Adc analog characteristics, Cs4265 adc analog characteristics – Cirrus Logic CS4265 User Manual

Page 13

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DS657F3

13

CS4265

ADC ANALOG CHARACTERISTICS

Test conditions (unless otherwise specified): AGND = DGND = 0 V; VA = 3.13 V to 5.25 V; VD = 3.13 V to 5.25 V

or VA + 0.25 V, whichever is less; VLS = VLC = 1.71 V to 5.25 V; T

A

= -10° to +70° C for Commercial or -40° to

+85° C for Automotive; Input test signal: 1 kHz sine wave; measurement bandwidth is 10 Hz to 20 kHz;

Fs = 48/96/192 kHz.; All connections as shown in

Figure 9 on page 23

.

Line-Level Inputs

Parameter

Symbol

Min

Typ Max

Unit

Dynamic Performance for VA = 4.75 V to 5.25 V

Dynamic Range

PGA Setting: -12 dB to +6 dB

A-weighted

unweighted

(Note 13)

40 kHz bandwidth unweighted

PGA Setting: +12 dB Gain

A-weighted

unweighted

(Note 13)

40 kHz bandwidth unweighted

98

95

-

92

89

-

104

101

98

98

95

92

-

-

-

-

-

-

dB

dB

dB

dB

dB

dB

Total Harmonic Distortion + Noise

(Note 12)

PGA Setting: -12 dB to +6 dB

-1 dB

-20 dB

-60 dB

(Note 13)

40 kHz bandwidth -1 dB

PGA Setting: +12 dB Gain

-1 dB

-20 dB

-60 dB

(Note 13)

40 kHz bandwidth -1 dB

THD+N

-

-

-

-

-

-

-

-

-95

-81

-41

-92

-92

-75

-35

-89

-89

-

-

-

-86

-

-

-

dB

dB

dB

dB

dB

dB

dB

dB

Dynamic Performance for VA = 3.13 V to 3.46 V

Dynamic Range

PGA Setting: -12 dB to +6 dB

A-weighted

unweighted

(Note 13)

40 kHz bandwidth unweighted

PGA Setting: +12 dB Gain

A-weighted

unweighted

(Note 13)

40 kHz bandwidth unweighted

93

90

-

89

86

-

101

98

95

95

92

89

-

-

-

-

-

-

dB

dB

dB

dB

dB

dB

Total Harmonic Distortion + Noise

(Note 12)

PGA Setting: -12 dB to +6 dB

-1 dB

-20 dB

-60 dB

(Note 13)

40 kHz bandwidth -1 dB

PGA Setting: +12 dB Gain

-1 dB

-20 dB

-60 dB

(Note 13)

40 kHz bandwidth -1 dB

THD+N

-

-

-

-

-

-

-

-

-92

-78

-38

-84

-89

-72

-32

-81

-86

-

-

-

-83

-

-

-

dB

dB

dB

dB

dB

dB

dB

dB

Line-Level Inputs

Parameter

Symbol

Commercial Grade

Unit

Min

Typ Max

Interchannel Isolation

-

90

-

dB

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