OPA2145 Datasheet PDF - Texas Instruments 5.5-MHz JFET Operational Amplifiers Specs

OPA2145 - 5.5-MHz JFET Operational Amplifiers

This page provides the datasheet information for the OPA2145, a member of the OPA145 5.5-MHz JFET Operational Amplifiers family.

Datasheet Summary

Description

The OPA145 and OPA2145 (OPAx145) devices are part of a family of low-power JFET input amplifier that have excellent drift, low current noise, and picoampere input bias current.

Features

Best bandwidth and slew-rate-to-power ratio:.
gain-bandwidth product: 5.5 MHz.
Slew rate: 20 V/μs.
Low supply current: 475 µA (maximum).
High precision:.
Very low offset: 150 μV (maximum).
Very low offset drift: 1 μV/°C (maximum).
Low input bias current: 2 pA.
Excellent noise performance:.
Very low voltage noise: 7 nV/√Hz.
Very low current noise: 0.8 fA/√ Hz.
Input-voltage range includes.

Datasheet Details

Part number	OPA2145
Manufacturer	Texas Instruments
File Size	2.54 MB
Description	5.5-MHz JFET Operational Amplifiers
Datasheet	OPA2145 Datasheet
Additional preview pages of the OPA2145 datasheet.

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Full PDF Text Transcription

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OPA145, OPA2145 SBOS427F – JUNE 2017 – REVISED MARCH 2021 OPAx145 High-Precision, Low-Noise, Rail-to-Rail Output, 5.5-MHz JFET Operational Amplifiers 1 Features • Best bandwidth and slew-rate-to-power ratio: – gain-bandwidth product: 5.5 MHz – Slew rate: 20 V/μs – Low supply current: 475 µA (maximum) • High precision: – Very low offset: 150 μV (maximum) – Very low offset drift: 1 μV/°C (maximum) • Low input bias current: 2 pA • Excellent noise performance: – Very low voltage noise: 7 nV/√Hz – Very low current noise: 0.8 fA/√ Hz • Input-voltage range includes V– supply • Single-supply operation: 4.5 V to 36 V • Dual-supply operation: ±2.

Published: Feb 13, 2025 |