FSA8029 Audio Jack Send / End Detection with MIC / Video Switch Description Features Detection Switch Type VDD THD (MIC) ESD (Air Gap) Operating Temperature Package Top Mark Ordering Information The FSA8029 is an audio jack microphone / video switch for 3- or 4-pole accessories with send / end (S/E) detection. In addition to detection, the FSA8029 features an integrated microphone / video 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. Accessory Plug-In 3- or 4-Pole Audio Jack Send / End Key Pressed Microphone & Video 2.5 to 4.3V 0.01% Typical 16kV -40°C to 85°C 10-Lead UMLP 1.4x1.8x0.5mm, 0.4mm Pitch KS FSA8029UMX Determines when Send / End Button Key is Pressed Integrates a MIC / Video Switch for 4-Pole Configuration Reduces Pop / Click Caused by Microphone Bias Related Resources For samples and questions, please contact: Applications [email protected]. FSA8029 Demonstration Board 3.5mm and 2.5mm Audio Jacks Cellular Phones, Smartphones MP3 and PMP Typical Application Baseband Processor VIO GPIO VIO 2.8V VIO VDD Open Drain Output S/E1 Open Drain Output S/E2 TTL Level Input SEL GPIO1 GPIO2 GPIO3 + REF L R GND MIC + - 0.07x R SPKR GND 16-32Ω J_MIC NO, S/E Key VID CMIC NC, S/E Key VDD MIC 16-32Ω RMIC MIC Bias L SPKR Enable 1 2 3 4 Audio CODEC MIC R_VDD Applications Processor Video Out Figure 1. Mobile Phone Example © 2010 Fairchild Semiconductor Corporation FSA8029 • Rev. 1.0.1 www.fairchildsemi.com FSA8029 – Audio Jack Send / End Detection with MIC / Video Switch March 2012 FSA8029 – Audio Jack Send / End Detection with MIC / Video Switch Physical Dimensions 1.40 0.15 C A 1.70 B 2X (9X) 0.563 0.663 1 2.10 1.80 PIN#1 IDENT 0.40 0.15 C TOP VIEW 0.10 C 0.55 MAX. (10X) 0.225 2X RECOMMENDED LAND PATTERN 0.152 1.45 0.08 C SEATING PLANE 0.05 0.55 C SIDE VIEW 9X 0.45 0.40 1.85 0.35 (9X) 0.45 3 (10X) 0.225 6 DETAIL A OPTIONAL MINIMIAL TOE LAND PATTERN 0.40 1 NOTES: PIN#1 IDENT A. PACKAGE DOES NOT FULLY CONFORM TO JEDEC STANDARD. B. DIMENSIONS ARE IN MILLIMETERS. C. DIMENSIONS AND TOLERANCES PER ASME Y14.5M, 1994. D. LAND PATTERN RECOMMENDATION IS BASED ON FSC DESIGN ONLY. E. DRAWING FILENAME: MKT-UMLP10Arev3. 0.15 (10X) 0.25 10 BOTTOM VIEW 0.55 0.45 0.10 C A B 0.05 C 0.10 0.10 0.10 DETAIL A SCALE : 2X PACKAGE EDGE LEAD OPTION 1 SCALE : 2X LEAD OPTION 2 SCALE : 2X Figure 3. 10-Lead, UMLP Package Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. Ordering Information Part Number Operating Temperature Range Top Mark Package FSA8029UMX -40 to +85°C KS 10-Lead 1.4 x 1.8 x 0.55mm, 0.4mm Pitch, Ultrathin Molded Leadless Package (UMLP) © 2010 Fairchild Semiconductor Corporation FSA8029 • Rev. 1.0.1 www.fairchildsemi.com 7 FSA8029 – Audio Jack Send / End Detection with MIC / Video Switch © 2010 Fairchild Semiconductor Corporation FSA8029 • Rev. 1.0.1 www.fairchildsemi.com 8