參數(shù)資料
型號(hào)： X9530
廠(chǎng)商： Intersil Corporation
英文描述： Temperature Compensated Laser Diode Controller(帶溫度補(bǔ)償?shù)募す舛O管控制器)
中文描述： 溫度補(bǔ)償激光二極管控制器（帶溫度補(bǔ)償?shù)募す舛O管控制器）
文件頁(yè)數(shù)： 9/28頁(yè)
文件大?。?/td> 372K
代理商： X9530
9
FN8211.1
November 11, 2005
Figure 4. A/D Converter Input Select Structure
A/D Converter Range
From Figure 3 we can see that the operating range of
the A/D converter input depends on the voltage
reference. And from Figure 4 we see that the internal
temperature Sensor output also varies with the voltage
reference (VRef).
The table below summarizes the voltage range
restrictions on the VSense and VRef pins in different
configurations :
VSense and VRef ranges
LOOK-UP TABLES
The X9530 memory array contains two 64-byte look-up
tables. One is associated to pin I1’s output current
generator and the other to pin I2’s output current
generator, through their corresponding D/A converters.
The output of each look-up table is the byte contained in
the selected row. By default these bytes are the inputs
to the D/A converters driving pins I1 and I2.
The byte address of the selected row is obtained by
adding the look-up table base address (90h for LUT1,
and D0h for LUT2) and the appropriate row selection
bits. See Figure 6.
By default the look-up table selection bits are the 6-bit
output of the A/D converter. Alternatively, the A/D
converter can be bypassed and the six row selection
bits are the six LSBs of Control Registers 1 and 2, for
the LUT1 and LUT2 respectively. The selection
between these options is illustrated in Figure 7, and
described in “I2DS: Current Generator 2 Direction Select
Bit (Non-volatile)” on page 6, and “Control Register 2”
on page 6.
CURRENT GENERATOR BLOCK
The Current Generator pins I1 and I2 are outputs of
two independent current mode D/A converters.
D/A Converter Operation
The Block Diagram for each of the D/A converters is
shown in Figure 5.
The input byte of the D/A converter selects a voltage
on the non-inverting input of an operational amplifier.
The output of the amplifier drives the gate of a FET,
whose source is connected to ground via resistor R1.
This node is also fed back to the inverting input of the
amplifier. The drain of the FET is connected to the
output current pin (I1) via a “polarity select” circuit
block.
VRef
Internal
Internal
A/D Converter Input
Internal Temp. Sensor
VSense Pin
Ranges
Not Applicable
0
≤
V(VSense)
≤
V(VRef)
0
≤
V(VRef)
≤
1.3 V
0
≤
V(VSense)
≤
V(VRef)
Not a Valid Case
External
VSense Pin
External
All voltages referred to Vss.
Internal Temp. Sensor
VSense
Pin
On-chip
Temperature
Sensor
To A/D
Converter
Input
ADCIN: bit 3 in Control register 0.
VRef
X9530
相關(guān)PDF資料
PDF描述
X95840 Quad Digital Controlled Potentiometers
X95840WV20I-2.7 Quad Digital Controlled Potentiometers
X95840UV20I-2.7 Quad Digital Controlled Potentiometers
X95840WV20IZ-2.7 Quad Digital Controlled Potentiometers
X95840UV20IZ-2.7 Quad Digital Controlled Potentiometers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
X9530_0511 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Temperature Compensated Laser Diode Controller
X9530B15I 制造商:XICOR 制造商全稱(chēng):Xicor Inc. 功能描述:Temperature Compensated Laser Diode Controller
X9530-B15I 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Temperature Compensated Laser Diode Controller
X9530B15I-T1 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Temperature Compensated Laser Diode Controller
X9530B15I-T2 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Temperature Compensated Laser Diode Controller
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠(chǎng)商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*