{"schemaVersion":1,"slug":"transimpedance-amplifier","name":"Transimpedance amplifier","kind":"symbol","abbreviation":"TIA","aliases":["current to voltage amplifier","photodiode amplifier"],"category":"logic-signals","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Converts an input current into an output voltage through the documented feedback arrangement.","description":["Converts an input current into an output voltage through the documented feedback arrangement.","On a schematic, identify the detector/current input, feedback impedance and input reference and trace the voltage output and receiving acquisition circuit. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","A transimpedance amplifier relates current to voltage; a transconductance amplifier relates voltage to current.","The preview is an independently drawn educational functional reference. Add the selected component’s actual power pins, terminal numbers, timing or analogue reference details when producing a construction drawing."],"readingNotes":["Identify the detector/current input, feedback impedance and input reference.","Trace the voltage output and receiving acquisition circuit."],"drawingChecklist":["Label the detector/current input, feedback impedance and input reference.","Cross-reference the voltage output and receiving acquisition circuit.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"A transimpedance amplifier relates current to voltage; a transconductance amplifier relates voltage to current.","facts":[{"label":"Common schematic mnemonic","value":"TIA — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The detector/current input, feedback impedance and input reference"},{"label":"Artwork scope","value":"Original educational functional/circuit reference; not a selected product pinout."}],"references":[{"sourceId":"pub-electronics-adi-tia","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["operational-transconductance-amplifier","plc-io"],"artwork":"electronics-amp-tia","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/transimpedance-amplifier","illustration":{"url":"https://eloragrid.ai/library/illustrations/transimpedance-amplifier.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-electronics-adi-tia","title":"ADA4530-1 — electrometer and current-to-voltage acquisition","publisher":"Analog Devices","url":"https://www.analog.com/en/products/ada4530-1.html","type":"manufacturer","scope":"Public component description and documentation for electrometer and current-to-voltage acquisition. Used to support the functional reference, not to prescribe a circuit or redistribute product diagrams.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}]}