The power applied to VDD " />
參數(shù)資料
型號(hào)： DAC8531E/250
廠商： Texas Instruments
文件頁(yè)數(shù)： 7/27頁(yè)
文件大小： 0K
描述： IC D/A CONV LP 16-BIT 8-MSOP
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準(zhǔn)包裝： 1
設(shè)置時(shí)間： 8µs
位數(shù)： 16
數(shù)據(jù)接口： 串行
轉(zhuǎn)換器數(shù)目： 1
電壓電源： 單電源
功率耗散（最大）： 720µW
工作溫度： -40°C ~ 105°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 8-MSOP
包裝： 標(biāo)準(zhǔn)包裝
輸出數(shù)目和類(lèi)型： 1 電壓，單極；1 電壓，雙極
采樣率（每秒）： 93k
產(chǎn)品目錄頁(yè)面： 900 (CN2011-ZH PDF)
配用： 296-13548-ND - EVAL MOD FOR DAC8531
其它名稱(chēng)： DAC8531E/250DKR
DAC8531
15
SBAS192B
www.ti.com
FIGURE 10. Bipolar Operation with the DAC8531.
The power applied to VDD should be well regulated and low
noise. Switching power supplies and DC/DC converters 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.
As with the GND connection, VDD should be connected to a
+5V 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, the 1
F to 10F and 0.1F
bypass capacitors are strongly recommended. In some situ-
ations, additional bypassing may be required, such as a
100
F electrolytic capacitor or even a “Pi” filter made up of
inductors and capacitors—all designed to essentially low-
pass filter the +5V supply, removing the high-frequency
noise.
DAC8531
V
REF
V
OUT
V
FB
R
1
10k
R
2
10k
Three-Wire
Serial
Interface
V
REF
10
F
0.1
F
–5V
±5V
+5V
OPA703
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