ADS5481 datasheet(22/42 Pages) TI

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f − Frequency − MHz

−130

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

0.0

13.5

27.0

40.5

54.0

67.5

G041

fIN1 = 39.5 MHz, –10 dBFS

fIN2 = 40.5 MHz, –10 dBFS

IMD3 = 103 dBFS

SFDR = 100 dBFS

SNR = 79 dBFS

f − Frequency − Hz

−24

−21

−18

−15

−12

−9

−6

−3

10M

100M

G042

ADS5483

ADS5481

ADS5482

Code

−1.0

−0.8

−0.6

−0.4

−0.2

0.0

0.2

0.4

0.6

0.8

1.0

16384

32768

49152

65536

G043

fS = 135 MSPS

fIN = 10 MHz, –1 dBFS

Code

−4

−3

−2

−1

16384

32768

49152

65536

G044

fS = 135 MSPS

fIN = 10 MHz, –1 dBFS

ADS5481

ADS5482

ADS5483

SLAS565A – JUNE 2008 – REVISED NOVEMBER 2008................................................................................................................................................... www.ti.com

TYPICAL CHARACTERISTICS (continued)

At TA = +25°C, sampling rate = max rated, 50% clock duty cycle, 3-VPP differential sinusoidal clock, analog input amplitude =

–1 dBFS, AVDD5 = 5 V, AVDD3 = 3.3 V, and DVDD3 = 3.3 V, unless otherwise noted.

NORMALIZED GAIN RESPONSE

ADS5483 TWO-TONE INTERMODULATION DISTORTION

(FFT for 39.5 MHz and 40.5 MHz at –10 dBFS)

INPUT FREQUENCY

Figure 42.

Figure 43.

ADS5483 DIFFERENTIAL NONLINEARITY

ADS5483 INTEGRAL NONLINEARITY

Figure 44.

Figure 45.

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