ADS4225 datasheet(55/104 Pages) TI1

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0.8

0.85

0.9

0.95

1.05

1.1

86.5

87.5

88.5

89.5

90.5

73.2

73.3

73.4

73.5

73.6

73.7

73.8

73.9

74.1

74.2

Input CommonMode Voltage (V)

SFDR

SNR

Input Frequency = 40MHz

0.8

0.85

0.9

0.95

1.05

1.1

71.1

71.2

71.3

71.4

71.5

71.6

71.7

71.8

71.9

Input CommonMode Voltage (V)

SFDR

SNR

Input Frequency = 150MHz

−40

−15

Temperature (°C)

AVDD = 1.7

AVDD = 1.75

AVDD = 1.80

AVDD = 1.85

AVDD = 1.90

AVDD = 1.95

Input Frequency = 150MHz

69.5

70.5

71.5

−40

−15

Temperature (°C)

AVDD = 1.7

AVDD = 1.75

AVDD = 1.80

AVDD = 1.85

AVDD = 1.90

AVDD = 1.95

Input Frequency = 150MHz

ADS4222, ADS4225, ADS4226

ADS4242, ADS4245, ADS4246

www.ti.com

SBAS533C

– MARCH 2011 – REVISED JUNE 2011

TYPICAL CHARACTERISTICS: ADS4242 (continued)

At TA = +25°C, AVDD = 1.8V, DRVDD = 1.8V, maximum rated sampling frequency, sine wave input clock, 1.5VPP differential

clock amplitude, 50% clock duty cycle,

–1dBFS differential analog input, High-Performance Mode disabled, 0dB gain, DDR

LVDS output interface, and 32k point FFT, unless otherwise noted.

PERFORMANCE vs INPUT COMMON-MODE VOLTAGE

Figure 72.

Figure 73.

SFDR vs TEMPERATURE AND AVDD SUPPLY

SNR vs TEMPERATURE AND AVDD SUPPLY

Figure 74.

Figure 75.

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Product Folder Link(s): ADS4222 ADS4225 ADS4226 ADS4242 ADS4245 ADS4246

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