UDA1325 데이터 시트보기 (PDF) - Philips Electronics
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UDA1325 Datasheet PDF : 52 Pages
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Philips Semiconductors
Universal Serial Bus (USB) CODEC
Preliminary specification
UDA1325
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supplies
VDDE
VDDI
IDD(tot)
IDD(tot)(ps)
supply voltage periphery
supply voltage core
total supply current
total supply current in power-saving note 1
mode
4.75 5.0
3.0
3.3
−
60
−
360
5.25 V
3.6
V
tbf
mA
−
µA
Dynamic performance DAC
(THD + N)/S
S/N
Vo(FS)(rms)
total harmonic distortion plus
noise-to-signal ratio
signal-to-noise ratio at bipolar zero
full-scale output voltage
(RMS value)
fs = 44.1 kHz; RL = 5 kΩ
fi = 1 kHz (0 dB)
−
−
fi = 1 kHz (−60 dB)
−
−
A-weighted at code 0000H 90
VDD = 3.3 V
−
−90 −80 dB
0.0032 0.01 %
−30 −20 dB
3.2
10
%
95
−
dBA
0.66 −
V
Dynamic performance PGA and ADC
(THD + N)/S total harmonic distortion plus
noise-to-signal ratio
S/N
signal-to-noise ratio
General characteristics
fs = 44.1 kHz;
PGA gain = 0 dB
fi = 1 kHz; (0 dB);
Vi = 1.0 V (RMS)
fi = 1 kHz (−60 dB)
Vi = 0.0 V
−
−85 −80 dB
−
0.0056 0.01 %
−
−30 −20 dB
−
3.2
10.0 %
90
95
−
dBA
fi(s)
Tamb
audio input sample frequency
operating ambient temperature
5
−
55
kHz
0
25
70
°C
Note
1. Exclusive the IDDE current which depends on the components connected to the I/O pins.
1999 May 10
4
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