# AT8557/TR (Component)

## Description

Auto\-zero precision CMOS RRIO op amp, 50µV max offset, 4\.3MHz GBW, 2\.7V\-5\.5V, SOT23\-5 \(tape & reel\)\. LCSC lists as "OP Amps AT8557/TR"\. Role: precision operational amplifier\.

## Component Details

- **Owner:** jharwinbarrozo
- **Created:** 10/26/2026
- **Last Updated:** 10/26/2026
- **Visibility:** Public
- **Part Type:** Operational Amplifier \(OP\-AMP\)
- **Manufacturer Part Number:** AT8557/TR
- **Manufacturer Name:** Analog Technologies
- **Package or Case Code:** SOT\-23\-5
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/116384b242297f429bce5554b80180745000534f5529c0cf6fcf1226d746b4dc\.pdf
- **Frequency:** 4\.3MHz
- **Operating Voltage:** 2\.7\-5\.5V

## Distributor Pricing (qty 1)

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

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Digi\-Key](https://www.digikey.com/en/products/detail/analog-technologies-inc/AT8557-TR/16691884) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C19762711.html) | $3\.2538 | 0 |

- **Part Type:** Integrated Circuits
- **Sub-Type:** Linear
- **MPN:** AT8557/TR
- **Package / Case Code:** SOT\-23\-5
- **Pin Count:** 5
- **Operating Voltage:** 2\.7\-5\.5V
- **Frequency:** 4\.3MHz
- **Logic Function:** Buffer
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | OUT | Output |
| 2 | V\- | Power In |
| 3 | \+IN | Input |
| 4 | \-IN | Input |
| 5 | V\+ | Power In |

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*Generated from [https://flux\.ai/jharwinbarrozo/at8557tr\~1l5](https://flux.ai/jharwinbarrozo/at8557tr~1l5)*