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參數(shù)資料
| 型號： | ADC10662CIWM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | RES 12-OHM 5% 0.25W 200PPM THK-FILM SMD-1206 TR-7-PA |
| 中文描述： | 2-CH 10-BIT FLASH/SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24 |
| 封裝： | SO-24 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 274K |
| 代理商： | ADC10662CIWM |
Timing Diagrams
Functional Description
The ADC10662 and ADC10664 digitize an analog input sig-
nal to 10 bits accuracy by performing two lower-resolution
“flash” conversions. The first flash conversion 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 bot-
tom 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 volt-
age across it, and each of the LSB resistors has 1/64 of the
total reference voltage across it. Tap points across these re-
sistors can be connected, in groups of sixteen, to the sixteen
comparators at the right of the diagram.
DS011192-7
FIGURE 1. Mode 1. The conversion time (t
CONV
) is set by the internal timer.
DS011192-8
FIGURE 2. Mode 2 (RD Mode). The conversion time (t
) includes the
sampling time and is determined by the internal timer.
www.national.com
8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADC10662CIWM/NOPB | 功能描述:IC ADC 10BIT 360 NS 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:- |
| ADC10662CIWMX | 功能描述:IC ADC 10BIT 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:- |
| ADC10662CIWMX/NOPB | 制造商:Texas Instruments 功能描述:ADC Single Pipelined 1.5Msps 10-bit Parallel 24-Pin SOIC W T/R |
| ADC10662CMJ | 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 |
| ADC10664 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:10-Bit 360 ns A/D Converter with Input Multiplexer and Sample/Hold |
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