CDB4397(1999) Просмотр технического описания (PDF) - Cirrus Logic

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CDB4397
(Rev.:1999)

24-Bit, Multi-Standard D/A Converter for Digital Audio

Cirrus Logic 

CS4397

ANALOG CHARACTERISTICS - DSD MODE (TA = 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 RL = 1 kΩ, CL = 10 pF)

Parameter

Symbol Min

Typ

Max

Unit

Dynamic Performance - DSD Mode

Dynamic Range

(Note 1)

unweighted

A-Weighted

TBD

117

-

dB

TBD

120

-

dB

Total Harmonic Distortion + Noise

(Note 1) THD+N

0 dB

-

-20 dB

-

-60 dB

-

-100

TBD

dB

-94

TBD

dB

-54

TBD

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

Fs

-

-

2.70

Fs

Frequency Response 10 Hz to 20 kHz

-0.013

-

0

dB

Group Delay

tgd

-

0.2/Fs

-

s

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

DS333PP1

7

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