Auxiliary output analog characteristics, Note 19), Notes – Cirrus Logic CS4245 User Manual

Page 18: Cs4245 auxiliary output analog characteristics

Advertising
background image

18

DS656F3

CS4245

AUXILIARY OUTPUT ANALOG CHARACTERISTICS

(Continued)

18. One-half LSB of triangular PDF dither added to data.
19. Referred to the typical Line-Level Full-Scale Input Voltage.

VA = 3.13 V to 3.46 V

Parameter

Symbol

Commercial Grade

Automotive Grade

Unit

Min

Typ Max

Min

Typ Max

Dynamic Performance with PGA Output Selected, Line Level Input

Dynamic Range

PGA Setting: -12 dB to +6 dB

A-weighted

unweighted

PGA Setting: +12 dB Gain

A-weighted

unweighted

93

90

89

86

101

98

95

92

-

-

-

-

91

88

87

84

101

98

95

92

-

-

-

-

dB

dB

dB

dB

Total Harmonic Distortion + Noise

(Note 19)

PGA Setting: -12 dB to +6 dB

-1 dB

-20 dB

-60 dB

PGA Setting: +12 dB Gain

-1 dB

-20 dB

-60 dB

THD+N

-

-

-

-

-

-

-80

-78

-38

-80

-72

-32

-74

-

-

-74

-

-

-

-

-

-

-

-

-80

-78

-38

-80

-72

-32

-72

-

-

-72

-

-

dB

dB

dB

dB

dB

dB

Dynamic Performance with PGA Output Selected, Mic Level Input

Dynamic Range

PGA Setting: -12 dB to 0 dB

A-weighted

unweighted

PGA Setting: +12 dB

A-weighted

unweighted

77

74

65

62

83

80

71

68

-

-

-

-

75

72

63

60

83

80

71

68

-

-

-

-

dB

dB

dB

dB

Total Harmonic Distortion + Noise

(Note 19)

PGA Setting: -12 dB to 0 dB

-1 dB

-20 dB

-60 dB

PGA Setting: +12 dB

-1 dB

THD+N

-

-

-

-

-74

-60

-20

-68

-68

-

-

-

-

-

-

-

-74

-60

-20

-68

-66

-

-

-

dB

dB

dB

dB

Dynamic Performance with DAC Output Selected

Dynamic Range

(Notes

18

)

18 to 24-Bit

A-Weighted

unweighted

16-Bit

A-Weighted

unweighted

95

92

88

85

101

98

93

90

-

-

-

-

93

90

86

83

101

98

93

90

-

-

-

-

dB

dB

dB

dB

Total Harmonic Distortion + Noise (Notes

18

,

20

)

18 to 24-Bit

0 dB

-20 dB

-60 dB

16-Bit

0 dB

-20 dB

-60 dB

THD+N

-

-

-

-

-

-

-80

-78

-38

-80

-70

-30

-74

-

-

-74

-

-

-

-

-

-

-

-

-80

-78

-38

-80

-70

-30

-72

-

-

-72

-

-

dB

dB

dB

dB

dB

dB

Advertising