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參數(shù)資料
| 型號(hào)： | ADC10462 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 10-Bit 600 ns A/D Converter with Input Multiplexer and Sample/Hold(10位 600 ns帶輸入多路器和采樣/保持功能的A/D轉(zhuǎn)換器) |
| 中文描述： | 10位600納秒的A / D輸入多路復(fù)用器和轉(zhuǎn)換器采樣/保持（10位600納秒帶輸入多路器和采樣/保持功能的的A / D轉(zhuǎn)換器） |
| 文件頁數(shù)： | 9/15頁 |
| 文件大?。?/td> | 329K |
| 代理商： | ADC10462 |
Timing Diagrams
(Continued)
Simplified Block Diagram
Functional Description
The ADC10461, ADC10462 and ADC10464 digitize an ana-
log input signal to 10 bits accuracy by performing two
lower-resolution “flash” conversions. The first flash conver-
sion provides the six most significant bits (MSBs) of data,
and the second flash conversion provides the four least
significant bits LSBs).
Figure 3 is a simplified block diagram of the converter. Near
the center of the diagram is a string of resistors. At the
bottom of the string of resistors are 16 resistors, each of
which has a value 1/1024 the resistance of the whole resistor
string. These lower 16 resistors (the
LSB Ladder
) therefore
have a voltage drop of 16/1024, or 1/64 of the total reference
voltage (V
V
) across them. The remainder of the
resistor string is made up of eight groups of eight resistors
connected in series. These comprise the
MSB Ladder
.
Each section of the MSB Ladder has
1
8
of the total reference
voltage across it, and each of the LSB resistors has 1/64 of
DS011108-8
FIGURE 2. Mode 2 (RD Mode). The conversion time (t
CRD
) includes the
sampling time and is determined by the internal timer.
DS011108-9
*ADC10461 Only
*
*
ADC10462 and ADC10464 Only
*
**
ADC10464 Only
A
www.national.com
9
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADC10462CIJ | 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 |
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| ADC10462CIWM NOPB | 制造商:Texas Instruments 功能描述:ADC Single 800ksps 10-bit Parallel 24-Pin SOIC W |
| ADC10462CIWMX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:10-Bit 600 ns A/D Converter with Input Multiplexer and Sample/Hold |
| ADC10462CIWMX/NOPB | 制造商:Texas Instruments 功能描述:ADC Single 800ksps 10-bit Parallel 24-Pin SOIC W T/R |
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