LTC2248 datasheet(9/24 Pages) LINER

9 / 24 page

LTC2248/LTC2247/LTC2246

224876fa

CODE

12288

2246 G01

4096

8192

16384

2.0

1.5

1.0

0.5

–0.5

–1.0

–1.5

–2.0

CODE

12288

2246 G02

4096

8192

16384

FREQUENCY (MHz)

2246 G03

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

FREQUENCY (MHz)

2246 G04

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

FREQUENCY (MHz)

2246 G05

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

FREQUENCY (MHz)

2246 G06

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

1.00

0.75

0.50

0.25

–0.25

–0.50

–0.75

–1.00

INPUT LEVEL (dBFS)

–60

– 50

– 40

–20

–30

–10

2247 G13

120

110

100

dBFS

dBc

90dBc SFDR

REFERENCE LINE

SAMPLE RATE (Msps)

2247 G14

2V RANGE

1V RANGE

SAMPLE RATE (Msps)

2247 G15

LTC2247: IOVDD vs Sample Rate,

5MHz Sine Wave Input, –1dB,

OVDD = 1.8V

LTC2247: IVDD vs Sample Rate,

5MHz Sine Wave Input, –1dB

TYPICAL PERFOR A CE CHARACTERISTICS

LTC2247: SFDR vs Input Level,

fIN = 5MHz, 2V Range, 40Msps

LTC2246: Typical INL,

2V Range, 25Msps

LTC2246: Typical DNL,

2V Range, 25Msps

LTC2246: 8192 Point FFT,

fIN = 5MHz, –1dB, 2V Range,

25Msps

LTC2246: 8192 Point FFT,

fIN = 30MHz, –1dB, 2V Range,

25Msps

LTC2246: 8192 Point FFT,

fIN = 70MHz, –1dB, 2V Range,

25Msps

LTC2246: 8192 Point FFT,

fIN = 140MHz, –1dB, 2V Range,

25Msps

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