Part Number: LMP7721 Other Parts Discussed in Thread: INA321 , TINA-TI Hi ti,
I'm designing trans-impedance amplifier with LMP7721.
In my application, the circuit need voltage bias to input.
The circuit is below.
In the simulation, the voltage…
Part Number: LMP91000 Other Parts Discussed in Thread: LMP7721 Hello,
I have Some Questions related 4 Electrodes Gas Sensor. Currently, I am working with LMP91000 & LMP7721.
LMP91000 Configuration: ( WE,CE and RE )
VREF DIVIDER = 50%
RTIA = 14K
Rload…
Part Number: LMP7721 Other Parts Discussed in Thread: TLV9161 Hi, team.
I'm designing a trans-impedance amplifier using the LMP7721.
The C2 and IG1 is a model of sensor.
The sensor output is about 0.1~10 nA AC current.
The constant bias of 1.2 …
Part Number: LMP7721 Other Parts Discussed in Thread: TINA-TI Hi Team,
Our customer is simulated LMP7721 in TINA-TI for an electrometer application and would like to confirm if the simulation result is correct. According to our customer,
I am using the…
Part Number: LMP7721 Hello,
In this question:
https://e2e.ti.com/support/sensors/f/sensors-forum/912917/lmp91200-ph-electrode
RE: the user supplied circuit diagram.
The guard ring appears to be passive (not connected). The data sheet for lmp7721 8.1.1…
Part Number: LMP7721 Other Parts Discussed in Thread: LMC6062 , OPA391 Hello,
I am designing isolated loop powered pH measurement circuit, as I read through LMP7721 datasheet, its excellent bias current makes perfect for pH measurement.
However, LMP7721…
Part Number: LMP7721 Also very low bias current.
Goal to measure voltage across a sensing capacitor, displacement of charge.
1 pA bias current or less
Cin 1 pF differential
very low noise
We wish to use this methodology to reduce the Cin
https:…
Part Number: LMP7721 I am using this LMP7721 schematic as T ransimpedance amplifier, so is this circuit is OK for I to V convertor or any other changes need to be done?
Part Number: LMP7721 Other Parts Discussed in Thread: INA321 , TINA-TI Hi,
I made a two-stage trans-impedance amplifier using a LMP7721.
The schematic is below.
which is same to
The operating point of negative input node of LMP7721 was 1.5 V.
However…
Hi Jari,
even if the LM7721 shows an input bias current of +/-3nA, it can nevertheless be used in your circuit.
Can you tell more about your specimen you want to measure?
Kai