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PT2305

PTC
Part Number PT2305
Manufacturer PTC
Description 2.5W x 2 Class AB Audio Power Amplifier
Published Feb 10, 2007
Detailed Description www.DataSheet4U.com Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 2.5W × 2 Class AB Audio P...
Datasheet PDF File PT2305 PDF File

PT2305
PT2305

Overview
www.
DataSheet4U.
com Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.
princeton.
com.
tw 2.
5W × 2 Class AB Audio Power Amplifier PT2305 DESCRIPTION The PT2305 is an audio power amplifier utilizing CMOS Technology specially designed for audio purpose.
It can deliver 2.
5W × 2 power output to the 4Ω load.
The power consumption is very low in stand-by.
Total harmonic distortion is lower than 0.
03%.
The output structure is BTL (Bridge-Tied Load) mode for driving speaker load mode.
Built-in over-temperature protection, package size is not occupies PCB space.
It is suitable for small or portable products.
FEATURES • • • • • • • CMOS Technology Operating voltage: 2.
7V ~ 6V Output power 2.
5W × 2 (4Ω/10%THD) Built-in 31 steps volume controller Suppress the pop and click noise when mode changed Extreme low current consumption in Shutdown mode (Icc<0.
7µA) Built-in over temperature protection APPLICATIONS • • • • LCD monitor or TV Portable audio Multimedia speakers Other audio applications PT2305 V1.
0 -1- September, 2004 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.
princeton.
com.
tw 2.
5W × 2 Class AB Audio Power Amplifier PT2305 PIN CONFIGURATION Bypass GND -Out 1 VDD +Out 1 GND Shutdown Mute VDD DC_Vol 1 2 3 4 5 6 7 8 9 10 20 19 18 17 GND GND -OUT 2 VDD +Out 2 GND Vo 2 Vin 2 Vin 1 Vo 1 PT2305 16 15 14 13 12 11 PT2305 V1.
0 -2- September, 2004 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.
princeton.
com.
tw 2.
5W × 2 Class AB Audio Power Amplifier PT2305 APPLICATION CIRCUIT ORDER INFORMATION Valid Part Number PT2305 PT2305-S PT2305-D PT2305 (L) PT2305-S (L) PT2305-D (L) Package 20 Pins, TSSOP, 173mil 20 Pins, SOP, 300mil 20 Pins, DIP, 300mil 20 Pins, TSSOP, 173mil 20 Pins, SOP, 300mil 20 Pins, DIP, 300mil Top Code PT2305 PT2305-S PT2305-D PT2305 PT2305-S PT2305-D Notes: 1.
(L) = Lead Free 2.
The Lead Free mark is put in front of the date code.
PT2305 V1.
0 -3- September, 2004 ...


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