LTC2185: 64k Point FFT,

fIN = 70MHz, –1dBFS, 125Msps

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0 10 20 30 40 50 60

FREQUENCY (MHz)

218543 G05

LTC2185: Shorted Input Histogram

10000

9000

8000

7000

6000

5000

4000

3000

2000

1000

0

32750

32756 32762 32768

OUTPUT CODE

32774

218543 G08

LTC2185: 64k Point FFT,

fIN = 140MHz, –1dBFS, 125Msps

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

0 10 20 30 40 50 60

FREQUENCY (MHz)

218543 G06

LTC2185: SNR vs Input Frequency,

–1dBFS, 125Msps, 2V Range

78

77

SINGLE-ENDED

ENCODE

76

75

74

DIFFERENTIAL

ENCODE

73

72

71

70

0 50 100 150 200 250 300

INPUT FREQUENCY (MHz)

218543 G09

218543f

11

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