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參數(shù)資料
| 型號： | ADC12034CIN |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | RES 536K OHM 1/16W 1% 0402 SMD |
| 中文描述： | 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP24 |
| 封裝： | DIP-24 |
| 文件頁數(shù)： | 32/41頁 |
| 文件大?。?/td> | 1036K |
| 代理商： | ADC12034CIN |
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Application Hints
(Continued)
An alternative method for biasing pseudo-differential opera-
tion is to use the +2.5V from the LM4040 to bias any ampli-
fier circuits driving theADC as shown in Figure 13 The value
of the resistor pull-up biasing the LM4040-2.5 will depend
upon the current required by the op amp biasing circuitry.
In the circuit of Figure 13 some voltage range is lost since
the amplifier will not be able to swing to +5V and GND with
a single +5V supply. Using an adjustable version of the
LM4041 to set the full scale voltage at exactly 2.048V and a
lower grade LM4040D-2.5 to bias up everything to 2.5V as
shown in Figure 14 will allow the use of all the ADC’s digital
output range of 4096 to +4095 while leaving plenty of head
room for the amplifier.
Fully differential operation is shown in Figure 15 One LSB
for this case is equal to (4.1V/4096) = 1 mV.
DS011354-47
FIGURE 12. Pseudo-Differential Biasing with the Signal Source AC Coupled Directly into the ADC
DS011354-48
FIGURE 13. Alternative Pseudo-Differential Biasing
www.national.com
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| ADC12034CIN/NOPB | 功能描述:IC ADC 12BIT SER I/O 24-DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):12 采樣率（每秒）:3M 數(shù)據(jù)接口:- 轉(zhuǎn)換器數(shù)目:- 功率耗散（最大）:- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數(shù)目和類型:- |
| ADC12034CIWM | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
| ADC12034CIWM/NOPB | 功能描述:IC ADC 12BIT SRL I/O MUX 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):12 采樣率（每秒）:3M 數(shù)據(jù)接口:- 轉(zhuǎn)換器數(shù)目:- 功率耗散（最大）:- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數(shù)目和類型:- |
| ADC12034CIWMX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Ended Data Acquisition System |
| ADC12038 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
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