---
name: "adc"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/adc"
---

# adc(4)

Analog Devices AD7416/AD7417/7418 temperature sensor

## NAME

**adc** – Analog Devices AD7416/AD7417/7418 temperature sensor

## SYNOPSIS

**adc\* at iic?**

## DESCRIPTION

The **adc** driver provides support for the Analog Devices AD7416/AD7417/7418 temperature sensor. The sensor possesses at least an internal temperature sensor. The AD7417 and 7418 also contain 4 additional ADC converters. These values are made available through the [sysctl(8)](/sysctl/8.md) interface.

## SEE ALSO

[iic(4)](/iic/4.md), [intro(4)](/intro/4.md), [sensorsd(8)](/sensorsd/8.md), [sysctl(8)](/sysctl/8.md)

## HISTORY

The **adc** driver first appeared in OpenBSD 3.9.

## AUTHORS

The **adc** driver was written by Theo de Raadt ⟨*deraadt@openbsd.org*⟩.