參數(shù)資料
型號(hào)： DAC8531EVM
廠商： Texas Instruments
文件頁(yè)數(shù)： 3/27頁(yè)
文件大小： 0K
描述： EVAL MOD FOR DAC8531
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準(zhǔn)包裝： 1
DAC 的數(shù)量： 1
位數(shù)： 16
數(shù)據(jù)接口： SPI?、QSPI?、MICROWIRE? 和 DSP
設(shè)置時(shí)間： 8µs
DAC 型： 電壓
工作溫度： -40°C ~ 105°C
已供物品： 板
已用 IC / 零件： DAC8531
產(chǎn)品目錄頁(yè)面： 900 (CN2011-ZH PDF)
相關(guān)產(chǎn)品： DAC8531E/250DKR-ND - IC D/A CONV LP 16-BIT 8-MSOP
DAC8531IDRBTG4-ND - IC D/A CONV LP 16-BIT 8-SON
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DAC8531IDRBR-ND - IC D/A CONV LP 16-BIT 8-SON
DAC8531E/2K5G4-ND - IC D/A CONV LP 16-BIT 8-MSOP
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更多...
其它名稱(chēng)： 296-13548
DAC8531
11
SBAS192B
www.ti.com
THEORY OF OPERATION
DAC SECTION
The architecture consists of a string DAC followed by an
output buffer amplifier. Figure 1 shows a block diagram of the
DAC architecture.
CODE CHANGE GLITCH
Time (2
s/div)
V
OUT
(20mV/div)
Glitch Waveform (20mV/div)
TYPICAL CHARACTERISTICS: VDD = 2.7V (Cont.)
At TA = +25°C, VDD = 2.7V, unless otherwise noted.
RESISTOR STRING
Figure 2 shows the resistor string section. It is simply a string
of resistors, each of value R. The code loaded into the DAC
register determines at which node on the string the voltage
is tapped off to be fed into the output amplifier by closing one
of the switches connecting the string to the amplifier. It is
ensured monotonic because it is a string of resistors.
FIGURE 1. DAC8531 Architecture.
The input coding to the DAC8531 is straight binary, so the
ideal output voltage is given by:
VV
D
OUT
REF
=
65536
where D = decimal equivalent of the binary code that is
loaded to the DAC register; it can range from 0 to 65535.
FIGURE 2. Resistor String.
DAC Register
REF (+)
Resistor String
REF(–)
Output
Amplifier
GND
V
DD
V
OUT
V
FB
To Output
Amplifier
R
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DAC8531IDRB 制造商:Texas Instruments 功能描述:
DAC8531IDRBR 功能描述:數(shù)模轉(zhuǎn)換器- DAC Lo-Pwr R-to-R Out 16-Bit Serial Input 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(lèi)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
DAC8531IDRBRG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC Lo-Pwr R-to-R Out 16-Bit Serial Input 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(lèi)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
DAC8531IDRBT 功能描述:數(shù)模轉(zhuǎn)換器- DAC Lo-Pwr R-to-R Out 16-Bit Serial Input 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(lèi)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
DAC8531IDRBTG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC Lo-Pwr R-to-R Out 16-Bit Serial Input 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(lèi)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
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