Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 1W Class-AB Audio Power Amplifier PT2366 DESCRIPTION PT2366 is an audio power amplifier IC utilizing advanced CMOS technology. It can deliver 1W power output under 5V supply voltage. The power consumption is very low in stand-by mode. Built-in over-temperature protection, package size is not occupies PCB space. It is suitable for small or portable products. FEATURES • • • • • • CMOS technology Output power 1W (8Ω) Low harmonics distortion Built-in pop and click noise suppress Shutdown function, turn on can into save mode (Icc<0.1µA) Built-in over-temperature protection APPLICATIONS • • • • • DSC, PDA LCD TV or Monitor Electronic dictionary Multimedia speaker Other A/V applications PT2366 V1.2 -1- May, 2008 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 1W Class-AB Audio Power Amplifier PT2366 PIN CONFIGURATION /S HUTDOW N 1 BY PASS 2 +IN -IN 8 VO 2 7 GND 3 6 VD D 4 5 VO 1 PT 2366 PIN DESCRIPTION Pin Name I/O /SHUTDOWN I BYPASS +IN -IN Vo1 VDD GND Vo2 I I I O O PT2366 V1.2 Description Shutdown pin Entire IC into the shutdown mode when this pin connected to the GND. Internal bias reference bypassing Channel input (+) Channel input (-) Channel output (-) Supply voltage Ground Channel output (+) -2- Pin No. 1 2 3 4 5 6 7 8 May, 2008 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 1W Class-AB Audio Power Amplifier PT2366 APPLICATION CIRCUIT SINGLE ENDED INPUT Notes: 1. * = Not stuffed 2. Add a circuit (Cf) if needed, it can be a low filter to delete high frequency oscillation, but must to avoid incorrect Rf and Cf combination to cause “glide” before 20KHz. In general Rf=20KΩ, Cf=25pF, -3dB is 320KHz is recommended. PT2366 V1.2 -3- May, 2008 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 1W Class-AB Audio Power Amplifier PT2366 DIFFERENTIAL INPUT PT2366 V1.2 -4- May, 2008 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 1W Class-AB Audio Power Amplifier PT2366 ORDER INFORMATION Valid Part Number PT2366-MS PT2366 V1.2 Package Type 8 Pins, MSOP, 118mil -5- Top Code PT2366-MS May, 2008