FAIRCHILD FSA8008UMX

FSA8008/FSA8008A
Audio Jack Detection and Configuration Switch
Description
Features
Accessory Plug-In
3- or 4-Pole Audio Jack
Send/End Key Pressed
FSA8008
Decreased Timing
Functionality
FSA8008A for Sensitive
Send/End Keys
Switch Type
MIC
VDD
2.5 to 4.4V
VIO
1.6 to VDD
THD (MIC)
0.01% Typical
ESD (Air Gap)
15kV
Operating Temperature
-40°C to 85°C
10-Lead UMLP
Package
1.4x1.8x0.5mm, 0.4mm Pitch
FSA8008
KC
Top Mark
FSA8008A
KD
FSA8008UMX
Ordering Information
FSA8008AUMX
Detection
Applications
 3.5mm and 2.5mm Audio Jacks
 Cellular Phones, Smartphones
 MP3 and PMP
The FSA8008/FSA8008A is an audio jack detector and
switch for 3- or 4-pole accessories. In addition to detection,
the FSA8008/FSA8008A 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
Related Resources
 FSA8008/FSA8008A Demonstration Board
 For samples and questions, please contact:
[email protected]
Typical Application
Figure 1. Mobile Phone Example
© 2011 Fairchild Semiconductor Corporation
FSA8008 / FSA8008A • Rev. 1.0.3
www.fairchildsemi.com
FSA8008 / FSA8008A – Audio Jack Detection and Configuration Switch
March 2011
0.15 C
A
1.40
2X
1.700
B
9X
0.563
0.663
1
1.80
PIN #1 QUADRANT
2.100
0.400
0.15 C
2X
10X
0.225
TOP VIEW
RECOMMENDED LAND PATTERN
0.55 MAX.
1.450
0.10 C
0.08 C
9X
0.450
0.550
0.152
SEATING
PLANE
0.050
C
0.400
SIDE VIEW
1.850
10X
0.225
3
9X
0.35
0.45
0.45
0.55
OPTIONAL MINIMIAL TOE LAND PATTERN
0.40
6
1
10
0.500
0.15
10X
0.25
0.100
0.10 C A B
0.05 C
0.100
0.100
BOTTOM VIEW
DETAIL A
PIN #1 TERMINAL
SCALE: 2X
A. DIMENSIONS ARE IN MILLIMETERS.
B. DIMENSIONS AND TOLERANCES PER
ASME Y14.5M, 1994
C. DRAWING FILENAME: UMLP10Arev2
Figure 4. 10-Lead UMLP Package Drawing
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
FSA8008UMX
FSA8008AUMX
-40 to +85°C
Top Mark
Package
KD
10-Lead 1.4 x 1.8 x 0.55mm, 0.4mm pitch Ultrathin
Molded Leadless Package (UMLP)
KC
© 2011 Fairchild Semiconductor Corporation
FSA8008 / FSA8008A • Rev. 1.0.3
www.fairchildsemi.com
9
FSA8008 / FSA8008A – Audio Jack Detection and Configuration Switch
Physical Dimensions
FSA8008 / FSA8008A – Audio Jack Detection and Configuration Switch
© 2011 Fairchild Semiconductor Corporation
FSA8008 / FSA8008A • Rev. 1.0.3
www.fairchildsemi.com
10