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PCM2906CDB 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
编解码器
封装:
SSOP-28
描述:
TEXAS INSTRUMENTS PCM2906CDB 音频编解码器, USB接口, 立体声, 2, 2, -25 °C, 85 °C, 48 kSPS
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页面导航:
引脚图在P6Hot
原理图在P7P8
封装尺寸在P26P27P28
型号编码规则在P2
标记信息在P2
封装信息在P2P26P27P28
技术参数、封装参数在P2
应用领域在P1P25P30
电气规格在P3P4P5
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PCM2906CDB数据手册
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若手册格式错乱，请下载阅览PDF原文件
PCM2906C
www.ti.com
SBFS037 –NOVEMBER 2011
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= +25°C, V
BUS
, = 5 V, f
S
= 44.1 kHz, f
IN
= 1 kHz, and 16-bit data (unless otherwise noted).
PCM2906C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DAC CHARACTERISTICS
Resolution 8, 16 Bits
Audio data channel 1, 2 Channel
DAC Clock Frequency
f
s
Sampling frequency 32, 44.1, 48 kHz
DAC DC Accuracy
Gain mismatch,
±1 ±5 % of FSR
channel-to-channel
Gain error ±2 ±10 % of FSR
Bipolar zero error ±2 % of FSR
DAC Dynamic Performance
(11)
V
OUT
= 0 dB 0.005 0.016 %
Total harmonic distortion
THD+N
plus noise
V
OUT
= –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
V
O
Output voltage 0.6 V
CCCI
V
PP
Center voltage 0.5 V
CCCI
V
Load impedance AC coupling 10 kΩ
–3 dB 250 kHz
LPF frequency response
f = 20 kHz –0.03 dB
DAC Digital Filter Performance
Passband 0.445 f
s
Hz
Stop band 0.555 f
s
Hz
Passband ripple ±0.1 dB
Stop-band attenuation –43 dB
t
d
Delay time 14.3 f
s
s
POWER-SUPPLY REQUIREMENTS
V
BUS
Voltage range 4.35 5 5.25 VDC
ADC, DAC operation 56 67 mA
Supply current
Suspend mode
(12)
250 μA
ADC, DAC operation 280 352 mW
P
D
Power dissipation
Suspend mode
(12)
1.25 mW
Internal power-supply
3.1 3.3 3.5 VDC
voltage
(13)
TEMPERATURE RANGE
Operating temperature range –25 +85 °C
(11) f
OUT
= 1 kHz, using the System Two audio measurement system by Audio Precision in RMS mode with 20-kHz LPF, 400-Hz HPF.
(12) In USB suspend state.
(13) Pins 10, 17, 19, 23, 27: V
CCCI
, V
CCP1I
, V
CCP2I
, V
CCXI
, V
DDI
.
Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 5
Product Folder Link(s): PCM2906C
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