參數(shù)資料
型號： DAC7731
元件分類： 外設(shè)及接口
英文描述： Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????)
中文描述： 單電源RS232C接口線路驅(qū)動器/接收器（單電源RS232C接口線收發(fā)器（2發(fā)2收））
文件頁數(shù)： 16/19頁
文件大?。?/td> 360K
代理商： DAC7731
DAC7731
SBAS249
16
www.ti.com
LAYOUT
A precision analog component requires careful layout, adequate
bypassing, and clean, well-regulated power supplies. The
DAC7731 offers separate digital and analog supplies, as it will
often be used in close proximity with digital logic, microcontrollers,
microprocessors, and digital signal processors. The more digital
logic present in the design and the higher the switching speed,
the more important it will become to separate the analog and
digital ground and supply planes at the device.
Since the DAC7731 has both analog and digital ground pins,
return currents can be better controlled and have less effect
on the DAC output error. Ideally, AGND would be connected
directly to an analog ground plane and DGND to the digital
ground plane. The analog ground plane would be separate
from the ground connection for the digital components until
they were connected at the power-entry point of the system.
The voltages applied to V
CC
and V
SS
should be well regulated
and low noise. Switching power supplies and DC/DC convert-
ers will often have high-frequency glitches or spikes riding on
the output voltage. In addition, digital components can create
similar high-frequency spikes as their internal logic switches
states. This noise can easily couple into the DAC output
voltage through various paths between the power connec-
tions and analog output.
In addition, a 1
μ
F to 10
μ
F bypass capacitor in parallel with a
0.1
μ
F bypass capacitor is strongly recommended for each
supply input. In some situations, additional bypassing may be
required, such as a 100
μ
F electrolytic capacitor or even a "Pi"
filter made up of inductors and capacitors
–
all designed to
essentially low-pass filter the analog supplies, removing any
high frequency noise components.
相關(guān)PDF資料
PDF描述
DAC7731E 16-Bit, Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER
DAC7731E1K 16-Bit, Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER
DAC7731EB 16-Bit, Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER
DAC7731EB1K 16-Bit, Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER
DAC7731EC 16-Bit, Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DAC7731E 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Sng Ch W/Int +10V Ref & Ser I/F 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
DAC7731E/1K 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Sng Ch W/Int +10V Ref & Ser I/F 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
DAC7731E/1KG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Sng Ch W/Int +10V Ref & Ser I/F 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
DAC7731E1K 制造商:BB 制造商全稱:BB 功能描述:16-Bit, Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER
DAC7731EB 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Sng Ch W/Int +10V Ref & Ser I/F 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
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