參數(shù)資料
型號(hào)： ADC0802LCN
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： ADC
英文描述： 8-Bit uP Compatible A/D Converters
中文描述： 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDIP20
封裝： PLASTIC, DIP-20
文件頁(yè)數(shù)： 34/41頁(yè)
文件大?。?/td> 1118K
代理商： ADC0802LCN
Functional Description
(Continued)
any output of Port B will source current into node V
thus
raising the voltage at V
and making the output differential
more negative. Conversely, a logic “0” (0V) will pull current
out of node V
and decrease the voltage, causing the differ-
ential output to become more positive. For the resistor val-
ues shown, V
can move
±
12 mV with a resolution of 50 μV,
which will null the offset error term to
1
4
LSB of full-scale for
theADC0801. It is important that the voltage levels that drive
the auto-zero resistors be constant. Also, for symmetry, a
logic swing of 0V to 5V is convenient. To achieve this, a
CMOS buffer is used for the logic output signals of Port B
and this CMOS package is powered with a stable 5V source.
Buffer amplifier A1 is necessary so that it can source or sink
the D/A output current.
DS005671-91
Note 26:
R2 = 49.5 R1
Note 27:
Switches are LMC13334 CMOS analog switches.
Note 28:
The 9 resistors used in the auto-zero section can be
±
5% tolerance.
FIGURE 18. Gain of 100 Differential Transducer Preamp
A
www.national.com
34
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADC0802LCN/A+ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 8-Bit
ADC0802LCN/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADC0802LCN-P 功能描述:IC ADC 8BIT MPU COMPAT 20-DIP 制造商:texas instruments 系列:- 零件狀態(tài):最後搶購(gòu) 位數(shù):8 采樣率（每秒）:10k 輸入數(shù):1 輸入類型:差分 數(shù)據(jù)接口:并聯(lián) 配置:ADC 無(wú)線電 - S/H:ADC:- A/D 轉(zhuǎn)換器數(shù):1 架構(gòu):SAR 參考類型:外部，電源 電壓 - 電源，模擬:4.5 V ~ 6.3 V 電壓 - 電源，數(shù)字:4.5 V ~ 6.3 V 特性:- 工作溫度:- 基本零件編號(hào):ADC0802 標(biāo)準(zhǔn)包裝:18
ADC0802LCV 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 8-Bit
ADC0802LCWM 制造商:Texas Instruments 功能描述:
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