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參數(shù)資料
| 型號(hào)： | LM4050AI-4.1 |
| 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(yè)數(shù)： | 3/41頁(yè) |
| 文件大?。?/td> | 1152K |
| 代理商： | LM4050AI-4.1 |
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Connection Diagrams
(Continued)
24-Pin Wide Body
SO, SSOP-EIAJ Packages
28-Pin Wide Body
SO Packages
01135408
Top View
01135409
Top View
Ordering Information
Industrial Temperature Range
40C
≤
T
A
≤
+85C
ADC12H030CIWM, ADC12030CIWM
ADC12H032CIWM, ADC12032CIWM
ADC12H034CIN, ADC12034CIN
ADC12H034CIWM, ADC12034CIWM
ADC12H034CIMSA
ADC12H038CIWM, ADC12038CIWM
Package
M16B
M20B
N24C
M24B
MSA24
M28B
Pin Descriptions
CCLK
The clock applied to this input controls the
sucessive approximation conversion time in-
terval and the acquisition time. The rise and
fall times of the clock edges should not ex-
ceed 1 μs.
This is the serial data clock input. The clock
applied to this input controls the rate at
which the serial data exchange occurs. The
rising edge loads the information on the DI
pin into the multiplexer address and mode
select shift register. This address controls
which channel of the analog input multi-
plexer (MUX) is selected and the mode of
operation for the A/D. With CS low the falling
edge of SCLK shifts the data resulting from
the previous ADC conversion out on DO,
with the exception of the first bit of data.
When CS is low continously, the first bit of
the data is clocked out on the rising edge of
EOC (end of conversion). When CS is
toggled the falling edge of CS always clocks
out the first bit of data. CS should be brought
low when SCLK is low. The rise and fall
times of the clock edges should not exceed
SCLK
1 μs.
This is the serial data input pin. The data
applied to this pin is shifted by the rising
edge of SCLK into the multiplexer address
and mode select register.
Table 2
through
Table 5
show the assignment of the multi-
plexer address and the mode select data.
The data output pin. This pin is an active
push/pull output when CS is low. When CS
is high, this output is TRI-STATE. The A/D
conversion result (D0–D12) and converter
status data are clocked out by the falling
edge of SCLK on this pin. The word length
and format of this result can vary (see
Table
1
). The word length and format are con-
trolled by the data shifted into the multiplexer
address and mode select register (see
Table
5
).
This pin is an active push/pull output and
indicates the status of the ADC12030/2/4/8.
When low, it signals that the A/D is busy with
a conversion, auto-calibration, auto-zero or
power down cycle. The rising edge of EOC
signals the end of one of these cycles.
This is the chip select pin. When a logic low
DI
DO
EOC
CS
A
www.national.com
3
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| LM4120AI-4.1 | Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold |
| 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 |
| LM432MA | Dual Op Amp with On-Chip Fixed 2.5V Reference |
| LM432MAX | Dual Op Amp with On-Chip Fixed 2.5V Reference |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4050AIM3-10 | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| LM4050AIM3-10/NOPB | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| LM4050AIM3-10/NOPB | 制造商:Texas Instruments 功能描述:, Voltage Reference Type:Shunt, Referenc |
| LM4050AIM3-2.0/NOPB | 功能描述:IC VREF SHUNT PREC 2.048V SOT23 RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 基準(zhǔn)類型:旁路，精度 輸出電壓:5V 容差:±0.5% 溫度系數(shù):100ppm/°C 輸入電壓:- 通道數(shù):1 電流 - 陰極:80µA 電流 - 靜態(tài):- 電流 - 輸出:15mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:TO-236-3，SC-59，SOT-23-3 供應(yīng)商設(shè)備封裝:SOT-23-3 包裝:帶卷 (TR) 其它名稱:LM4040CIM3-5.0MLTRLM4040CIM3-5.0MLTR-ND |
| LM4050AIM3-2.1 | 制造商:Maxim Integrated Products 功能描述:50PPM/+C PRECISION MICROPOWER SHUNT - Rail/Tube |
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