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參數(shù)資料
| 型號： | PCM1720 |
| 英文描述： | Stereo Audio DIGITAL-TO-ANALOG CONVERTER MPEG2/AC-3 COMPATIBLE |
| 中文描述： | 立體聲音頻數(shù)字模擬轉(zhuǎn)換器MPEG2/AC-3兼容 |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 194K |
| 代理商： | PCM1720 |
PCM1720
10
feature is used to avoid noise which may occur when the
input is DC. When the output is forced to bipolar zero,
there may be an audible click. PCM1720 allows the zero
detect feature to be disabled so the user can implement
external muting circuit.
When IZD is “LOW”, the zero detect circuit is off. Under
this condition, no automatic muting will occur if the input
is continuously zero. When IZD is “HIGH”, the zero detect
feature is enabled. If the input data is continuously zero for
65, 536 cycles of BCKIN, the output will be immediately
forced to a bipolar zero state (V
CC
/2). The zero detection
FIGURE 5. Serial Interface Timing.
B15 B14 B13 B12 B11 B10 B9 B8 B7 B6
B5 B4
B3 B2 B1 B0
ML (pin 4)
MC (pin 5)
MD (pin 6)
FIGURE 6. Program Register Input Timing.
1.4V
1.4V
1.4V
ML
MC
MD
MC Pulse Cycle Time
MC Pulse Width LOW
MC Pulse Width HIGH
MD Set-up Time
MC Hold Time
ML Low Level Time
ML Set-up Time
ML Hold Time
: t
MCY
: t
MCL
: t
MCH
: t
MDS
: t
MDH
: t
MLL
: t
MLS
: t
MLH
: 100ns (min)
: 50ns (min)
: 50ns (min)
: 30ns (min)
: 30ns (min)
: 30ns + 1SYSCLK (min)
: 30ns (min)
: 30ns (min)
t
MCY
t
MDS
t
MDH
t
MCH
t
MCL
t
MLS
t
MLH
t
MLL
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCM1720E | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Ster DAC MPEG2/ AC-3 Compatible 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1720E/2K | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Ster DAC MPEG2/ AC-3 Compatible 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1720E/2KG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Ster DAC MPEG2/ AC-3 Compatible 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1720EG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Ster DAC MPEG2/ AC-3 Compatible 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1721 | 制造商:BB 制造商全稱:BB 功能描述:DIGITAL-TO-ANALOG CONVERTER WITH PROGRAMMABLE PLL |
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