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
VDDE supply voltage periphery 4.75 5.0 5.25 V
VDDI supply voltage core 3.0 3.3 3.6 V
IDD(tot) total supply current −60 tbf mA
IDD(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 fs= 44.1kHz; RL=5kΩ
f
i= 1kHz (0 dB) −−90 −80 dB
−0.0032 0.01 %
fi= 1kHz (−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
Vo(FS)(rms) full-scale output voltage
(RMS value) VDD = 3.3 V −0.66 −V
Dynamic performance PGA andADC
(THD +N)/S total harmonic distortion plus
noise-to-signal ratio fs= 44.1 kHz;
PGA gain =0 dB
fi= 1kHz; (0 dB);
Vi= 1.0 V (RMS)
−−85 −80 dB
−0.0056 0.01 %
fi= 1kHz (−60 dB) −−30 −20 dB
−3.2 10.0 %
S/N signal-to-noise ratio Vi= 0.0 V 90 95 −dBA
General characteristics
fi(s) audio input sample frequency 5 −55 kHz
Tamb operating ambient temperature 0 25 70 °C