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參數(shù)資料
| 型號： | PCM1728 |
| 英文描述： | 24-Bit, 96kHz Sampling CMOS Delta-Sigma Stereo Audio DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 24位，96kHz采樣的CMOSΔ-Σ立體聲音頻數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 8/11頁 |
| 文件大?。?/td> | 185K |
| 代理商： | PCM1728 |
8
PCM1728
FIGURE 5. Internal Power-On Reset Timing.
FUNCTIONAL DESCRIPTION
PCM1728 has several built-in functions including digital
input data format selection, soft mute, and digital de-empha-
sis. These functions are hardware controlled where static
control signals are used on pin 28 (I
2
S), pin 27 (DM1), pin 26
(DM0), pin 25 (MUTE), pin 24 (IW1), and pin23 (IW0).
DATA FORMAL SELECTION
PCM audio data format can be selected by pin 28 (I
2
S), pin
24 (IW1), and pin 23 (IW0), as shown in Table II.
FIGURE 6. External Forced Reset Timing.
1024 system (= XTI) clocks
Reset
Reset Removal
V
CC
= V
DD
Internal Reset
XTI Clock
1024 system (XTI) clocks
Reset
Reset Removal
XTI Clock
Internal Reset
RST
t
RST(1)
NOTE: (1) t
RST
= 20ns min.
IW1
IW0
I
2
S
AUDIO INTERFACE
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
0
0
0
1
1
1
1
16-Bit Standard, Right-Justified
20-Bit Standard, Right-Justified
24-Bit Standard, Right-Justified
24-Bit Left-Justified, MSB-First
16-Bit I
2
S
24-Bit I
2
S
Reserved
Reserved
TABLE II. Data Format Control.
SOFT MUTE
Soft Mute function can be controlled by MUTE (pin 25).
MUTE (Pin 25)
SOFT MUTE
L
H
Mute ON
Mute OFF (Normal Operation)
TABLE III. Soft Mute Control.
DE-EMPHASIS CONTROL
De-emphasis control can be selected by DM1 (pin 27) and
DM0 (pin 26).
DM1 (Pin 27)
DM0 (Pin 26)
DE-EMPHASIS
L
L
H
H
L
H
L
H
OFF
48kHz
44.1kHz
32kHz
TABLE IV. De-emphasis Control.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCM1728E | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 96kHz Smplg CMOS D-S Stereo 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 |
| PCM1728E/2K | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 96kHz Smplg CMOS D-S Stereo 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 |
| PCM1728E/2KG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 96kHz Smplg CMOS D-S Stereo 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 |
| PCM1728EG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 96kHz Smplg CMOS D-S Stereo 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 |
| PCM-173 | 功能描述:電線鑒定 Pre-Printed WM Card, Vinyl Cloth, .22" W RoHS:否 制造商:TE Connectivity / Q-Cees 產(chǎn)品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長度:1 in |
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