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參數(shù)資料
| 型號： | x96012 |
| 英文描述： | Universal Sensor Conditioner with Dual Look Up Table Memory and DACs(帶雙查尋表存儲器和數(shù)模轉(zhuǎn)換器的通用傳感器控制器) |
| 中文描述： | 通用傳感器護發(fā)高達Table內(nèi)存和DAC雙查詢（帶雙查尋表存儲器和數(shù)模轉(zhuǎn)換器的通用傳感器控制器） |
| 文件頁數(shù)： | 15/27頁 |
| 文件大小： | 526K |
| 代理商： | X96012 |
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REV 1.7 6/23/03
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X96012
VOLTAGE REFERENCE
The voltage reference to the A/D and D/A converters
on the X96012, may be driven from the on-chip voltage
reference, or from an external source via the VRef pin.
Bit VRM in Control Register 0 selects between the two
options (See Figure 5).
The default value of VRM is “0”, which selects the inter-
nal reference. When the internal reference is selected,
it’s output voltage is also an output at pin VRef with a
nominal value of 1.21 V. If an external voltage reference
is preferred, the VRM bit of the Control Register 0 must
be set to “1”.
Figure 5. Voltage Reference Structure
A/D CONVERTER
The X96012 contains a general purpose, on-chip, 8-bit
Analog to Digital (A/D) converter whose output is avail-
able at the Status Register as bits AD[7:0]. By default
these output bits are used to select a row in the look-up
tables associated with the X96012’s Current Genera-
tors. When bit ADCfiltOff is “0” (default), bits AD[7:0]
are updated each time the ADC performs four consec-
utive conversions with the same exact result at the 6
MSBs. When bit ADCfiltOff is “1”, these bits are
updated after every ADC conversion.
A block diagram of the A/D converter is shown in Fig-
ure 6. The voltage reference input (see “VOLTAGE
REFERENCE” for details), sets the maximum ampli-
tude of the ramp generator output. The A/D converter
input signal (see “A/D Converter Input Select” below for
details) is compared to the ramp generator output. The
control and encode logic produces a binary encoded
output, with a minimum value of 00h (0
10
), and a full
scale output value of FFh (255
10
).
The A/D converter input voltage range (VIN
ADC
) is
from 0 V to V(VRef).
A/D Converter Input Select
The input signal to the A/D converter on the X96012,
may be the output of the on-chip temperature sensor,
or an external source via the VSense pin. Bit ADCIN in
Control register 0 selects between the two options (See
Figure 7). It’s default value is “0”, which selects the
internal temperature sensor.
If an external source is intended as the input to the A/D
converter, the ADCIN bit of the Control register 0 must
be set to “1”.
VRM: bit 2 in Control register 0.
VRef Pin
On-chip
Voltage
Reference
A/D Converter and
D/A Converters reference
Figure 6. A/D Converter Block Diagram
Ramp
Generator
A/D Converter Input
From VRef
Clock
Control and
Encode Logic
Conversion Reset
A/D Converter
Output
(To LUTs
and Status
Register)
8
Comparator
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X96012_08 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Universal Sensor Conditioner with Dual Look-up Table Memory and DACs |
| X96012V14I | 功能描述:IC CNTRLR UNIV MEM/DAC 14-TSSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 |
| X96012V14IZ | 功能描述:板上安裝溫度傳感器 UNIVERSAL SENSOR CONDITIO W/DL LOOKUP RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| X96012V14IZT1 | 功能描述:板上安裝溫度傳感器 UNIVERSAL SENSOR CONDITIO W/DL LOOKUP RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| X9601XEVAL | 制造商:Intersil Corporation 功能描述:X9601 EVALUATION BOARD - Bulk |
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