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PCM2903C Datasheet(PDF) 4 Page - Texas Instruments

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Part # PCM2903C
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

PCM2903C Datasheet(HTML) 4 Page - Texas Instruments

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PCM2903C
SBFS038 – JUNE 2012
www.ti.com
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.
PCM2903C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ADC CHARACTERISTICS
Resolution
8, 16
Bits
Audio data channel
1, 2
Channel
ADC Clock Frequency
fS
Sampling frequencies
8, 11.025, 16, 22.05, 32, 44.1, 48
kHz
ADC DC Accuracy
% of
Gain mismatch, channel-to-channel
±1
±5
FSR
% of
Gain error
±2
±10
FSR
% of
Bipolar zero error
±0
FSR
ADC Dynamic Performance(1)
VIN = –1 dB
0.01
0.02
%
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 VCCC
VPP
Center voltage
0.5 VCCC
V
Input impedance
30
k
Ω
–3 dB
150
kHz
Antialising filter frequency response
fIN = 20 kHz
–0.08
dB
ADC Digital Filter Performance
Passband
0.454 fS
Hz
Stop band
0.583 fS
Hz
Passband ripple
±0.05
dB
Stop-band attenuation
–65
dB
td
Delay time
17.4/fS
s
HPF frequency response
–3 dB
0.078 fS/1000
Hz
(1)
fIN = 1 kHz, using a System Two™ audio measurement system by Audio Precision™ in RMS mode with a 20-kHz LPF and 400-Hz HPF
in the calculation.
4
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Copyright © 2012, Texas Instruments Incorporated
Product Folder Link(s): PCM2903C


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