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參數(shù)資料
| 型號(hào)： | X96012V14I |
| 廠商： | INTERSIL CORP |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | Universal Sensor Conditioner with Dual Look Up Table Memory and DACs |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO14 |
| 封裝： | PLASTIC, MO-153AC, TSSOP-14 |
| 文件頁數(shù)： | 15/27頁 |
| 文件大?。?/td> | 383K |
| 代理商： | X96012V14I |
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15
FN8216.0
March 10, 2005
VOLTAGE REFERENCE
The voltage reference to the A/D and D/A converters
on the X96012, may be driven from the on-chip volt-
age 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
internal 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 Con-
trol 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 Gen-
erators. When bit ADCfiltOff is “0” (default), bits
AD[7:0] are updated each time the ADC performs four
consecutive 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
X96012
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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(zhǔn)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(zhǔn)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 |
| X9650M | 制造商:EPCOS 制造商全稱:EPCOS 功能描述:Bandpass Filter |
| X-97-488 | 制造商:Brady Corporation 功能描述:Labels External Width:0.9" 制造商:Brady Corporation 功能描述:LABEL IDENTIFICATION 22.86X22.86 BLK/WHT; Background Color:White; Color:Black on White; External Width:0.9"; For Use With:IDXPERT Hand-Held Labeler; Label Material:Polyester; Label Size:22.86 x 22.86mm; Label Type:Identification ;RoHS Compliant: Yes |
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