Analog characteristics - dsd mode, Cs4397 – Cirrus Logic CS4397 User Manual

Page 7

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CS4397

DS333F1

7

ANALOG CHARACTERISTICS - DSD MODE

(T

A

= 25 °C; Logic "1" = VD = 5 V; VA = 5V;

Logic "0" = AGND; Full-Scale Output Sine Wave, 997 Hz; Measurement Bandwidth 10 Hz to 20 kHz, unless other-
wise specified. Test load R

L

= 1 k

Ω, C

L

= 10 pF)

Notes: 8. Assumes a DSD modulation index of 0.7.

Parameter

Symbol

Min

Typ

Max

Unit

Dynamic Performance - DSD Mode

Dynamic Range

(Note 1)

unweighted

A-Weighted

TBD
TBD

117

120

-
-

dB
dB

Total Harmonic Distortion + Noise

(Note 1)

0 dB

-20 dB
-60 dB

THD+N

-
-
-

-100

-94
-54

TBD
TBD
TBD

dB
dB
dB

Analog Output - DSD Mode

Full Scale Differential Output Voltage

(Note 8)

TBD

1.2VREF

TBD

Vpp

Common Mode Voltage

-

0.5VREF

-

VDC

Interchannel Gain Mismatch

-

0.1

-

dB

Gain Drift

-

100

-

ppm/°C

Differential DC Offset

-

2.0

TBD

mV

Combined Digital and On-chip Analog Filter Response - DSD Mode

Passband

(Note 4)

to -0.1 dB corner

to -3 dB corner

-
-

-
-

0.95
2.70

Fs
Fs

Frequency Response 10 Hz to 20 kHz

-0.013

-

0

dB

Group Delay

tgd

-

0.2/Fs

-

s

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