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Milad Faizollah
23 days ago
Data converters
Data converters forum
ADS1298: Turing OFF the RLD when measuring the input impedance of the channels using ac sources
Part Number:
ADS1298
Hi, We are using
ADS1298
for EEG monitoring. We are biasing the body using RLD electrode during EEG monitoring. To measure the impedance of each channel we use the ac current source and sink of the channels. For example, if we...
Praveen Aroul
1 month ago
Data converters
Data converters forum
RE: ADS1298: Wilson center terminal (WCT) on daisy chain
Hello, You can use the WCT node to drive very high input impedances (typically greater than 500 MΩ). The typical application would be to connect this WCT signal to the negative inputs of ADS129x for use as a reference signal for the chest leads...
Eddie Koh
2 months ago
Data converters
Data converters forum
ADS1298: Leakage current for AVDD-AVSS = 3V
TI Thinks Resolved
Part Number:
ADS1298
Datasheet Figure 7 provided the leakage current for AVDD-AVSS = 5V. Can you provide a similar graph for AVDD-AVSS = 3V?
Alexander Kirilov
3 months ago
Data converters
Data converters forum
ADS1298: ADS1298 cascade mode
Resolved
Part Number:
ADS1298
HI. I use two
ADS1298
in cascade mode. Can i configure both of them
Axel William Sandjon Nganta
2 months ago
Data converters
Data converters forum
ADS1298: ADS1298 cascaded
Part Number:
ADS1298
Hello i want to write the SPI Interface for two
ADS1298
in cascade Mode configuration. Is there any Advices about what i should think about, or pay attention to ? regarding SCLK, DRDY or Data Synchronisation. Is there any Sequence...
Mark Philip Felipe
2 months ago
Data converters
Data converters forum
ADS1298: Increase Resolution for small value changes
Part Number:
ADS1298
Hi Team, There is an
ADS1298
single-ended to an accelerometer that has a zero value of 1/2 VDD.We want to gain the signal to get more resolution of small accelerometer value changes by simply doubling the gain the signal saturates...
Danilo Austria
3 months ago
Data converters
Data converters forum
ADS1298: Terms of Use
TI Thinks Resolved
Part Number:
ADS1298
Hi Team, A customer will use
ADS1298
together with other non-TI devices like AD5940. He wants to make sure that he doesn't violate any terms of use. Do we have any terms of use for this device? Regards, Danilo
Benjamin Nordman
3 months ago
Data converters
Data converters forum
ADS1298: SPI pin consumption
TI Thinks Resolved
Part Number:
ADS1298
Hello TI Team, I need to communicate with my MCU to up to 8
ADS1298
successively. However, I have a consumption constraint on this function and I need to loose as few power as possible. Then, I was wondering what was the impedance...
Alina Siddique
4 months ago
Data converters
Data converters forum
ADS1298: Figure 44 of ADS 1298 page 43
TI Thinks Resolved
Part Number:
ADS1298
How could two independent sources can be tied to the same point. Especially WCT_to_RLD and Eitla of RLD REF_INT of RLDREFIN, can be tied together?
TCT
2 months ago
Data converters
Data converters forum
RE: ADS1298: ADS1298 DC Lead Off Detection
Hi Casper, Can you remove the 1nF differential decoupling capacitor between the LA and RA electrode and test the circuit again? During the LOFF condition, you can also measure the LA or RA input with a high-impedance (GOhms) voltmeter to see if the...
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