FAN3800MLP24 Fairchild Semiconductor, FAN3800MLP24 Datasheet
FAN3800MLP24
Manufacturer Part Number
FAN3800MLP24
Description
IC AMP AUDIO .016W STER AB 24MLP
Manufacturer
Fairchild Semiconductor
Type
Class ABr
Specifications of FAN3800MLP24
Output Type
1-Channel (Mono) or 2-Channel (Stereo)
Max Output Power X Channels @ Load
16mW x 2 @ 16 Ohm
Voltage - Supply
2.7 V ~ 4.5 V
Features
Depop, Microphone, Mute
Mounting Type
Surface Mount
Package / Case
24-MLP
Operational Class
Class-AB
Output Power (typ)
0.02x2@32OhmW
Audio Amplifier Function
Microphone/Speaker
Single Supply Voltage (typ)
3.3V
Dual Supply Voltage (typ)
Not RequiredV
Supply Current (max)
6@3VmA
Power Supply Requirement
Single
Rail/rail I/o Type
No
Power Supply Rejection Ratio
80dB
Single Supply Voltage (min)
2.7V
Single Supply Voltage (max)
4.5V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
-20C to 60C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
24
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
AN-6066
FAN3800 Application Guide
Objective
The purpose of this document is to provide guidance for
typical operation of and layout guidelines for the FAN3800.
Features
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Applications
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Related Datasheets
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© 2008 Fairchild Semiconductor Corporation
Rev. 1.0.0 • 2/21/08
Regulated Positive Supply
Negative Supply Generator Allows for Ground-centered
Output Swing
Dual Speaker Drivers with Mono/Stereo Switch
Capability
Complete External Microphone Interface
Manual and Remote Send-End Switch Interface
Pop and Click Suppression
Single 2.7V to 4.5V Operation
2kV ESD (HBM) Protection
MLP 24 Pin Package
One-piece Stereo/Mono Headset with Microphone
3.5mm Stereo Headphone Adapter
2.5 or 3.5 Adapter for Stereo Headset with Microphone
FAN3800
Description
The FAN3800 is a low-cost solution to integrate the many
discreet parts currently used in stereo and mono headset
applications. It provides mono/stereo speaker drivers and a
complete microphone interface. Manual and remote Send-
End switching is also supported.
The FAN3800 speaker drivers are designed to operate with
a ground-centered output signal. This allows for the removal
of large and expensive DC blocking capacitors. In addition,
it allows for interfacing with externally powered speakers.
The speaker drivers are capable of driving up to 15.6mW
with 16Ω loads.
The FAN3800 delivers a complete solution for interfacing
an external microphone. The microphone interface provides
a regulated, high PSRR supply, differential input sense to
single-ended output driver amplifiers and output muting.
Gain is fixed at 38dB and can be attenuated externally with
a resistor divider network on Micout.
Send-End switching automatically routes the microphone
output to the D+ output. When activated, the speakers
switch from stereo to mono mode, both driven by the D-
input. Pop and click noise are minimized during power on,
power off, and mode switching. Send-End information can
be generated manually through an external switch.
www.fairchildsemi.com
www.fairchildsemi.com
RMS
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FAN3800MLP24 Summary of contents
Page 1
... Stereo Headphone Adapter • 2.5 or 3.5 Adapter for Stereo Headset with Microphone Related Datasheets • FAN3800 © 2008 Fairchild Semiconductor Corporation Rev. 1.0.0 • 2/21/08 www.fairchildsemi.com Description The FAN3800 is a low-cost solution to integrate the many discreet parts currently used in stereo and mono headset applications ...
Page 2
... FAN3800 is to reduce the discrete components currently being used in these applications. The FAN3800 includes an internal power supply, speaker and microphone © 2008 Fairchild Semiconductor Corporation Rev. 1.0.0 • 2/21/08 amplifiers, multi-purpose button interface, mono/stereo switching, USB detection and identification, and muting. ...
Page 3
... D+ is routed to the right speaker output and the left speaker channel from the D- line is routed to the left speaker output. In stereo mode, the microphone is muted. © 2008 Fairchild Semiconductor Corporation Rev. 1.0.0 • 2/21/08 In standby, the device turns off the V configures the D- line to the internal supply rail ...
Page 4
... AN-6066 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION, OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS ...