ADN8834, Amplifers
Hallo, are the two chopper stabilized amplifers inside the ADN8834 on while the chip is in standby. I plan implementing a digital control loop arournd the AD8834. It want to use one of the amplifiers...
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ADN8831 - Switching Noise
Hello, I'm having trouble with switching noise from the ADN8831 appearing on the OUT1 pin (Temperature monitor pin) as can be seen in the waveform screenshot. The noise seen is almost 600mV in...
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Controlling digital potentiometer (AD5142) by Arduino UNO
Hi, I am trying to control digital potentiometer (AD5142) by Arduino UNO.Here is the pin configuration of AD5142.I connect SCLK pin to 13 pin of Arduino (serial clock pin), SDI pin to 11 pin of Arduino...
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ADN8834 OUT2 oscillation at cooling mode only
Hello Our customer will use ADN8834 and evaluating ADN8834CB-EVALZ.At initial setting with his laser module including TEC and thermistor, OUT2 is oscillated.So he aligned the C and R around OUT2.As...
View ArticleControlling AD5204 or AD5206 digital Pot with Python or Java SPI
Hello; I am at my wit's end. I am trying to create a generic Python s/w application for the Raspberry Pi (via SPI) that will control the AD5204 or AD5206digital Pot. I have been successful using the...
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AD5142A as T-attenuator or voltage divider
Hello, I just designed a moduled AGC-circuit. Amongst other things there is a fixed gain module and an adjustable attenuation moduel (AD5142A). I got problems with the attenaution module. It's just a...
View ArticleADN8834 evaluation board supply current
Hello Our customer will evaluate ADN8834CB-EVALZ.He set the resistor value for setting of maximum TEC current 700mA ,but the measurement result is not expected measurement reuslt.We concern if we use...
View ArticleHow to connect a laser with common PD-anode and LD-cathode to ADN2847?
Hi All, I'd like to know a following point about ADN2847 application circuit.According to Figure 15 in the datasheet of ADN2847(RevB), a laser with common PD-cathode and LD-anode is used for this...
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ADA4571, min and max pitch between two poles when linear config.
Hi, Regarding to AMR angle sensor ADA4571 when used in linear configuration, I would like to know,a) Minimum and Maximum pitch between a north and south pole which available to be used.b) Accuracy data...
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320*240 resistive touch screen calibration problem
Hi every one.I have 320*240 LCD with resistive touch screen and touch screen controller of AD7843 ( All is together in one LCD from topway: KM2088S). I want to know what is the best way to calibrate...
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