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參數(shù)資料
| 型號： | PCM1604Y |
| 英文描述： | 24-Bit, 192kHz Sampling,6-Channel, Enhanced Multi-Level, Delta-Sigma DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 24位192kHz采樣,6 -通道，增強的多級，Δ-Σ數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 31/32頁 |
| 文件大?。?/td> | 263K |
| 代理商： | PCM1604Y |
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PCM1604, PCM1605
FIGURE 22. Test Setup for THD+N Measurements.
S/PDIF
Receiver
Evaluation Board
f
–3dB
= 54kHz
PCM1604
PCM1605
DEM-DAI1604
2nd-Order
Low-Pass
Filter
Notch Filter
Band Limit
HPF = 22Hz
(1)
LPF = 30kHz
(1)
Option = 20kHz Apogee Filter
(2)
f
C
= 1kHz
RMS Mode
100% Full Scale
24-Bit, 1kHz
Sine Wave
S/PDIF
Output
Analyzer
and
Display
Digital
Generator
NOTES: (1) There is little difference
in measured THD+N when using the
various settings for these filters.
(2) Required for THD+N test.
PERFORMANCE MEASUREMENTS
This section provides information on how to measure key
dynamic performance parameters for the PCM1604 and
PCM1605. In all cases, an Audio Precision System Two
Cascade or equivalent audio measurement system is utilized
to perform the testing.
TOTAL HARMONIC DISTORTION + NOISE
Total Harmonic Distortion + Noise (THD+N) is a significant
figure of merit for audio D/A converters, since it takes into
account both harmonic distortion and all noise sources
within a specified measurement bandwidth. The true rms
value of the distortion and noise is referred to as THD+N.
For the PCM1604 and PCM1605 D/A converters, THD+N is
measured with a full scale, 1kHz digital sine wave as the test
stimulus at the input of the DAC. The digital generator is set
to 24-bit audio word length and a sampling frequency of
44.1kHz, or 96kHz. The digital generator output is taken
from the unbalanced S/PDIF connector of the measurement
system. The S/PDIF data is transmitted via coaxial cable to
the digital audio receiver on the DEM-DAI1604 demo board.
The receiver is then configured to output 24-bit data in either
I
2
S or left-justified data format. The DAC audio interface
format is programmed to match the receiver output format.
The analog output is then taken from the DAC post filter and
connected to the analog analyzer input of the measurment
system. The analog input is band limited using filters resi-
dent in the analyzer. The resulting THD+N is measured by
the analyzer and displayed by the measurement system.
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| PCM1604Y/2K | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 24Bit/192kHz Smplg 6Ch Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| PCM1604Y/2KG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 24Bit/192kHz Smplg 6Ch Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| PCM1604YG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24Bit/192kHz Smplg 6Ch Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1605 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SoundPlus(TM) 24-Bit. 192kHz Sampling. 6-Channel. Enhanced Multi-Level. Delta-Sigma D/A Converter |
| PCM1605Y | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 24B 192kHz Sampling 6-Ch Enh Multilevel RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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