Tool/software: hi Support,
One of my customer had order ADS7844NB but they seems to received ADS7844N instead.
Please confirm if this is a wrong delivery?
Based on Pg 2 of the datasheet specification, it seems to have some minor differences. Can…
Part Number: ADS7844 Hi Dear,
The customer has selected ADS7844 and wants to accelerate the software development process. Is there a driver routine based on ARM platform that can be provided to the customer for reference? thanks
Part Number: ADS7844 The ADS7844 datasheet specifies absolute maximum input voltage for analog inputs (multiplexer inputs and reference input) is "-0.3V to +Vcc + 0.3V". Do ADS7844 analog inputs have ESD protection diodes? If so, can absolute maximum…
Part Number: ADS7844 Hi Team,
We have some questions for the SPI behavior during working with the customer. The waveform below is capture from the ADS7844 SPI bus.
We noticed the waveform is changing state on different edge of the clock signal…
Part Number: ADS7844 A few ADS7844 board are not output for BUSY and DOUT.
Waveform is attached below;
※Red: SCLK, Yellow: DIN, Write: BUSY, Blue: DOUT, 10μs/div
Please let me know about two points below;
・Is there any problem on above waveform…
Part Number: ADS7844 Hi team,
My customer is looking to work with the ADS7844 and are curious if there is an maximum source impedance. Do we have a maximum source impedance spec for the ADS7844?
I found a similar question in another E2E forum post…
Part Number: ADS7844 Hello,
My customer is using the ADS7844, can you help to clarify below question?
1. After control byte is completed, When does the busy signal go low if no DCLK never?
2. what is the BUSY signal status after control byte is…
Part Number: ADS7844 Hi,
In the datasheet for the ADS7844, the absolute maximum input voltage rating for the analog inputs is given as -0.3 V to VCC + 0.3 V. However, in the specification table, an "absolute input range" for the negative inputs (when…
Part Number: ADS7844 I'm attempting to use the 24 clock cycle model to communicate with the device (Figure 3 in user's manual) but I never seem to get any data back from the device during the 16 clock cycles "Conversion". I do however see data in DOUT…
Hello,
the input driving op amps needed heavily depend on the sampling rate the ADC is running at.
If you plan to run the ADS7953 at the same sampling rate the driver was design for the ADS7844, then yes, the driver will be compatible.
But if the…