Adc analog characteristics - commercial grade, Cs4271 – Cirrus Logic CS4271 User Manual

Page 14

Advertising
background image

CS4271

14

DS592F1

ADC ANALOG CHARACTERISTICS - COMMERCIAL GRADE

Measurement Bandwidth is 10 Hz to 20 kHz unless otherwise specified. Input is 1 kHz sine wave.

Notes: 13. Referred to the typical full-scale input voltage.

Parameter

Symbol

Min

Typ Max

Unit

Single Speed Mode Fs = 48 kHz

Dynamic Range

A-weighted

unweighted

102

99

108
105

-
-

dB
dB

Total Harmonic Distortion + Noise (Note 13)

-1 dB

-20 dB
-60 dB

THD+N

-
-
-

-98
-85
-45

-92

-
-

dB
dB
dB

Double Speed Mode Fs = 96 kHz

Dynamic Range

A-weighted

unweighted

40kHz bandwidth unweighted

102

99

-

108
105
102

-
-
-

dB
dB
dB

Total Harmonic Distortion + Noise (Note 13)

-1 dB

-20 dB
-60 dB

40kHz bandwidth -1 dB

THD+N

-
-
-
-

-98
-85
-45
-95

-92

-
-
-

dB
dB
dB
dB

Quad Speed Mode Fs = 192 kHz

Dynamic Range

A-weighted

unweighted

40kHz bandwidth unweighted

102

99

-

108
105
102

-
-
-

dB
dB
dB

Total Harmonic Distortion + Noise (Note 13)

-1 dB

-20 dB
-60 dB

40kHz bandwidth -1 dB

THD+N

-
-
-
-

-98
-85
-45
-95

-92

-
-
-

dB
dB
dB
dB

Dynamic Performance for All Modes

Interchannel Isolation

-

110

-

dB

Interchannel Phase Deviation

-

0.0001

-

Degree

DC Accuracy

Interchannel Gain Mismatch

-

0.1

-

dB

Gain Error

-

±

5

%

Gain Drift

-

±

100

-

ppm/°C

Offset Error

HPF enabled

HPF disabled

-
-

0

100

-
-

LSB
LSB

Analog Input Characteristics

Full-scale Input Voltage

0.51xVA

0.565xVA

0.62xVA

Vpp

Input Impedance

18

-

-

k

Advertising