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參數(shù)資料
| 型號(hào)： | PCM1738E2K |
| 英文描述： | 24-Bit, 192kHz Sampling, Advanced Segment, Audio-Stereo DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 24位192kHz采樣，高級(jí)分段，音頻立體聲數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 18/33頁 |
| 文件大?。?/td> | 2274K |
| 代理商： | PCM1738E2K |
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PCM1738
SBAS174B
18
REGISTER 18
(Cont.)
FMT[2:0]
Audio Interface Data Format
These bits are Read/Write.
Default Value: 000
For external Digital-Filter Interface Mode (DFTH Mode), this register is operated as shown in the External
Digital-Filter Mode section of this data sheet.
The FMT[2:0] bits are used to select the data format for the serial audio interface.
FMT[2:0]
Audio Data Format Selection
000
16-Bit Standard Format, Right-Justified Data (default)
001
20-Bit Standard Format, Right-Justified Data
010
24-Bit Standard Format, Right-Justified Data
011
24-Bit MSB-First, Left-Justified Format Data
100
16-Bit I
2
S Format Data
101
24-Bit I
2
S Format Data
110
Reserved
111
Reserved
DMF[1:0]
Sampling Frequency Selection for the De-Emphasis Function
These bits are Read/Write.
Default Value: 00
DMF[1:0]
00
01
10
11
De-Emphasis Same Rate Selection
Disabled (default)
48kHz
44.0kHz
32kHz
The DMF[1:0] bits are used to select the sampling frequency used for the Digital De-Emphasis function when
it is enabled by setting the DME bit. The De-Emphasis curves are shown in the Typical Performance Curves
section of this data sheet.
For DSD Mode, Analog FIR filter performance may be selected using this register. Filter response plots are
shown in the Typical Performance Curves section of this data sheet. The Register Map is shown in the DSD
Mode section of this data sheet.
DME
Digital De-Emphasis Control
This bit is Read/Write.
Default Value: 0
For DSD mode, DME must be set to 1.
DME = 0
DME = 1
De-Emphasis Disabled (default)
De-Emphasis Enabled
The DME bit is used to enable
or disable the De-Emphasis function for both channels.
MUTE
Soft Mute Control
This bit is Read/Write.
Default Value: 0
MUTE = 0
MUTE = 1
MUTE Disabled (default)
MUTE Enabled
The MUTE bit is used to enable the Soft Mute function for both channels. The mute function is also available
through the MUTE control input (pin 15)
. Soft Mute is performed by using the 256 step attenuator, cycling
one step per time interval to –
(Mute). The time interval is set by the rate select bit (ATS), located in
Register 19.
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| PCM1738E | 24-Bit, 192kHz Sampling, Advanced Segment, Audio-Stereo DIGITAL-TO-ANALOG CONVERTER |
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| PCM1739E | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplg 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 |
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| PCM1739E/2KG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplg 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 |
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