SM5865AM datasheet(7/17 Pages) NPC

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SM5865AM

NIPPON PRECISION CIRCUITS—7

AC Analog Characteristics

DVDD = AVDDA = AVDDB = 5 V, DVSS = AVSSA = AVSSB = CVSS = 0 V, Ta = 25 °C,

44.1 kHz input sampling frequency, fCKI = 16.9344 MHz (384fs), 48fs operation

Estimated values for audio signal data with up to 20 kHz bandwidth,

DVDD = AVDDA = AVDDB = 5 V, DVSS = AVSSA = AVSSB = CVSS = 0 V, Ta = 25 °C,

48 kHz input sampling frequency, fCKI = 24.576 MHz (512fs), 64fs operation

96 kHz input sampling frequency, fCKI = 24.576 MHz (256fs), 32fs operation

Measurement circuit block diagram

Measurement conditions

DVDD = AVDDA = AVDDB = 5 V, DVSS = AVSSA = AVSSB = CVSS = 0 V, Ta = 25 °C

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Total harmonic distortion

THD

+ N

1 kHz, 0 dB

TBD

LSI output level

Vout1

1 kHz, 0 dB

Vrms

Dynamic range

D.R

1 kHz,

−60 dB

Signal-to-noise ratio

S/N

1 kHz, 0/

−∞ dB

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Total harmonic distortion

THD

+ N

1 kHz, 0 dB

TBD

LSI output level

Vout1

1 kHz, 0 dB

Vrms

Dynamic range

D.R

1 kHz,

−60 dB

Signal-to-noise ratio

S/N

1 kHz, 0/

−∞ dB

Parameter

Symbol

3346A left/right-channel selector

switch

AD725C distortion analyzer with

built-in ﬁlter

Total harmonic distortion

THD

+ N

THRU

20 kHz lowpass ﬁlter ON

400 Hz highpass ﬁlter OFF

Output level

Vout

Dynamic range

D.R

D-RANGE

Signal-to-noise ratio

S/N

THRU

20 kHz lowpass ﬁlter ON

400 Hz highpass ﬁlter OFF

JIS A ﬁlter ON

Signal

Generator

Evaluation

Board

L/R Channel

Selector

Distortion

Analyzer

BCK

WCKI

DATA

fs= 44.1kHz

10k

Ω Input Impedance

NF Corporation 3346A

RMS Measurement

Corresponds to

Shibasoku AD725C

CKO(384fs)

SM5865AM Datasheet(PDF) 7 Page - Nippon Precision Circuits Inc

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