LTC2202I 查看數據表（PDF） - Linear Technology

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LTC2202I

16-Bit, 25Msps/10Msps ADCs

Linear Technology 

LTC2203/LTC2202

TYPICAL PERFORMANCE CHARACTERISTICS

LTC2203: 128K Point FFT,

fIN = 5.1MHz, –1dBFS, PGA = 0

0

–10

–20

–30

– 40

– 50

– 60

–70

– 80

–90

–100

–110

–120

–130

–140

0 2 4 6 8 10 12

FREQUENCY(MHz)

22032 GO7

LTC2203: 128K Point FFT,

fIN = 5.1MHz, –20dBFS, PGA = 0,

Internal Dither “On”

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

–130

–140

0 2 4 6 8 10 12

FREQUENCY(MHz)

22032 G10

LTC2203: 128K Point FFT,

fIN = 5.1MHz, –10dBFS, PGA = 0

0

–10

–20

–30

–40

–50

– 60

–70

–80

–90

–100

–110

–120

–130

–140

0 2 4 6 8 10 12

FREQUENCY(MHz)

22032 GO8

LTC2203: 32K Point 2-Tone FFT,

fIN = 4.9MHz and 30.1MHz,

–7dBFS, PGA = 0

0

–10

–20

–30

– 40

–50

– 60

–70

– 80

–90

–100

–110

–120

–130

–140

0 2 4 6 8 10 12

FREQUENCY(MHz)

22032 G11

LTC2203: 128K Point FFT,

fIN = 5.1MHz, –20dBFS, PGA = 0,

Internal Dither “Off”

0

–10

–20

–30

– 40

–50

–60

–70

–80

–90

–100

–110

–120

–130

–140

0 2 4 6 8 10 12

FREQUENCY(MHz)

22032 GO9

LTC2203: 32K Point 2-Tone FFT,

fIN = 4.9MHz and 30.1MHz,

–15dBFS, PGA = 0

0

–10

–20

–30

– 40

– 50

– 60

–70

– 80

– 90

–100

–110

–120

–130

–140

0 2 4 6 8 10 12

FREQUENCY(MHz)

22032 G12

LTC2203: SFDR vs Input Level,

fIN = 5MHz, PGA = 0, Dither “Off”

140

120

100

80

60

40

20

0

–70 –60 –50 –40 –30 –20 –10 0

INPUT LEVEL (dBFS)

22032 G13

8

LTC2203: SFDR vs Input Level,

fIN = 5MHz, PGA = 0, Dither “On”

140

120

100

80

60

40

20

0

–70 –60 –50 –40 –30 –20 –10 0

INPUT LEVEL (dBFS)

22032 G14

LTC2203: 32K Point FFT,

fIN = 12.4MHz, –1dBFS, PGA = 0

0

–10

–20

–30

– 40

– 50

– 60

–70

– 80

– 90

–100

–110

–120

–130

–140

0 2 4 6 8 10 12

FREQUENCY(MHz)

22032 G15

22032fd

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