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參數(shù)資料
| 型號(hào)： | PCM1719E |
| 英文描述： | Stereo Audio DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 立體聲音頻數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 15/15頁 |
| 文件大?。?/td> | 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCM1719E/2K | 功能描述:數(shù)模轉(zhuǎn)換器- DAC SoundPlus(TM) Stereo Audio DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| PCM1719E/2KG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC SoundPlus(TM) Stereo Audio DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| PCM1719EG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC SoundPlus(TM) Stereo Audio 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-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(chǎn)品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長(zhǎng)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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