SM5865CM Datasheet, PDF (8/20 Pages) Nippon Precision Circuits Inc – D/A Converter for Digital Audio

SM5865CM
AC Analog Characteristics
Measurement Conditions
External 8fs digital filter
: NPC SM5847AF
External operational amplifier : JRC NJM5534D
Supply voltage SM5865CM : DVDD = AVDDA = AVDDB = 5V,
DVSS = AVSSA = AVSSB = CVSS = 0V
SM5847AF : + 3.3V
NJM5534D : ± 15V
Ambient temperature
: 25 °C
Input data of SM5847AF
: 48kHz sampling (fs), 24-bit data
System clock
: 24.576MHz (= 512fs), (64fs noise shaper operation)
Audio analyzer
: Audio Precision System Two (RMS mode)
Measurement filter condition : THD + N 22HzHPF, 20kHzLPF (FLP-A20K)
: D.R
22HzHPF, 22kHzLPF, A-weight (FIL-AWT)
: S/N
22HzHPF, 22kHzLPF, A-weight (FIL-AWT)
Measurement circuits diagram : See next page.
Analog Characteristics
Parameter
Symbol
Condition
Output level¹
Total harmonic distortion
V_out
THD + N
1 kHz, 0 dB
1 kHz, 0 dB
Dynamic range
D.R
Signal-to-noise ratio
S/N
Gain drift
G.D
1. V_out is the output level of the first I–V conversion stage.
1 kHz, −60 dB
1 kHz, 0/−∞ dB
Rating
Unit
min
typ
max
1.28
1.33
1.38
Vrms
–
0.00030 0.00060
(− 110.5dB) (− 104.4dB)
%
111
117
–
dB
117
120
–
dB
–
10
–
ppm/°C
NIPPON PRECISION CIRCUITS—8