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PCM2903B Datasheet(PDF) 5 Page - Texas Instruments

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Part # PCM2903B
Description  STEREO AUDIO CODEC WITH USB INTERFACE, SINGLE-ENDED ANALOG INPUT/OUTPUT, AND S/PDIF
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

PCM2903B Datasheet(HTML) 5 Page - Texas Instruments

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PCM2903B
www.ti.com ........................................................................................................................................................................................... SLES228 – DECEMBER 2008
ELECTRICAL CHARACTERISTICS (continued)
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.
PCM2903B
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DAC CHARACTERISTICS
Resolution
8, 16
Bits
Audio data channel
1, 2
Channel
DAC Clock Frequency
fS
Sampling frequencies
32, 44.1, 48
kHz
DAC DC Accuracy
% of
Gain mismatch channel-to-channel
±1
±5
FSR
% of
Gain error
±2
±10
FSR
% of
Bipolar zero error
±2
FSR
DAC Dynamic Performance(2)
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
VPP
Center voltage
0.5 VCCC
V
Load impedance
AC coupling
10
k
–3 dB
250
kHz
LPF frequency response
f = 20 kHz
–0.03
dB
DAC Digital Filter Performance
Passband
0.445 fS
Hz
Stop band
0.555 fS
Hz
Passband ripple
±0.1
dB
Stop-band attenuation
–43
dB
td
Delay time
14.3/fS
s
POWER-SUPPLY REQUIREMENTS
VDD,
VCCC,
VCCP1,
Voltage range
3
3.3
3.6
VDC
VCCP2,
VCCX
ADC, DAC operation
54
70
mA
Supply current
Suspend mode(3)
250
µA
ADC, DAC operation
178
252
mW
PD
Power dissipation
Suspend mode(3)
0.83
mW
TEMPERATURE RANGE
Operating temperature range
–25
+85
°C
θ
JA
Thermal resistance
100
°C/W
(2)
fOUT = 1 kHz, using a System Two audio measuerment system by Audio Precision in RMS mode with a 20-kHz LPF and 400-Hz HPF.
(3)
Under USB suspend state.
Copyright © 2008, Texas Instruments Incorporated
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