CS5345(2004) Просмотр технического описания (PDF) - Cirrus Logic

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CS5345
(Rev.:2004)

105 dB, 24-Bit, 192 kHz Stereo Audio ADC

Cirrus Logic 

PGAOUT ANALOG CHARACTERISTICS (CONT’D)

VA = 3.3 V

Parameter

Symbol Min

Typ

Dynamic Performance with PGA Line Level Input Selected

Dynamic Range

PGA Setting: -12 dB to +6 dB

A-weighted

unweighted

94

102

91

99

PGA Setting: +12 dB Gain

A-weighted

unweighted

90

96

87

93

Total Harmonic Distortion + Noise

(Note 8) THD+N

PGA Setting: -12 dB to +12 dB

-1 dB

-

-80

-20 dB

-

-82

-60 dB

-

-42

Dynamic Performance with PGA Mic Level Input Selected

Dynamic Range

PGA Setting: -12 dB to 0 dB

A-weighted

unweighted

77

83

74

80

PGA Setting: +12 dB

A-weighted

unweighted

65

71

62

68

Total Harmonic Distortion + Noise

(Note 8) THD+N

PGA Setting: -12 dB to 0 dB

-1 dB

-

-74

-20 dB

-

-60

-60 dB

-

-20

PGA Setting: +12 dB

-1 dB

-

-68

CS5345

Max

Unit

-

dB

-

dB

-

dB

-

dB

-74

dB

-

dB

-

dB

-

dB

-

dB

-

dB

-

dB

-68

dB

-

dB

-

dB

-

dB

11

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