sm5876 Nippon Precision Circuits Inc, (NPC), sm5876 Datasheet - Page 11

• Manufacturer Part Number: sm5876
• Description: 3rd-order, 2-channel D/a Converter
• Manufacturer: Nippon Precision Circuits Inc, (NPC)

AC Measurement Circuit and Conditions
Measurement circuit block diagram
Measurement conditions
1. Pins LO and RO should have an output load of 10 k (min).
Total harmonic distortion
Output level
Dynamic range
Signal-to-noise ratio
Channel separation
Generator
Signal
Parameter
1
DATA= 16bit
fs= 44.1kHz
(768fs/384fs)
LRCK(fs)
DATA
BCK
CKO
Evaluation
THD
Symbol
Board
Ch. Sep
V
S/N
DR
out
N
Right Channel
Left Channel
SM5876AM
3346A left/right-channel selector
NF Corporation 3346A
10k Input Impedance
D-RANGE
L/R Channel
switch
THRU
THRU
THRU
Selector
NIPPON PRECISION CIRCUITS—11
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
AD725C distortion analyzer with
Shibasoku AD725C
RMS Measurement
built-in filter
Distortion
Analyzer