Part Number: AFE4420 Hello,
We are developing a model by connecting the AFE 4420 HRM sensor .
I would like to ask if there is an AFE 4420 kernel device driver provided by TI .
The AFE 4420 sensor is directly connected to the AP by I 2 C without…
Part Number: AFE4420 Hi
We are using AFE4420 in an innovation project where we so far has used a red laserdiode with good results. Now we are looking to use also a blue laserdiode but the problem is that Vf for the blue laserdiode is 5-6 volt. Would…
Part Number: AFE4420 Hi,
in my hardware, the PD's Anode connect to INP1 of AFE4420, and Cathode connect to INM1, according to the description in AFE4420 datasheet, the ADC value shoud be negative：
"If connecting the positive input pin to the PD anode…
Part Number: AFE4420 Hi,
I'm now debugging AFE4420, I got some demo code, but from the demo code, I find the value write to the 4420 register is send by PC tools,
could you please give some register configration table, such as configration for sample…
Part Number: AFE4420 Hi,
We have afe4420 chip, we have to drive high currents > 200mA what is the configuration to use
If AFE4420 does not support >200mA,
1. can we have external circuit along with AFE to drive it
2. OR any other suggestion that…
Part Number: AFE4420 We are using afe4420 chip in our system.
Connection - photodiode cathode is
connected to the positive of TIA and anode to negative of TIA. With this we expect ADC to always swing in positive direction as per the datasheet
…
Hello Seongyong,
We would like to take this discussion offline since the device AFE4420 is under NDA.
Can you send your questions to biosensing_afe-support@list.ti.com along with a reference to this E2E post?
Part Number: AFE4420 Hi, there
We configured AFE4420 to have 6 phases. An interrupt is generated every 1/120 second to output the data. Each phase is 355us in length and consists of turning on LED, ADC sampling and conversion, etc.
The detailed AFE4420…
Part Number: AFE4420 Other Parts Discussed in Thread: AFE4460 I am attempting to get the dynamic range extension feature of the AFE4460 working, but I am observing a DC offset drift that I did not expect. Please let me know if this is expected or if I…
