FAN3800MLP24X
FAN3800MLP24X Datasheet
FAN3800 Mono / Stereo Audio Amplifier with Microphone Pre-Amplifier and EMU Interface
| Part | Datasheet |
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FAN3800MLP24X |
FAN3800MLP24X (pdf) |
| Related Parts | Information |
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FAN3800MLP24 |
FAN3800MLP24 |
| PDF Datasheet Preview |
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| FAN3800 Mono / Stereo Audio Amplifier with Microphone Pre-Amplifier and EMU Interface October 2007 FAN3800 Mono / Stereo Audio Amplifier with Microphone Pre-Amplifier and EMU Interface Regulated positive supply Negative supply generator allows ground-centered output swing Dual speaker drivers with mono/stereo switch capability Capable of driving 16mWRMS per channel Complete external microphone interface Enhanced mini-USB bus detection and interface circuitry 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 EMU to 3.5mm stereo headphone adapter EMU to or adapter for stereo headset with microphone The FAN3800 is a low-cost solution that integrates the many discrete parts currently used in stereo headset applications. It provides mono / stereo speaker drivers and a complete microphone interface. Additionally, the FAN3800 allows headset detection and identification through a 5-pin, enhanced mini-USB EMU bus. Manual and remote send-end switching is supported. The FAN3800 speaker drivers are designed to operate with a ground-centered output signal. This allows removal of large and expensive DC blocking capacitors. In addition, it allows interfacing with externally powered speakers. The speaker drivers are capable of driving up to 16mWRMS per channel. 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 36dB and can be attenuated externally with a resistor divider network. 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 is minimized during switching. Send-end information can be generated manually through an external switch or through the EMU bus interface. SW1 V+ GND VS CP1 CP2 ID MUTE BYPASS MIC+ MICMICSUP MLP-24 4x4mm CPOUT VSPKLOUT VS SPKROUT D+ MICOUT MICSW GND D- SPKLIN SPKRIN Ordering Information Part Number FAN3800MLP24X Pb-Free Figure FAN3800 Pin Out Package 24-Pin Molded Leadless Package MLP Packing Method Pack FAN3800 Mono / Stereo Audio Amplifier with Microphone Pre-Amplifier and EMU Interface Block Diagram VBUS DD+ ID SPKLIN D- SPKRIN D+ CP1 CP2 CPOUT 2.5V Suppl y Vpos MIC BIAS Neg Suppl y DRstereo Vpos Rmono VVpos V0dB VVpos V0dB MICBIAS ID Bias SE N D /EN D N.O. Rid 102k 38dB D- Audi o Re mo val Filter MICSW MICOUT Bias V+ MUTE R1 MUTE R2 SPKLOUT SPK R OU T BYPASS MICSUP R mic+ MIC- R mic Figure Block Diagram 2007 Fairchild Semiconductor Corporation SW1 V+ GND VS CP1 CP2 MICOUT MICSW GND D- |
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