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PDF PT2309 Data sheet ( Hoja de datos )
| Número de pieza | PT2309 | |
| Descripción | Headphone Driver IC | |
| Fabricantes | PTC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PT2309 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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www.DataSheet4U.com
Headphone Driver IC
Tel:886-2-66296288
Fax:886-2-29174598
URL:http://www.princeton.com.tw
PT2309
DESCRIPTION
The PT2309 is a headphone driver IC, it can working on wide supply range. Utilizing CMOS
Technology, it has very low power consumption is in stand-by mode. Total harmonic distortion is lower
than 0.03% (32Ω load) and the also has low noise output. Built-in mute function can prevents popping
sounds happen when power is turned ON or OFF. It is also has built-in over-temperature protection,
minimum package size for space saving and suitable for small or portable products.
FEATURES
• CMOS Technology
• Stereo Input
• Drive 32Ω impedance load
• Low noise, Low distortion
• Suppress the pop and click noise when mode changed
• Built-in mute function
• Available in 8 Pins, DIP or SOP Package
APPLICATIONS
• Portable VCD/DVD
• CD-ROM
• PDA
• Sound Card
PT2309 V1.2
-1-
August, 2006
1 page  
Headphone Driver IC
Tel:886-2-66296288
Fax:886-2-29174598
URL:http://www.princeton.com.tw
PT2309
MUTE
When the mute pin is connected to the GND, all of outputs signal will be muted immediately.
Connecting the external R/C components on here could prevent the power–on “POP” noises, the mute
function also can be active by the external DC voltage.
Due to the built-in pull down resistor (150KΩ), a larger value series resistor connecting to the mute pin
may causes mute malfunction because of mute voltage divided by the resistor network. For the
detailed connection description please refer to the application circuit.
The attenuation of mute is relation with CB, we suggest CB must be higher then 10µF, the recommend
value is 47µF. Higher CB will have better mute characteristic.
PT2309 V1.2
-5-
August, 2006
5 Page 
Headphone Driver IC
8 PINS, SOP, 150 MIL
Tel:886-2-66296288
Fax:886-2-29174598
URL:http://www.princeton.com.tw
PT2309
PT2309 V1.2
- 11 -
August, 2006
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet PT2309.PDF ] | |
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