參數(shù)資料
型號： PCM2906DB
元件分類： Codec
英文描述： STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF
中文描述： 立體聲音頻編解碼器帶USB接口的單ENEDE模擬輸入/輸出和S / PDIF
文件頁數(shù)： 4/32頁
文件大?。?/td> 299K
代理商： PCM2906DB
SLES042A JUNE 2002 REVISED JUNE 2004
www.ti.com
4
ELECTRICAL CHARACTERISTICS(continued)
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
PCM2904DB, PCM2906DB
MIN
UNIT
TYP
MAX
Dynamic Performance(1)
VIN = –0.5 dB(2), VCCCI = 3.67 V
VIN = –0.5 dB(3)
VIN = –60 dB
A-weighted
A-weighted
0.01%
0.1%
5%
0.02%
THD+N
Total harmonic distortion plus noise
Dynamic range
S/N ratio
Channel separation
81
81
80
89
89
85
dB
dB
dB
Analog Input
Input voltage
Center voltage
Input impedance
0.6 VCCCI
0.5 VCCCI
Vpp
V
k
kHz
dB
30
150
–0.08
Antialiasing filter frequency response
–3 dB
fIN = 20 kHz
Digital Filter Performance
Pass band
Stop band
Pass-band ripple
Stop-band attenuation
td
Delay time
LCF frequency response
DAC Characteristics
Resolution
Audio data channel
Clock Frequency
fs
Sampling frequency
DC Accuracy
Gain mismatch, channel-to-channel
Gain error
Bipolar zero error
Dynamic Performance(4)
0.454 fs
Hz
Hz
dB
dB
s
MHz
0.583 fs
±
0.05
–65
17.4/fs
0.078 fs
–3 dB
8, 16
1, 2
bits
channel
32, 44.1, 48
kHz
±
1
±
2
±
2
±
5
±
10
% of FSR
% of FSR
% of FSR
THD+N
Total harmonic distortion plus noise
VOUT = 0 dB
VOUT = –60 dB
EIAJ, A-weighted
EIAJ, A-weighted
0.005%
0.016%
3%
93
96
92
Dynamic range
Signal-to-noise ratio
Channel separation
87
90
86
dB
dB
dB
SNR
(1)fIN = 1 kHz, using the System Two
audio measurement system by Audio Precision
in 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 REG103xAA)
(3)Using internal voltage regulator for VCCCI (as shown in Figure 38 and Figure 39)
(4)fOUT = 1 kHz, using the System Two audio measurement system by Audio Precision in RMS mode with 20 kHz LPF, 400 Hz HPF.
System Two and Audio Precision are trademarks of Audio Precision, Inc.
Other trademarks are the property of their respective owners.
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