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參數(shù)資料
| 型號(hào)： | LM4031AI |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 串行ADC |
| 英文描述： | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
| 中文描述： | 自校準(zhǔn)12位帶符號(hào)串行I /辦公自動(dòng)化/ D轉(zhuǎn)換器MUX和采樣/保持 |
| 文件頁數(shù)： | 1/41頁 |
| 文件大小： | 1152K |
| 代理商： | LM4031AI |
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ADC12H030/ADC12H032/ADC12H034/ADC12H038,
ADC12030/ADC12032/ADC12034/ADC12038
Self-Calibrating 12-Bit Plus Sign Serial I/O A/D
Converters with MUX and Sample/Hold
General Description
The ADC12030, and ADC12H030 families are 12-bit plus
sign successive approximation A/D converters with serial I/O
and
configurable
input
multiplexers.
The
ADC12032/
ADC12H032,
ADC12034/ADC12H034
and
ADC12038/
ADC12H038 have 2, 4 and 8 channel multiplexers, respec-
tively. The differential multiplexer outputs and A/D inputs are
available on the MUXOUT1, MUXOUT2, A/DIN1 and A/DIN2
pins. The ADC12030/ADC12H030 has a two channel multi-
plexer with the multiplexer outputs and A/D inputs internally
connected. The ADC12030 family is tested with a 5 MHz
clock, while the ADC12H030 family is tested with an 8 MHz
clock. On request, these A/Ds go through a self calibration
process that adjusts linearity, zero and full-scale errors to
less than
±
1 LSB each.
The analog inputs can be configured to operate in various
combinations
of
single-ended,
differential,
pseudo-differential modes. A fully differential unipolar analog
input range (0V to +5V) can be accommodated with a single
+5V supply. In the differential modes, valid outputs are ob-
tained even when the negative inputs are greater than the
positive because of the 12-bit plus sign output data format.
The serial I/O is configured to comply with the NSC MI-
CROWIRE. For voltage references see the LM4040 or
LM4041.
or
Applications
n
Medical instruments
n
Process control systems
n
Test equipment
Features
n
Serial I/O (MICROWIRE Compatible)
n
2, 4, or 8 channel differential or single-ended multiplexer
n
Analog input sample/hold function
n
Power down mode
n
Variable resolution and conversion rate
n
Programmable acquisition time
n
Variable digital output word length and format
n
No zero or full scale adjustment required
n
Fully tested and guaranteed with a 4.096V reference
n
0V to 5V analog input range with single 5V power
supply
n
No Missing Codes over temperature
Key Specifications
j
Resolution
j
12-bit plus sign conversion time
– ADC12H30 family
– ADC12030 family
j
12-bit plus sign throughput time
– ADC12H30 family
– ADC12030 family
j
Integral linearity error
j
single supply
j
Power consumption
– Power down
12-bit plus sign
5.5 μs (max)
8.8 μs (max)
8.6 μs (max)
14 μs (max)
±
1 LSB (max)
5V
±
10%
33 mW (max)
100 μW (typ)
June 2002
A
S
2002 National Semiconductor Corporation
DS011354
www.national.com
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| LM4050AI-4.1 | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
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| LM4121AI-4.1 | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
| LM432 | Dual Op Amp with On-Chip Fixed 2.5V Reference |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4040 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE |
| LM4040/1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Precision Micropower Shunt Voltage Reference |
| LM4040_05 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Precision Micropower Shunt Voltage Reference |
| LM4040_07 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE |
| LM4040_08 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:Precision micropower shunt voltage references |
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