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參數資料
| 型號： | PCM1719E |
| 英文描述： | Stereo Audio DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 立體聲音頻數字模擬轉換器 |
| 文件頁數： | 15/15頁 |
| 文件大小： | 218K |
| 代理商： | PCM1719E |
15
PCM1719
illustrates THD+N versus input signal and output load. The
PCM1719 headphone amplifier specification for THD+N is
done with a 64
load at 12.5mA (rms) maximum output
current. Although PCM1719 is capable of driving loads as
low as 15
, the output waveform will be saturated under
such a condition. The recommended application circuit em-
ploys a 32
load with a 32
current limiting resistor.
VOLUME CONTROL
PCM1719 allows the user to attentuate the volume by using
a variable resistor. In the actual application, a 10k
pot is
connected between the line (DAC) outputs and analog ground,
with the center tap of the pot AC-coupled to the headphone
amplifier’s inputs. Refer to Figure 7, the typical connection
diagram, for an illustration of this circuit.
ANALOG MUTE FUNCTION
The headphone amplifier’s output can be muted to –80dB.
When PMUTE is taken “LOW”, the headphone outputs are
muted. For normal operation, PMUTE should be held
“HIGH” or left open.
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PDF描述 |
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| PCM1720 | Stereo Audio DIGITAL-TO-ANALOG CONVERTER MPEG2/AC-3 COMPATIBLE |
| PCM1772 | LOW VOLTAGE AND LOW POWER STEREO AUDIO DIGITAL TO ANALOG CONVERTER WITH LINEOUT AMPIIFIER |
| PCM1772PW | LOW VOLTAGE AND LOW POWER STEREO AUDIO DIGITAL TO ANALOG CONVERTER WITH LINEOUT AMPIIFIER |
| PCM1772PWR | LOW VOLTAGE AND LOW POWER STEREO AUDIO DIGITAL TO ANALOG CONVERTER WITH LINEOUT AMPIIFIER |
| PCM1772RGA | LOW VOLTAGE AND LOW POWER STEREO AUDIO DIGITAL TO ANALOG CONVERTER WITH LINEOUT AMPIIFIER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PCM1719E/2K | 功能描述:數模轉換器- DAC SoundPlus(TM) Stereo Audio DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| PCM1719E/2KG4 | 功能描述:數模轉換器- DAC SoundPlus(TM) Stereo Audio DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| PCM1719EG4 | 功能描述:音頻數/模轉換器 IC SoundPlus(TM) Stereo Audio DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量: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 |
| PCM-172 | 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 產品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長度:1 in |
| PCM1720 | 制造商:BB 制造商全稱:BB 功能描述:Stereo Audio DIGITAL-TO-ANALOG CONVERTER MPEG2/AC-3 COMPATIBLE |
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