4–3

4.3.4.2

ADC Signal-to-Distortion (see Note 5)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VI = – 1 dB

78

VI = – 3 dB

74

79

VI = – 6 dB

77

82

Signal-to-total harmonic distortion (THD)

VI = – 9 dB

80

85

dB

VI = – 40 dB

65

70

VI = – 65 dB

42

47

VAUX = – 9 dB

80

85

NOTE 5: The test condition is a 1020-Hz input signal with an 8-kHz conversion rate. Input and output voltages are

referred to VDD /2.

4.3.4.3

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VI = – 1 dB

79

VI = – 3 dB

90

95

VI = – 6 dB

92

100

Signal-to-total harmonic distortion (THD)

VI = – 9 dB

94

103

dB

VI = – 40 dB

68

76

VI = – 65 dB

42

52

VAUX = – 9 dB

94

103

NOTE 5: The test condition is a 1020-Hz input signal with an 8-kHz conversion rate. Input and output voltages are

referred to VDD /2.

4.3.4.4

ADC Signal-to-Distortion+Noise (see Note 5)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VI = – 1 dB

77

VI = – 3 dB

73

78

VI = – 6 dB

73

78

Total harmonic distortion + noise (THD+N)

VI = – 9 dB

72

77

dB

VI = – 40 dB

41

46

VI = – 65 dB

16

21

VAUX = – 9 dB

72

77

NOTE 5: The test condition is a 1020-Hz input signal with an 8-kHz conversion rate. Input and output voltages are

referred to VDD /2.