參數(shù)資料
型號: ADC12281
廠商: National Semiconductor Corporation
英文描述: 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)
中文描述: 12位,20 MSPS的單端輸入,流水線A / D轉(zhuǎn)換器(12位20 MSPS的單端輸入管線式的A / D轉(zhuǎn)換器)
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代理商: ADC12281
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 uti-
lizes a pipeline architecture to minimize die size and power
dissipation. Self-calibration and error correction maintain ac-
curacy and performance over temperature.
TheADC12281 operates on a 5V power supply and can digi-
tize single-ended analog input signals in the range of 0V to
2V. A single convert clock controls the conversion operation
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 in-
put and an internal amplifier buffers the reference voltage in-
put.
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
TRI-STATE
is a registered trademark of National Semiconductor Corporation.
DS101027-1
32-Lead TQFP Package
Order Number ADC12281CIVT
See NS Package Number VBE32A
March 2000
A
2000 National Semiconductor Corporation
DS101027
www.national.com
相關(guān)PDF資料
PDF描述
ADC1241BIJ Self-Calibrating 12-Bit Plus Sign mP-Compatible A/D Converter with Sample-and-Hold
ADC1241 Self-Calibrating 12-Bit Plus Sign μP-Compatible A/D Converter with Sample-and-Hold(可自行校對的12位μP兼容帶采樣和保持功能的A/D轉(zhuǎn)換器)
ADC1241CMJ Self-Calibrating 12-Bit Plus Sign mP-Compatible A/D Converter with Sample-and-Hold
ADC1241CIJ Self-Calibrating 12-Bit Plus Sign mP-Compatible A/D Converter with Sample-and-Hold
ADC12441 Dynamically-Tested Self-Calibrating 12-Bit Plus Sign A/D Converter with Sample-and-Hold(可自行校對的12位帶采樣和保持功能的A/D轉(zhuǎn)換器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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