# 2181AS08\-U (Component)

## Description

Blackmer® Voltage\-Controlled Amplifier \(VCA\) IC – Precision trimmable voltage\-controlled amplifier \(VCA\) optimized for professional audio mixers, compressors, limiters, expanders, equalizers, panners, synthesizers, and audio automation systems\. Features a current\-in/current\-out architecture with dual polarity gain\-control inputs providing wide\-range exponential gain and attenuation control with ultra\-low distortion\. Operates from a dual ±4 V to ±18 V supply \(±15 V typical\), with 2\.4 mA typical supply current, 20 MHz gain\-bandwidth product, and 12 V/µs slew rate\. Delivers 0\.0025% typical THD at 1 kHz, −98 dBV output noise \(20 Hz–20 kHz\), 0\.5% typical gain\-control linearity, and 2 nA typical input bias current, making it ideal for high\-performance analog audio signal processing\. Packaged in an 8\-pin SOIC and specified for operation over a 0°C to \+70°C temperature range\.

\#THATCorporation \#2181AS08U \#THAT2181 \#BlackmerVCA \#VoltageControlledAmplifier \#AudioAmplifier \#ProfessionalAudio \#AudioProcessor \#Compressor \#Equalizer \#SOIC8 \#EmbeddedSystems

## Component Details

- **Owner:** silicon\-yard
- **Created:** 7/26/2026
- **Last Updated:** 8/25/2026
- **Visibility:** Public
- **Datasheet URL:** https://www\.mouser\.be/datasheet/2/407/THAT\_2181\-Series\_Datasheet\-1602487\.pdf
- **Manufacturer Part Number:** 2181AS08\-U
- **Manufacturer Name:** THAT CORPORATION
- **Part Type:** Integrated Circuit
- **Symbol Style:** parametric\-v1
- **Used in:** 4 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 |
|------------|--------------------|-------|
| [Mouser](https://www.mouser.com/en/ProductDetail/THAT/2181AS08-U?qs=B0jHjk6UZKUa55IKNFmq0g%253D%253D) | $11\.44 | 0 |

- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **MPN:** 2181AS08\-U
- **Package / Case Code:** 20\-SOIC
- **Pin Count:** 8
- **Logic Function:** AND
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | INPUT |  |
| 2 | EC\+ |  |
| 3 | EC\- |  |
| 4 | SYM |  |
| 5 | V\- |  |
| 6 | GND |  |
| 7 | V\+ |  |
| 8 | OUTPUT |  |

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*Generated from [https://flux\.ai/silicon\-yard/2181as08\-u](https://flux.ai/silicon-yard/2181as08-u)*