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參數(shù)資料
| 型號： | X96012V14I |
| 廠商： | INTERSIL CORP |
| 元件分類： | 模擬信號調(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)： | 18/27頁 |
| 文件大?。?/td> | 383K |
| 代理商： | X96012V14I |
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18
FN8216.0
March 10, 2005
By examining the block diagram in Figure 8, we see
that the
maximum
current through pin I1 is set by fixing
values for V(VRef) and R1. The output current can
then be varied by changing the data byte at the D/A
converter input.
In general, the magnitude of the current at the D/A
converter output pins (I1, I2) may be calculated by:
Ix = (V(VRef) / (384 Rx)) N
where x = 1,2 and N is the decimal representation of
the input byte to the corresponding D/A converter.
The value for the resistor Rx (x = 1,2) determines the
full scale output
current that the D/A converter may sink
or source. The full scale output current has a maximum
value of ±3.2 mA, which is obtained using a resistance
of 255
for Rx. This resistance may be connected
externally to pin Rx of the X96012, or may be selected
from one of three internal values. Bits I1FSO1 and
I1FSO0 select the full scale output current setting for I1
as described in “I1FSO1 - I1FSO0: Current Generator
1 Full Scale Output Set Bits (Non-volatile)” on
page 13. Bits I2FSO1 and I2FSO0 select the maximum
current setting for I2. When an internal resistor is
selected for R1 or R2, then no resistor should be con-
nected externally at the corresponding pin.
Bits I1DS and I2DS in Control Register 0 select the
direction of the currents through pins I1 and I2 inde-
pendently (See “I1DS: Current Generator 1 Direction
Select Bit (Non-volatile)” on page 11 and “Control and
Status Register Format” on page 12).
D/A Converter Output Current Response
When the D/A converter input data byte changes by
an arbitrary number of bits, the output current changes
from an intial current level (I
x
) to some final level
(I
x
+
I
x
). The transition is monotonic and glitchless.
D/A Converter Control
The data byte inputs of the D/A converters can be con-
trolled in three ways:
– 1) With the A/D converter and through the look-up
tables (default),
– 2) Bypassing the A/D converter and directly access-
ing the look-up tables,
– 3) Bypassing both the A/D converter and look-up tables,
and directly setting the D/A converter input byte.
D1
D0
Select
ADC
AD[7:0]
Status
Register
LUT1 Row
Selection bits
LUT2 Row
Selection bits
Out
D1
D0
Select
Voltage
Reference
Voltage Input
Out
L2DA[5:0]:
Control
Register 2
L1DA[5:0]:
Control
Register 1
L2DAS: bit 6 in
Control register 5
L1DAS: bit 4 in
Control register 5
6
6
Figure 10. Look-Up Table Addressing
8
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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