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NL3S325 Audio Jack GND/MIC Configuration Switch
https://static6.arrow.com/aropdfconversion/df398021e78eef2442650ea2022aca7888316733/nl3s325-d.pdf
Audio Jack GND/MIC Configuration Switch The NL3S325 is an audio jack configuration switch device. It allows reconfiguration of the GND, microphone bias contact to comply with the American Headset Jack (AHJ) and the Open Mobile Terminal Platform (OMTP) pinout. It also provides a GND sense path that supports quasi differential audio amplifier ...
Audio Jack Detector with Send / End Detect
https://www.vishay.com/docs/62970/dg2592.pdf
AUDIO JACK L_DET GND_DET DET MIC 00 Low High Detected d e t c e t e d t o N w o L h g i 10 H d e t c e t e d t o N w o L h g i 01 H d e t c e t e d t o N w o L h g i 11 H ABSOLUTE MAXIMUM RATINGS PINS OR PARAMETERS CONDITIONS LIMITS UNIT VDD, VDD2 Reference to GND -0.3 to 6 V L_Detect, GND_Detect, DET Reference to GND -0.3 V to VDD
Four Channel Audio Passive Stereo Mixer
https://cdn-learn.adafruit.com/downloads/pdf/four-channel-audio-passive-stereo-mixer.pdf
The stereo audio jack's three pins are numbered on the bottom of the jack. GND is connected to pin 1 and is the longest pin in the middle of the jack. Right channel audio is connected to pin 2 and left channel audio is connected to pin 3. Wiring Connections The passive mixer circuit consists of four identical audio inputs and one audio output ...
Intel HD Audio, front panel jacks, Signal GND vs Chassis …
https://hydrogenaud.io/index.php?topic=117828.0
Re: Intel HD Audio, front panel jacks, Signal GND vs Chassis GND. Reply #4 – 2019-07-02 04:57:05. It is slightly more complicated, the DAC's ground isn't earth ground (since it has no negative rail), so usually there is a decoupling capacitor to prevent any DC ground loop from existing. There can still be a loop at higher frequencies however.
NCX8193 Audio jack detection and configuration …
https://www.nxp.com/docs/en/data-sheet/NCX8193.pdf
supplies and GND connections. When the headset or accessory plug is inserted into audio jack, the J_DET pin is shorted to the left (L) audio channel. Audio performance, within the audio range of 20 – 20 kHz, may be affected when connecting external circuitry to the J_DET pin. 10. Limiting values Table 5. Limiting values Fig 5. NCX8193 ...
3.5mm Audio Jack (TS, TRS, TRRS Type Audio Jack) …
https://components101.com/connectors/35mm-audio-jack
Brief Description. Now-a-days 3.5mm is the universal audio jack size to be found in Smartphones, PC and Laptops. Also, for hobbyists 3.5mm audio jack is a useful components for projects that plug into headphone jacks. There are different types of 3.5mm audio jack available with different application like TS, TRS, and TRRS, but the most common ...
TS3A225E data sheet, product information and support | …
https://www.ti.com/product/TS3A225E
Configuration audio jack Features Autonomous headset MIC/GND detection (3 or 4 pole), Integrated Codec Sense Line, Manual I2C Control Supply voltage (Min) (V) 2.7 Supply voltage (Max) (V) 4.5 Supply current (Typ) (uA) 8 Operating temperature range (C)-40 to 85
An Overview of Audio System Grounding & Shielding
https://www.bennettprescott.com/downloads/grounding_tutorial.pdf
MYTH: Audio Inputs and Outputs Should Be “Impedance Matched” Wastes half the signal voltage and places an unnecessarily heavy load on the driver! Transfers maximum power in vintage passive 600 Ωsystems but not applicable to modern audio systems driven by signal voltage Higher frequency cables are terminated with the “characteristic impedance” of the cable to
Front Panel Audio Connector and Header Pinouts for Intel ...
https://www.intel.com/content/www/us/en/support/articles/000005512/boards-and-kits/desktop-boards.html
The front panel audio header on an Intel® Desktop Board lets you connect to a front panel audio module built into a system chassis. See the header pinout configuration below for connecting a chassis with Intel® High Definition Audio (Intel® HD Audio) or AC'97 (Audio Codec '97) audio. HD Audio headers are pin-compatible with AC'97 chassis and ...
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