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2002 May 22 13
Philips Semiconductors Product specification
Low power audio DAC UDA1334BT
14 AC CHARACTERISTICS
14.1 2.0 V supply voltage
V
DDD
=V
DDA
= 2.0 V; f
i
= 1 kHz; T
amb
=25°C; R
L
=5kΩ.; all voltages with respect to ground (pins V
SSA
and V
SSD
);
unless otherwise specified.
14.2 3.0 V supply voltage
V
DDD
=V
DDA
= 3.0 V; f
i
= 1 kHz; T
amb
=25°C; R
L
=5kΩ; all voltages with respect to ground (pins V
SSA
and V
SSD
);
unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
DAC
V
o(rms)
output voltage (RMS value) at 0 dB (FS) digital input − 600 − mV
∆V
o
unbalance between channels − 0.1 − dB
(THD + N)/S total harmonic
distortion-plus-noise to signal
ratio
f
s
= 44.1 kHz; at 0 dB −−80 − dB
f
s
= 44.1 kHz; at −60 dB;
A-weighted
−−37 − dB
f
s
= 96 kHz; at 0 dB −−75 − dB
f
s
= 96 kHz; at −60 dB; A-weighted −−35 − dB
S/N signal-to-noise ratio f
s
= 44.1 kHz; code = 0; A-weighted − 97 − dB
f
s
= 96 kHz; code = 0; A-weighted − 95 − dB
α
cs
channel separation − 100 − dB
PSRR power supply rejection ratio f
ripple
= 1 kHz; V
ripple
= 30 mV (p-p) − 60 − dB
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
DAC
V
o(rms)
output voltage (RMS value) at 0 dB (FS) digital input − 900 − mV
∆V
o
unbalance between channels − 0.1 − dB
(THD + N)/S total harmonic
distortion-plus-noise to signal
ratio
f
s
= 44.1 kHz; at 0 dB −−90 − dB
f
s
= 44.1 kHz; at −60 dB;
A-weighted
−−40 − dB
f
s
= 96 kHz; at 0 dB −−85 − dB
f
s
= 96 kHz; at −60 dB; A-weighted −−37 − dB
S/N signal-to-noise ratio f
s
= 44.1 kHz; code = 0; A-weighted − 100 − dB
f
s
= 96 kHz; code = 0; A-weighted − 98 − dB
α
cs
channel separation − 100 − dB
PSRR power supply rejection ratio f
ripple
= 1 kHz; V
ripple
= 30 mV (p-p) − 60 − dB