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Amy Luo
3 months ago
Sensors
Sensors forum
LMP91200: Resistance value
Resolved
Part Number:
LMP91200
Hi team, A customer inquired about the internal resistance of
LMP91200
Gordon Varney
3 months ago
Sensors
Sensors forum
RE: LMP91200: Faulty VOCM and VOUT signal, seems random
A few comments that may help. 1) The probe is very high impedance (Ultra low current) What this means is that you will not be able to connect a multimeter to any of the probe connections. 2) The probe INP is so sensitive that it requires a Guard band...
Hoang Anh
5 months ago
Sensors
Sensors forum
LMP91200: Have problem with LMP91200
TI Thinks Resolved
Part Number:
LMP91200
Hi everyone. I had designed schematic using
LMP91200
to communicate with PH sensor. try to change PH value but ADC value i read not change. i have probe at the pin INP of PH sensor, when i don't plug in PH sensor it is...
Lauren Mayfield
5 months ago
Sensors
Sensors forum
LMP91200: pH sensor only has two wires, no third conductor - how to connect it to a guard?
TI Thinks Resolved
Part Number:
LMP91200
If the pH sensor only has two wires which I will connect to INP and VCOM what do I connect the guard to? There is not a third conductor in the pH sensor cable.
Oleg Kobrin
9 months ago
Sensors
Sensors forum
LMP91200: What about SPI and RTD senspr in this part?
Resolved
Part Number:
LMP91200
Hello! Currently the product folder of
LMP91200
shows a datasheet with no SPI
Oleg Kobrin
9 months ago
Sensors
Sensors forum
LMP91200: Using several LMP91200 in one design
TI Thinks Resolved
Part Number:
LMP91200
Hello! I am developing 4-channel ion meter, and plan using
LMP91200
for it. The question is - how to connect 4 parts to have one common VCM output for single reference electrode and 4 ion electrodes? Is it ok to connect all VCM...
Danilo Austria
8 months ago
Sensors
Sensors forum
LMP91200: RTD interface
TI Thinks Resolved
Part Number:
LMP91200
Hi Team, In the revision history of the datasheet of
LMP91200
, the temperature sensor function was deleted. A customer is looking for the RTD function of this device. I have checked our signal conditioner's product page but...
Gordon Varney
7 months ago
Sensors
Sensors forum
RE: LMP91200: pH electrode
Gama, It would be best if the manufacture of the sensor would provide this information in the datasheet in the form of a logarithmic response functions from which you can derive an algorithm, but it doesn't. A common use of gas sensors is in an...
Raymond Zhang1
2 months ago
Amplifiers
Amplifiers forum
RE: LMP7721: Current Measurement
Hi Sasi, Q: we like to know the sensing current range to be applied to the trans-impedance amplifier The sensing current range is depending on the feedback resistor of the TIA configuration, see the application link below. The TIA Vout's transfer...
Kailyn Chen
over 1 year ago
Sensors
Sensors forum
LMP91200: The type of PH electrode
TI Thinks Resolved
Part Number:
LMP91200
Dear, Our customer want to use the
LMP91200
for PH measurement, so he wants to know if he need use the glass electrode,complicated electrode or participate electrode. Best regards Kailyn
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