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PCM2900 Datasheet(Fiches technique) 4 Page - Texas Instruments

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Numéro de pièce PCM2900
Description  STEREO AUDIO CODEC WITH USB INTERFACE, SINGLE ENDED ANALOG INPUT/OUTPUT AND S/PDIF
Télécharger  32 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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PCM2900
PCM2902
SLES035B − MARCH 2002 − REVISED JUNE 2004
www.ti.com
4
ELECTRICAL CHARACTERISTICS
all specifications at TA = 25°C, VBUS = 5 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted
PARAMETER
TEST CONDITIONS
PCM2900E, PCM2902E
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Clock Frequency
fS
Sampling frequency
8, 11.025, 16, 22.05, 32, 44.1, 48
kHz
DC Accuracy
Gain mismatch channel-to-channel
±1
±5 % of FSR
Gain error
±2
±10 % of FSR
Bipolar zero error
±0
% of FSR
Dynamic Performance(1)
VCCCI = 3.67 V, VIN = –0.5 dB(2)
0.01%
0.02%
THD+N
Total harmonic distortion plus noise
VIN = –0.5 dB(3)
0.1%
THD+N
Total harmonic distortion plus noise
VIN = –60 dB
5%
Dynamic range
A-weighted
81
89
dB
SNR
Signal-to-noise ratio
A-weighted
81
89
dB
Channel separation
80
85
dB
Analog Input
Input voltage
0.6
VCCCI
Vp−p
Center voltage
0.5
VCCCI
V
Input impedance
30
k
Antialiasing filter frequency response
–3 dB
150
kHz
Antialiasing filter frequency response
fIN = 20 kHz
–0.08
dB
Digital Filter Performance
Pass band
0.454 fS
Hz
Stop band
0.583 fS
Hz
Pass-band ripple
±0.05
dB
Stop-band attenuation
–65
dB
td
Delay time
17.4/fS
s
LCF frequency response
–3 dB
0.078 fS
MHz
DAC Characteristics
Resolution
8, 16
bits
Audio data channel
1, 2
channel
Clock Frequency
fS
Sampling frequency
32, 44.1, 48
kHz
(1) fIN = 1 kHz, using Audio Precision System II, RMS mode with 20-kHz LPF, 400-Hz HPF in calculation.
(2) Using external voltage regulator for VCCCI (as shown in Figure 36 and Figure 37, using with REG103xA-A)
(3) Using internal voltage regulator for VCCCI (as shown in Figure 38 and Figure 39)




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