Philips Semiconductors
Preliminary specification
Stereo audio codec with SPDIF interface
UDA1355H
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Reference voltage
VREF
reference voltage on
pin REF
with respect to VSSA
0.45VDD 0.5VDD 0.55VDD
V
Digital-to-analog converter
Vo(rms)
output voltage (RMS value)
−
−
900
0.1
−
−
mV
dB
∆Vo
output voltage unbalance
(THD+N)/S
total harmonic
distortion-plus-noise to
signal ratio
IEC 60958 input; fs = 48 kHz
at 0 dB
−
−
−
−88
−75
−37
−
−
−
dB
dB
dB
at −20 dB
at −60 dB; A-weighted
IEC 60958 input; fs = 96 kHz
at 0 dB
−
−
−83
−37
−
−
dB
dB
at −60 dB; A-weighted
S/N
signal-to-noise ratio
IEC 60958 input; code = 0;
A-weighted
fs = 48 kHz
fs = 96 kHz
−
−
−
3
−
−
−
98
96
100
−
−
dB
dB
dB
kΩ
pF
Ω
−
αcs
RL
channel separation
load resistance
fi = 1 kHz tone
−
−
CL
load capacitance
output resistance
maximum output current
note 2
−
200
3.0
−
Ro
0.13
tbf
Io(max)
(THD + N)/S < 0.1%;
mA
RL = 5 kΩ
Analog-to-digital converter
VADCP
VADCN
Vi(rms)
positive ADC reference
voltage
−
−
−
−
VDDA2
0.0
−
−
−
−
V
negative ADC reference
voltage
V
input voltage (RMS value)
Vo = −1.16 dBFS digital
output
1.0
V
∆Vi
input voltage unbalance
0.1
dB
(THD+N)/S
total harmonic
fs = 48 kHz
distortion-plus-noise to
signal ratio
at 0 dB
−
−
−85
−35
−
−
dB
dB
at −60 dB; A-weighted
fs = 96 kHz
at 0 dB
−
−
−85
−35
−
−
dB
dB
at −60 dB; A-weighted
code = 0; A-weighted
fs = 48 kHz
S/N
signal-to-noise ratio
channel separation
−
−
−
97
−
−
−
dB
dB
dB
fs = 96 kHz
95
αcs
100
2003 Apr 10
65
NXP [ NXP ]
