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1999 May 10 4
Philips Semiconductors Preliminary specification
Universal Serial Bus (USB) CODEC UDA1325
QUICK REFERENCE DATA
Note
1. Exclusive the IDDE current which depends on the components connected to the I/O pins.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Supplies
V
DDE
supply voltage periphery 4.75 5.0 5.25 V
V
DDI
supply voltage core 3.0 3.3 3.6 V
I
DD(tot)
total supply current − 60 tbf mA
I
DD(tot)(ps)
total supply current in power-saving
mode
note 1 − 360 −µA
Dynamic performance DAC
(THD + N)/S total harmonic distortion plus
noise-to-signal ratio
f
s
= 44.1 kHz; R
L
=5kΩ
f
i
= 1 kHz (0 dB) −−90 −80 dB
− 0.0032 0.01 %
f
i
= 1 kHz (−60 dB) −−30 −20 dB
− 3.2 10 %
S/N signal-to-noise ratio at bipolar zero A-weighted at code 0000H 90 95 − dBA
V
o(FS)(rms)
full-scale output voltage
(RMS value)
V
DD
= 3.3 V − 0.66 − V
Dynamic performance PGA and ADC
(THD + N)/S total harmonic distortion plus
noise-to-signal ratio
f
s
= 44.1 kHz;
PGA gain = 0 dB
f
i
= 1 kHz; (0 dB);
V
i
= 1.0 V (RMS)
−−85 −80 dB
− 0.0056 0.01 %
f
i
= 1 kHz (−60 dB) −−30 −20 dB
− 3.2 10.0 %
S/N signal-to-noise ratio V
i
= 0.0 V 90 95 − dBA
General characteristics
f
i(s)
audio input sample frequency 5 − 55 kHz
T
amb
operating ambient temperature 0 25 70 °C