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參數(shù)資料
| 型號： | DAC8551IDRBT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-BIT, ULTRA-LOW GLITCH, VOLTAGE OUTPUT DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 16位，超低毛刺電壓輸出數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 18/22頁 |
| 文件大小： | 1740K |
| 代理商： | DAC8551IDRBT |
www.ti.com
DAC8551
V
REF
V
OUT
V
FB
R
1
10k
R
2
10k
V
REF
10
μ
F
0.1
μ
F
–5V
5V
+5V
OPA703
Three-Wire
Serial Interface
DAC8551
SLAS429A–APRIL 2005–REVISED JULY 2005
microcontrollers, microprocessors, and digital signal
processors. The more digital logic present in the
design and the higher the switching speed, the more
difficult it is to keep digital noise from appearing at
the output.
The power applied to V
DD
should be well regulated
and low noise. Switching power supplies and DC/DC
converters 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 connections and
analog output.
Due to the single ground pin of the DAC8551, all
return currents, including digital and analog return
currents for the DAC, must flow through a single
point. Ideally, GND would be connected directly to an
analog ground plane. This plane would be separate
from
the
ground
connection
components
until
they
power-entry point of the system.
As with the GND connection, V
DD
should be connec-
ted to a 5-V power-supply plane or trace that is
separate from the connection for digital logic until
they are connected at the power-entry point. In
addition, a 1-μF to 10-μF capacitor and 0.1-μF
bypass capacitor are strongly recommended. In some
situations, additional bypassing may be required,
such as a 100-μF electrolytic capacitor or even a
Pi
filter made up of inductors and capacitors – all
designed to essentially low-pass filter the 5-V supply,
removing the high-frequency noise.
for
the
digital
at
were
connected
the
Figure 56. Bipolar Output Range
18
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC8552 | 制造商:BB 制造商全稱:BB 功能描述:16-BIT, DUAL CHANNEL, ULTRA-LOW GLITCH VOLTAGE OUTPUT DIGITAL-TO-ANALOG CONVERTER |
| DAC8552EVM | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 DAC CONVERTER RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| DAC8552IDGKR | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Dual Channell 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 |
| DAC8552IDGKRG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Dual Channell 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 |
| DAC8552IDGKT | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit Dual Channell 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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