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參數(shù)資料
| 型號(hào)： | PCM1606E |
| 英文描述： | 24-BIT, 192-kHz SAMPLING, 6-CHANNEL, ENHANCED MULTILEVEL, DELTA-SIGMA DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 24位192 kHz的采樣，6通道，加強(qiáng)多層次，Δ-Σ數(shù)字到模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 17/27頁 |
| 文件大?。?/td> | 385K |
| 代理商： | PCM1606E |
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PCM1606
SLES014B – OCTOBER 2001 – REVISED AUGUST 2002
24
www.ti.com
APPLICATION INFORMATION
total harmonic distortion + noise (continued)
S/PDIF
Receiver
Evaluation Board
DEM-DAI1606
PCM1606
2nd-Order
Low-Pass
Filter
Notch Filter
Band Limit
Analyzer
and
Display
Digital
Generator
S/PDIF
Output
100% Full-Scale,
24-Bit,
1-kHz Sine Wave
RMS Mode
HPF = 22 Hz
LPF = 22 kHz
Option = 20-kHz Apogee Filter
fc = 1 kHz
f–3 dB = 54 kHz
There is little difference in measured THD+N when using the various settings for these filters..
Required for THD+N test.
Figure 34. Test Setup for THD+N Measurements
dynamic range
Dynamic range is specified as A-weighted, THD+N measured with a –60 dB of full-scale (FS), 1-kHz digital sine
wave stimulus at the input of the D/A converter. This measurement is designed to give a good indicator of how
the DAC performs given a low-level input signal.
The measurement setup for the dynamic range measurement is shown in Figure 35, 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 –60-dB FS input level.
idle channel signal-to-noise ratio
The signal-to-noise ratio (SNR) test provides a measure of the noise floor of the D/A converter. The input to the
D/A is all 0s data. 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 affect the SNR measurement. The dither function of the digital
generator must also be disabled to ensure an all 0s 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 note provided in Figure 35).
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| PCM1606E/2K | 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1606E/2KG4 | 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(fēng)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: |
| PCM1606EG4 | 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1606IDBRMO | 制造商:Texas Instruments 功能描述: |
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