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PT2301

PTC
Part Number PT2301
Manufacturer PTC
Description 1 Watt Audio Power Amplifier
Published Feb 13, 2015
Detailed Description 1 Watt Audio Power Amplifier DESCRIPTION Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT230...
Datasheet PDF File PT2301 PDF File

PT2301
PT2301

Overview
1 Watt Audio Power Amplifier DESCRIPTION Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.
princeton.
com.
tw PT2301 PT2301 is a multi-purpose audio power amplifier IC utilizing advanced CMOS technology.
PT2301 includes 2 microphone inputs and 2 stereo line inputs.
PT2301 supports headphone stereo sound output and a single channel loudspeaker output terminal.
PT2301 is a low noise power amplifier with a maximum output of 1 watt.
It uses the I2C protocol and has a broad volume control range (+15dB ~ -90dB).
FEATURES • 1W (8 Ω) single channel loudspeaker output + stereo headphones driver • Digital volume control (49 steps /+15dB ~ -90dB) • 2 microphone inputs, 1 microphone output • The output-port does not need to be connected to the AC capacitor (PT2301-A) • Standby mode and Mute function • Thermal shutdown protection circuit • Energy Save function • Extremely low (POP) noise • Wide working voltage range: 2.
7V ~ 5.
5V • Low THD: earphone < 0.
07%, speaker < 0.
03% • Available in 24 Pin, TSSOP Package APPLICATIONS • Electronic dictionary • PDA • DSC (Digital Still Camera) PT2301 v1.
2 -1- August, 2004 1 Watt Audio Power Amplifier PIN CONFIGURATION Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.
princeton.
com.
tw PT2301 L1L 1 L2L 2 MIC1 3 VSS2 4 SCL 5 SDA 6 VCC 7 MICOUT 8 MIC2 9 L2R 10 L1R 11 REF 12 PT2301 Note: PT2301-A Pin 19 is VEE, PT2301-B Pin 19 is NC.
24 MIC_SENSE 23 HP_SENSE 22 LOUT 21 VP1 20 SP+ 19 VEE (*) 18 SP17 VP2 16 ROUT 15 VSS1 14 /SHUTDOWN 13 MUTE PT2301 v1.
2 -2- August, 2004 1 Watt Audio Power Amplifier APPLICATION CIRCUIT I (PT2301-A) Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.
princeton.
com.
tw PT2301 VCC J1 2 4 EXTERNAL MICIN C9 1 F 3 1 MICROPHONE JACK 0 R3 10K INTERNAL MICIN C8 1 F R4 10K C2 1 F MICOUT C7 1 F RL1 24K L1L C6 1 F L2L RL2 24K VCC + 100 F SCL SDA L2R L1R 0 C4 1 F RR2 24K C5 1 F RR1 24K 0 4.
7K 4.
7K Cb1 10 F 0 1 L1L MIC_SENSE 24 2 L2L HP_SENSE 23 3 MIC1 LOUT 22 4 VSS2 VP1 21 5...


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