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PCM2900B Datasheet(PDF) 5 Page - Texas Instruments

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Part # PCM2900B
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

PCM2900B Datasheet(HTML) 5 Page - Texas Instruments

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PCM2900B
PCM2902B
www.ti.com ........................................................................................................................................................................................... SLES229 – DECEMBER 2008
ELECTRICAL CHARACTERISTICS (continued)
All specifications at TA = +25°C, VBUS = 5 V, fS = 44.1 kHz, fIN = 1 kHz, and 16-bit data, unless otherwise noted.
PCM2900B, PCM2902B
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DAC CHARACTERISTICS
Resolution
8, 16
Bits
Audio data channel
1, 2
Channel
DAC Clock Frequency
fS
Sampling frequency
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(4)
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 VCCCI
VPP
Center voltage
0.5 VCCCI
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
VBUS
Voltage range
4.35
5
5.25
VDC
ADC, DAC operation
56
67
mA
Supply current
Suspend mode(5)
250
µA
ADC, DAC operation
280
352
PD
Power dissipation
mW
Suspend mode(5)
1.25
VCCCI,
VCCP1I,
VCCP2I,
Internal power-supply voltage
3.1
3.3
3.5
VDC
VCCXI,
VDDI
TEMPERATURE RANGE
Operating temperature range
–25
+85
°C
θ
JA
Thermal resistance
100
°C/W
(4)
fOUT = 1 kHz, using a System Two audio measurement system by Audio Precision in the RMS mode with 20-kHz LPF, 400-Hz HPF.
(5)
Under USB suspend state.
Copyright © 2008, Texas Instruments Incorporated
Submit Documentation Feedback
5
Product Folder Link(s): PCM2900B PCM2902B
Not Recommended For New Designs


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