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参数资料
| 型号： | 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的采样，6通道，加强多层次，Δ-Σ数字到模拟转换器 |
| 文件页数： | 4/27页 |
| 文件大小： | 385K |
| 代理商： | PCM1606E |
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PCM1606
SLES014B – OCTOBER 2001 – REVISED AUGUST 2002
12
www.ti.com
functional description (continued)
de-emphasis control
The de-emphasis control can be selected by DEMP1 (pin 17) and DEMP0 (pin 16). See Table 5.
Table 5. De-Emphasis Control
DEMT1 (pin 17)
DEMT0 (pin 16)
AUDIO INTERFACE
LOW
OFF
LOW
HIGH
48 kHz
HIGH
LOW
44.1 kHz
HIGH
32 kHz
analog outputs
The PCM1606 includes six independent output channels, VOUT1 through VOUT6. These are unbalanced
outputs, each capable of driving 3.1 Vp-p typical into a 5-k
ac load with VCC = 5 V. The internal output amplifiers
for VOUT1 through VOUT6 are dc-biased to the common-mode (or bipolar zero) voltage, equal to VCC/2.
The output amplifiers include an RC continuous-time filter, which helps to reduce the out-of-band noise energy
present at the DAC outputs due to the noise shaping characteristics of the PCM1606’s delta-sigma D/A
converters. The frequency response of this filter is shown in Figure 7. By itself, this filter is not enough to
attenuate the out-of-band noise to an acceptable level for most applications. An external low-pass filter is
required to provide sufficient out-of-band noise rejection. Further discussion of DAC post-filter circuits is
provided in the Application Information section of this data sheet.
f – Frequency – Hz
–100
–80
–60
–40
–20
0
20
Level
–
dB
LEVEL
vs
FREQUENCY
110
100
1k
10k
100k
1M
10M
Figure 7. Output Filter Frequency Response
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| PCM1606E/2K | 功能描述:音频数/模转换器 IC 24Bit/192kHz Smplg 6Ch Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 转换器数量: 分辨率:16 bit 接口类型:I2S, UBS 转换速率: 信噪比:98 dB 工作电源电压:5 V DAC 输出端数量:2 工作温度范围:- 25 C to + 85 C 电源电流:23 mA 安装风格:SMD/SMT 封装 / 箱体:TQFP-32 封装:Reel |
| PCM1606E/2KG4 | 功能描述:音频数/模转换器 IC 24Bit/192kHz Smplg 6Ch Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 转换器数量: 分辨率:16 bit 接口类型:I2S, UBS 转换速率: 信噪比:98 dB 工作电源电压:5 V DAC 输出端数量:2 工作温度范围:- 25 C to + 85 C 电源电流:23 mA 安装风格:SMD/SMT 封装 / 箱体:TQFP-32 封装: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:音频数/模转换器 IC 24Bit/192kHz Smplg 6Ch Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 转换器数量: 分辨率:16 bit 接口类型:I2S, UBS 转换速率: 信噪比:98 dB 工作电源电压:5 V DAC 输出端数量:2 工作温度范围:- 25 C to + 85 C 电源电流:23 mA 安装风格:SMD/SMT 封装 / 箱体:TQFP-32 封装:Reel |
| PCM1606IDBRMO | 制造商:Texas Instruments 功能描述: |
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