# OPA1642AIDR (Component)

## Description

Dual JFET\-Input Audio Operational Amplifier – Texas Instruments OPA1642AIDR is a dual\-channel audio op amp with rail\-to\-rail output, 5\.1 nV/√Hz input voltage noise, 0\.00005% THD\+N, 20 V/µs slew rate, and 2 pA input bias current\. It operates from ±2\.25 V to ±18 V supplies, with 1\.8 mA quiescent current per channel, and is housed in an 8\-pin SOIC surface\-mount package\. Operating temperature is −40°C to \+85°C\.

\#TexasInstruments \#OPA1642AIDR \#AudioOpAmp \#JFET \#OperationalAmplifier \#RailToRail \#AudioElectronics \#SOIC8 \#AnalogIC

## Component Details

- **Owner:** silicon\-yard
- **Created:** 8/27/2026
- **Last Updated:** 8/27/2026
- **Visibility:** Public
- **Part Type:** Transistors
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/ca10adfdcaeeb9e0e57a97bd484e1b6927050b4bd478a61c876011b973fca00f\.pdf
- **Manufacturer Part Number:** OPA1642AIDR
- **Manufacturer Name:** Texas Instruments
- **Symbol Style:** parametric\-v1
- **Used in:** 8 projects

## Distributor Pricing (qty 1)

*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/opa1642aidr/texas-instruments?utm_currency=USD&region=asia) | $1\.381 | 51 |
| [Digi\-Key](https://www.digikey.com/en/products/detail/texas-instruments/OPA1642AIDR/2261898) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C67640.html) | $1\.2744 | 1\.2K |
| [Mouser](https://www.mouser.com/en/ProductDetail/Texas-Instruments/OPA1642AIDR?qs=%252Fqzd9s%25252BcLd5XsvkIemKm8g%253D%253D) | $2\.14 | 5\.4K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=OPA1642AIDR) | $1\.26 | 0 |
| [Verical](https://www.verical.com/pd/texas-instruments-amplifier---audio-OPA1642AIDR-519746?utm_currency=USD) | N/A | N/A |

- **Part Type:** Transistors
- **Sub-Type:** JFET
- **Manufacturer:** Texas Instruments
- **MPN:** OPA1642AIDR
- **Mount Type:** Surface Mount
- **Package / Case Code:** 20\-SOIC
- **Pin Count:** 8
## Pins

| Pin | Name | Type |
|-----|------|------|
| 8 | V\+ |  |
| 2 | \-IN\_A |  |
| 3 | \+IN\_A |  |
| 1 | OUT\_A |  |
| 6 | \-IN\_B |  |
| 5 | \+IN\_B |  |
| 7 | OUT\_B |  |
| 4 | V\- |  |

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*Generated from [https://flux\.ai/silicon\-yard/opa1642aidr\~wy](https://flux.ai/silicon-yard/opa1642aidr~wy)*