FSA8008A Series

Audio Jack Detection and Configuration Switch with Moisture Sensing

Catalog

Audio Jack Detection and Configuration Switch with Moisture Sensing

Part	Function	Voltage - Supply [Max]	Voltage - Supply [Min]	Number of Channels	Operating Temperature [Max]	Operating Temperature [Min]	Applications	Supplier Device Package	Package / Case	Mounting Type	Interface	Specifications
ON Semiconductor FSA8028UMX	Detection Switch	4.4 V	2.5 V	1	85 °C	-40 °C	Communication Systems Consumer Audio	10-UMLP (1.4x1.8)	10-UFQFN	Surface Mount
ON Semiconductor FSA8029UMX	Detection Switch	4.3 V	2.5 V	1	85 °C	-40 °C	Communication Systems Consumer Audio	10-UMLP (1.8x1.4)	10-UFQFN	Surface Mount	Logic	4-Pole
ON Semiconductor FSA8039AUMSX	Detection Switch	4.5 V	2.5 V	1	85 °C	-40 °C	Communication Systems Consumer Audio	10-UMLP (1.8x1.4)	10-UFQFN	Surface Mount	Logic	4-Pole
ON Semiconductor FSA8009UMX	Detection Switch	4.3 V	2.5 V	1	85 °C	-40 °C	Communication Systems Consumer Audio	10-UMLP (1.8x1.4)	10-UFQFN	Surface Mount	Logic	4-Pole
ON Semiconductor FSA8058UMX	Detection Switch	4.5 V	2.5 V	1	85 °C	-40 °C	Communication Systems Consumer Audio	10-UMLP (1.8x1.4)	10-UFQFN	Surface Mount	Logic	4-Pole
ON Semiconductor FSA8029UMX	Detection Switch	4.3 V	2.5 V	1	85 °C	-40 °C	Communication Systems Consumer Audio	10-UMLP (1.8x1.4)	10-UFQFN	Surface Mount	Logic	4-Pole
ON Semiconductor FSA8028UMX	Detection Switch	4.4 V	2.5 V	1	85 °C	-40 °C	Communication Systems Consumer Audio	10-UMLP (1.8x1.4)	10-UFQFN	Surface Mount	Logic	4-Pole
ON Semiconductor FSA8039AUMSX	Detection Switch	4.5 V	2.5 V	1	85 °C	-40 °C	Communication Systems Consumer Audio	10-UMLP (1.8x1.4)	10-UFQFN	Surface Mount	Logic	4-Pole
ON Semiconductor FSA8058UMX	Detection Switch	4.5 V	2.5 V	1	85 °C	-40 °C	Communication Systems Consumer Audio	10-UMLP (1.8x1.4)	10-UFQFN	Surface Mount	Logic	4-Pole
ON Semiconductor FSA8008AUMX	Detection Switch	4.4 V	2.5 V	1	85 °C	-40 °C	Communication Systems Consumer Audio	10-UMLP (1.8x1.4)	10-UFQFN	Surface Mount	Logic	4-Pole

Catalog

Audio Jack Detection and Configuration Switch with Moisture Sensing

Key Features

• Detection: Accessory Plug-In 3- or 4-Pole Audio Jack Send/End Key Pressed

• Functionality: Decreased Timing for Sensitive Send/End Keys

• Switch Type: MIC

• VDD: 2.5 to 4.4 V

• VIO: 1.6 to VDD

• THD (MIC): 0.01% Typical

• ESD (Air Gap): 15 kV

• Operating Temperature: -40°C to 85°C

• Package: 10-Lead UMLP 1.4x1.8x0.5 mm, 0.4 mm Pitch

• Top Mark: KZ

Description

The FSA8008A is an audio jack detector and switch for 3- or 4-pole accessories. In addition to detection, the FSA8008 features an integrated MIC switch that allows the processor to configure the audio jack. The architecture is designed to allow common third-party headphones to be used for listening to music from mobile handsets, personal media players, and portable peripheral devices.￭ Determines 3- or 4-Pole Audio Jacks￭ Removes Audio Jack Pop-n-Click Caused by MIC Bias￭ Detects Audio Jack Accessories:- Standard Headphones- Headsets with MIC- Send / End Button Presses￭ Integrates a MIC Switch for 4-Pole Configuration