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PCM2901 Datasheet(Fiches technique) 5 Page - Texas Instruments

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Numéro de pièce PCM2901
Description  STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENDED ANALOG INPUT/OUTPUT AND S/P DIF
Télécharger  33 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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PCM2901
PCM2903
SLES034B − MARCH 2002 − REVISED JUNE 2004
www.ti.com
5
ELECTRICAL CHARACTERISTICS
all specifications at TA = 25°C, VCCC = VCCP1 = VCCP2 = VCCX = VDD = 3.3 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted
PARAMETER
TEST CONDITIONS
PCM2901E, PCM2903E
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DC Accuracy
Gain mismatch channel-to-channel
±1
±5 % of FSR
Gain error
±2
±10 % of FSR
Bipolar zero error
±2
% of FSR
Dynamic Performance(1)
THD+N
Total harmonic distortion plus noise
VOUT = 0 dB
0.005%
0.016%
THD+N
Total harmonic distortion plus noise
VOUT = –60 dB
3%
Dynamic range
EIAJ, A-weighted
87
93
dB
SNR
Signal-to-noise ratio
EIAJ, A-weighted
90
96
dB
Channel separation
86
92
dB
Analog Output
VO
Output voltage
0.6
VCCC
Vp−p
Center voltage
0.5
VCCC
V
Load impedance
AC coupling
10
k
LPF frequency response
–3 dB
250
kHz
LPF frequency response
f = 20 kHz
–0.03
dB
Digital filter performance
Pass band
0.445 fS
Hz
Stop band
0.555 fS
Hz
Pass-band ripple
±0.1
dB
Stop-band attenuation
–43
dB
td
Delay time
14.3 fS
s
Power Supply Requirements
Voltage range (VDD, VCCC, VCCP1, VCCP2, VCCX)
3
3.3
3.6
VDC
Supply current
ADC, DAC operation
54
70
mA
Supply current
Suspend mode(2)
210
µA
PD
Power dissipation
ADC, DAC operation
178
252
mW
PD
Power dissipation
Suspend mode(2)
0.69
mW
Temperature Range
Operation temperature
–25
85
_C
θJA
Thermal resistance
28-pin SSOP
100
°C/W
(1) fOUT = 1 kHz, using Audio Precision System II, RMS mode with 20-kHz LPF, 400-Hz HPF.
(2) Under USB suspend state




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