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SM5879AV Datasheet, PDF (10/20 Pages) Nippon Precision Circuits Inc – 3rd-order , 2-channel D/A Converter
SM5879AV
AC Analog Characteristics
DVSS = AVSSL= AVSSR = XVSS = 0 V, DVDD = AVDDL = AVDDR = XVDD = 2.7V, P/M=2.7V, MUTE=0V,
DEEM=0V, BB1=2.7V, BB2=2.7V, crystal oscillator frequency fOSC = 16.9344 MHz, Ta = 25 °C
Parameter
Total harmonic distortion
LSI output level
Evaluation board output level
Dynamic range
Signal-to-noise ratio1
Channel separation
Symbol
THD + N
Vout1
Vout2
D.R
S/N
Ch. Sep
Condition
1 kHz, 0 dB
1 kHz, 0 dB
1 kHz, 0 dB
1 kHz, −60 dB
1 kHz, 0/−∞ dB
1 kHz, −∞/0 dB
Rating
Unit
min
typ
max
–
0.0075
0.015
%
0.65
0.70
0.75
Vrms
–
0.70
–
Vrms
86.0
91.0
–
dB
86.0
91.5
–
dB
80.0
87.0
–
dB
1. Signal-to-noise is measured following a device reset, with DATA = 0 (DI = LOW). Under these conditions, the signal-to-noise ratio includes noise-shaper
noise.
AC Measurement Circuit and Conditions
Measurement circuit block diagram
Signal
Generator
CKO(384fs)
BCK
LRCK(fs)
DATA
Left Channel
Evaluation
L/R Channel
Board 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—10