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參數(shù)資料
| 型號： | ADC12281CIVT |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 12-Bit, 20 MSPS Single-Ended Input, Pipelined A/D Converter |
| 中文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP32 |
| 封裝： | TQFP-32 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 368K |
| 代理商： | ADC12281CIVT |
ADC12281
12-Bit, 20 MSPS Single-Ended Input, Pipelined A/D
Converter
General Description
The ADC12281 is a monolithic CMOS analog-to-digital con-
verter capable of converting analog input signals into 12-bit
digital words at 20 megasamples per second (MSPS). It
utilizes a pipeline architecture to minimize die size and
power dissipation. Self-calibration and error correction main-
tain accuracy and performance over temperature.
The ADC12281 operates on a 5V power supply and can
digitize single-ended analog input signals in the range of 0V
to 2V. A single convert clock controls the conversion opera-
tion and all digital I/O is TTL compatible.
The ADC12881 is designed to minimize external compo-
nents necessary for the analog input interface. An internal
sample-and-hold circuit samples the single-ended analog
input and an internal amplifier buffers the reference voltage
input.
The Power Down feature reduces power consumption to
20 mW, typical.
The ADC12281 is available in the 32-lead TQFP package
and is designed to operate over the industrial temperature
range of 40C to +85C.
Features
n
Single 5V power supply
n
Single-ended analog input
n
Internal sample-and-hold
n
Internal reference buffer amplifier
n
Low offset and gain errors
Key Specifications
n
Resolution
n
Conversion rate
n
DNL
n
SNR
n
ENOB
n
Analog input range
n
Supply voltage
n
Power consumption, 20 MHz
12 bits
up to 20 MSPS
0.35 LSB (typ)
65.5 dB (typ)
10.5 bits (typ)
2 V
PP
(min)
+5V
±
5%
443 mW (typ)
Applications
n
Digital signal processing front end
n
Digital television
n
Radar
n
High speed data links
n
Waveform digitizers
n
Quadrature demodulation
Connection Diagram
10102701
32-Lead TQFP Package
Order Number ADC12281CIVT
See NS Package Number VBE32A
TRISTATE&
is a registered trademark of National Semiconductor Corporation.
November 2002
A
2002 National Semiconductor Corporation
DS101027
www.national.com
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| ADC12281 | 12-Bit, 20 MSPS Single-Ended Input, Pipelined A/D Converter(12位20 MSPS單端輸入管線式A/D轉(zhuǎn)換器) |
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| ADC122S021CIMMX | 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 |
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