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參數(shù)資料
| 型號： | ADC12138CIWM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 1.2UF/100VDC METAL POLY CAP |
| 中文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO28 |
| 封裝： | SSOP-28 |
| 文件頁數(shù)： | 1/41頁 |
| 文件大小： | 1085K |
| 代理商： | ADC12138CIWM |
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ADC12130/ADC12132/ADC12138
Self-Calibrating 12-Bit Plus Sign Serial I/O A/D
Converters with MUX and Sample/Hold
General Description
The ADC12130, ADC12132 and ADC12138 are 12-bit plus
sign successive approximation A/D converters with serial I/O
and configurable input multiplexer. The ADC12132 and
ADC12138 have a 2 and an 8 channel multiplexer, respec-
tively. The differential multiplexer outputs and A/D inputs are
available on the MUXOUT1, MUXOUT2, A/DIN1 and A/DIN2
pins. The ADC12130 has a two channel multiplexer with the
multiplexer outputs and A/D inputs internally connected. The
ADC12130 family is tested with a 5 MHz clock. On request,
these A/Ds go through a self calibration process that adjusts
linearity, zero and full-scale errors to typically less than
±
1
LSB each.
The analog inputs can be configured to operate in various
combinations
of
single-ended,
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.
differential,
or
Features
n
Serial I/O (MICROWIRE, SPI and QSPI Compatible)
n
2 or 8 channel differential or single-ended multiplexer
n
Analog input sample/hold function
n
Power down mode
n
Programmable acquisition time
n
Variable digital output word length and format
n
No zero or full scale adjustment required
n
0V to 5V analog input range with single 5V power
supply
Key Specifications
n
Resolution:
n
12-bit plus sign conversion time:
n
12-bit plus sign throughput time:
n
Integral linearity error:
n
Single supply:
n
Power consumption
— 3.3V
— 3.3V power down
— 5V
— 5V power down
12-bit plus sign
8.8 μs (max)
14 μs (max)
±
2 LSB (max)
3.3V or 5V
±
10%
15 mW (max)
40 μW (typ)
33 mW (max)
100 μW (typ)
Applications
n
Pen-based computers
n
Digitizers
n
Global positioning systems
ADC12138 Simplified Block Diagram
TRI-STATE
is a registered trademark of National Semiconductor Corporation.
COPS
microcontrollers, HPC
and MICROWIRE
are trademarks of National Semiconductor Corporation.
DS012079-1
March 2000
A
M
2000 National Semiconductor Corporation
DS012079
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADC12138CIWM/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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADC12138CIWMX | 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 |
| ADC12138CIWMX/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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADC1213D | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual 12-bit ADC; 65 Msps, 80 Msps, 105 Msps or 125 Msps serial JESD204A interface |
| ADC1213D_11 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual 12-bit ADC; 65 Msps, 80 Msps, 105 Msps or 125 Msps; serial JESD204A interface |
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