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參數(shù)資料
| 型號： | ADC10464 |
| 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 |
| 文件大小： | 329K |
| 代理商： | ADC10464 |
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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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADC10464CIJ | 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 |
| ADC10464CIWM | 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADC10464CIWM/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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADC10464CIWMX | 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADC10464CIWMX/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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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