SM5876 데이터 시트보기 (PDF) - Nippon Precision Circuits

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SM5876

3rd-order Σ∆, 2-channel D/A Converter

Nippon Precision Circuits  

SM5876AM

AC Measurement Circuit and Conditions

Measurement circuit block diagram

Signal

Generator

CKO

(768fs/384fs)

BCK

LRCK(fs)

DATA

Evaluation

Board

Left Channel

L/R Channel

Right Channel Selector

Distortion

Analyzer

fs= 44.1kHz

DATA= 16bit

Measurement conditions

Parameter1

Total harmonic distortion

Output level

Dynamic range

Signal-to-noise ratio

Symbol

THD + N

Vout

DR

S/N

Channel separation

Ch. Sep

1. Pins LO and RO should have an output load of 10 kΩ (min).

10kΩ Input Impedance

NF Corporation 3346A

RMS Measurement

Shibasoku AD725C

3346A left/right-channel selector

switch

AD725C distortion analyzer with

built-in filter

THRU

D-RANGE

THRU

THRU

20 kHz lowpass filter ON

400 Hz highpass filter OFF

20 kHz lowpass filter ON

400 Hz highpass filter OFF

JIS A filter ON

20 kHz lowpass filter ON

400 Hz highpass filter OFF

NIPPON PRECISION CIRCUITS—11

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