Photodiode TIA Design

Worked for 10 sec
Referenced guidance.
Thought for 15 sec — Searching for library schema
Created 6 tasks.
1/6 Rename project, create specification, and record initial requirements/power budget

Rename project, create specification, and record initial requirements/power budget

Select library parts for MCU, T/RH sensor, USB-C input, regulator, and protection

Add main components and supporting passives to the schematic

Wire USB-C power/protection, 3.3 V rail, MCU boot/debug, USB data, I2C sensor, and indicators

Create firmware/regulatory/bring-up project files

Run schematic/design checks and fix actionable issues

Thought for 8 sec
Reading project docs.
Renamed USB-C WiFi BLE TH Sensor.
Updating project description.
xedes

xedes

i want to design a TIA for a shf2240 photodidiode in 5 volt reverse bias mode using a opa140 op amp. you can aslo check if i need aother gain stage using the same op amp

flux

No design changes were made; the project remains empty because no ACUs are currently available.
Remaining work: verify the SHF2240 photodiode specifications, define target bandwidth and photocurrent range, calculate the OPA140 TIA feedback resistor/capacitor for 5 V reverse bias, check output swing/noise/stability, and determine whether a second OPA140 gain stage is required.
Design the TIA
Request key specifications
Check need for gain
Document design requirements
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    USB-C WiFi BLE TH Sensor

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