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ADS5542

SBAS308D – MAY 2004 – REVISED FEBRUARY 2007

ELECTRICAL CHARACTERISTICS (continued)

Typical values given at T

A = 25°C, min and max specified over the full recommended operating temperature range, AVDD =

DRV

DD = 3.3 V, sampling rate = 80 MSPS, 50% clock duty cycle, 3-VPP differential clock, and –1dBFS differential input,

unless otherwise noted

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Dynamic AC Characteristics

25

°C to 85°C

72.7

74.3

fIN = 10 MHz

Full temp range

71.5

74.0

fIN = 55 MHz

73.7

25

°C to 85°C

71.5

73.5

Signal-to-noise ratio, SNR

fIN = 70 MHz

dBFS

Full temp range

70.0

73

fIN = 100 MHz

72.9

fIN = 150 MHz

71.9

fIN = 220 MHz

70.7

RMS output noise

Input tied to common-mode

1.1

LSB

25

°C

80

92

fIN = 10 MHz

Full temp range

78

90

fIN = 55 MHz

88

25

°C

80

87

Spurious-free dynamic range, SFDR

fIN = 70 MHz

dBc

Full temp range

78

86

fIN = 100 MHz

88

fIN = 150 MHz

85

fIN = 220 MHz

77

25

°C

80

92

fIN = 10 MHz

Full temp range

78

90

fIN = 55 MHz

88

25

°C

80

87

Second-harmonic, HD2

fIN = 70 MHz

dBc

Full temp range

78

86

fIN = 100 MHz

88

fIN = 150 MHz

85

fIN = 220 MHz

77

25

°C

80

89

fIN = 10 MHz

Full temp range

78

88

fIN = 55 MHz

79

25

°C

80

85

Third-harmonic, HD3

fIN = 70 MHz

dBc

Full temp range

78

83

fIN = 100 MHz

83

fIN = 150 MHz

80

fIN = 220 MHz

76

fIN = 10 MHz

25

°C

88

Worst-harmonic/spur (other than HD2 and

dBc

HD3)

fIN = 70 MHz

25

°C

87

25

°C to 85°C

72.2

73.8

fIN = 10 MHz

Full temp range

71

73.5

fIN = 55 MHz

73.2

25

°C to 85°C

71

73.2

Signal-to-noise + distortion, SINAD

fIN = 70 MHz

dBFS

Full temp range

69.5

72.5

fIN = 100 MHz

72.5

fIN = 150 MHz

71.8

fIN = 220 MHz

69.8

4

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