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參數資料
| 型號： | PCM1605Y |
| 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數字模擬轉換器 |
| 文件頁數： | 32/32頁 |
| 文件大?。?/td> | 263K |
| 代理商： | PCM1605Y |
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32
PCM1604, PCM1605
DYNAMIC RANGE
Dynamic range is specified as A-Weighted, THD+N mea-
sured with a –60dBFS, 1kHz digital sine wave stimulus at
the input of the D/A converter. This measurment is designed
to give a good indicator of how the DAC will perform given
a low-level input signal.
The measurement setup for the dynamic range measurement
is shown in Figure 23, and is similar to the THD+N test
setup discussed previously. The differences include the
band limit filter selection, the additional A-Weighting filter,
and the –60dBFS input level.
IDLE CHANNEL SIGNAL-TO-NOISE RATIO
The SNR test provides a measure of the noise floor of the
D/A converter. The input to the D/A is all 0’s data, and the
D/A converter’s Infinite Zero Detect Mute function must
be disabled (default condition at power up for the PCM1604,
PCM1605). This ensures that the delta-sigma modulator
output is connected to the output amplifier circuit so that
idle tones (if present) can be observed and effect the SNR
measurement. The dither function of the digital generator
must also be disabled to ensure an all ‘0’s data stream at the
input of the D/A converter.
The measurement setup for SNR is identical to that used for
dynamic range, with the exception of the input signal level
(see the notes provided in Figure 23).
FIGURE 23. Test Set-Up for Dynamic Range and SNR Meeasurements.
S/PDIF
Receiver
Evaluation Board
PCM1604
(1)
PCM1605
DEM-DAI1604
2nd-Order
Low-Pass
Filter
Notch Filter
Band Limit
HPF = 22Hz
LPF = 22kHz
Option = A-Weighting
(2)
f
C
= 1kHz
f
–3dB
= 54kHz
0% Full Scale,
Dither Off (SNR)
–60dBFS,
1kHz Sine Wave
(Dynamic Range)
S/PDIF
Output
A-Weight
Filter
(1)
RMS Mode
Analyzer
and
Display
Digital
Generator
NOTES: (1) Infinite Zero Detect Mute disabled.
(2) Results without A-Weighting will be
approximately 3dB worse.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PCM1606 | 制造商:BB 制造商全稱:BB 功能描述:24-BIT, 192-kHz SAMPLING, 6-CHANNEL, ENHANCED MULTILEVEL, DELTA-SIGMA DIGITAL-TO-ANALOG CONVERTER |
| PCM1606E | 功能描述:音頻數/模轉換器 IC 24Bit/192kHz Smplg 6Ch Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量: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 |
| PCM1606E/2K | 功能描述:音頻數/模轉換器 IC 24Bit/192kHz Smplg 6Ch Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量: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 |
| PCM1606E/2KG4 | 功能描述:音頻數/模轉換器 IC 24Bit/192kHz Smplg 6Ch Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量: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 |
| PCM1606EG/2K | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
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