ADS62P49 datasheet(41/76 Pages) TI | Dual Channel 14-/12-Bit, 250-/210-MSPS ADC With DDR LVDS and Parallel CMOS Outputs

Part No.	ADS62P49

Description	Dual Channel 14-/12-Bit, 250-/210-MSPS ADC With DDR LVDS and Parallel CMOS Outputs

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Manufacturer	TI [Texas Instruments]

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TA − Free-Air Temperature − °C

72.50

72.75

73.00

73.25

73.50

73.75

74.00

−40

−20

0

20

40

60

80

G030

AVDD = 3.6 V

AVDD = 3.3 V

AVDD = 3.15 V

DRVDD = 1.8 V

fIN = 20 MHz

70

71

72

73

74

75

76

77

78

DRVDD − Supply Voltage − V

G031

SNR

SFDR

AVDD = 3.3 V

fIN = 20 MHz

78

79

80

81

82

83

84

85

86

1.70

1.74

1.78

1.82

1.86

1.90

70

71

72

73

74

75

76

77

78

Input Clock Amplitude − VPP

G032

74

76

78

80

82

84

86

88

90

0.0

0.5

1.0

1.5

2.0

2.5

SNR

SFDR

fIN = 60 MHz

70

71

72

73

74

75

76

77

78

Input Clock Duty Cycle − %

G033

SNR

SFDR

fIN = 20 MHz

78

80

82

84

86

88

90

92

94

30

35

40

45

50

55

60

65

70

72

74

76

78

80

VVCM − VCM Voltage − V

G034

80

82

84

86

88

90

1.30

1.35

1.40

1.45

1.50

1.55

1.60

1.65

1.70

fIN = 60 MHz

External Reference Mode

SNR

SFDR

ADS62P49 / ADS62P29

ADS62P48 / ADS62P28

www.ti.com............................................................................................................................................................. SLAS635A – APRIL 2009 – REVISED JUNE 2009

TYPICAL CHARACTERISTICS – ADS62P48 (continued)

All plots are at 25°C, AVDD = 3.3 V, DRVDD = 1.8 V, maximum rated sampling frequency, sine wave input clock. 1.5 VPP

differential clock amplitude, 50% clock duty cycle, –1 dBFS differential analog input, internal reference mode, 0 dB gain,

LVDS output interface, 32K point FFT (unless otherwise noted)

SNR vs AVDD SUPPLY VOLTAGE

PERFORMANCE vs DRVDD SUPPLY VOLTAGE

Figure 44.

Figure 45.

PERFORMANCE vs INPUT CLOCK AMPLITUDE

PERFORMANCE vs INPUT CLOCK DUTY CYCLE

Figure 46.

Figure 47.

PERFORMANCE IN EXTERNAL REFERENCE MODE

Figure 48.

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Product Folder Link(s): ADS62P49 / ADS62P29 ADS62P48 / ADS62P28

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