CXD2587 Ver la hoja de datos (PDF) - Sony Semiconductor

Número de pieza

componentes Descripción

Fabricante

CXD2587

CD Digital Signal Processor with Built-in Digital Servo and DAC

Sony Semiconductor 

CXD2587Q

1-bit DAC and LPF Block Analog Characteristics

Analog characteristics (VDD = AVDD = 5.0V, VSS = AVSS = 0V, Ta = 25°C)

Item

Symbol

Conditions

Total harmonic

distortion

THD

1kHz, 0dB data

Signal-to-noise

ratio

S/N

1kHz, 0dB data

(Using A-weighting filter)

Crystal

384Fs

768Fs

384Fs

768Fs

Min.

Typ.

Max. Unit

0.0050 0.0070

%

0.0045 0.0065

96

100

dB

96

100

Fs = 44.1kHz in all cases.

The total harmonic distortion and signal-to-noise ratio measurement circuits are shown below.

AOUT1 (2)

AIN1 (2)

LOUT1 (2)

12k

12k

150p

680p

12k

SHIBASOKU (AM51A)

22µ

100k

Audio Analyzer

LPF external circuit diagram

768Fs/384Fs

DATA

TEST DISC

Rch

RF

CXD2587Q

Lch

A

Audio Analyzer

B

Block diagram of analog characteristics measurement

(VDD = AVDD = 5.0V, VSS = AVSS = 0V, Topr = –20 to +75°C)

Item

Symbol Min. Typ. Max. Unit Applicable pins

Output voltage

VOUT

1.12

Vrms

∗1

Load resistance

RL

8

kΩ

∗1

∗ Measurement is conducted for the LPF external circuit diagram with the sine wave output of 1kHz and 0dB.

Applicable pins

∗1 LOUT1, LOUT2

– 11 –

Share Link: