PT2315E PTC | Alldatasheet
Document overview
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Technical content
Stereo Audio Processor for Home TV Audio Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
DESCRIPTION
The PT2315E is an audio processor designed for versatile application, includes master volume control with low frequency loudness compensation, speaker output attenuator and tone control. It is a good solution for the home audio signal processing. Due to the high reliability requirement from the audio business, the PT2315E improves both audio performances and input surge current capability, these causes the PT2315E is the best solution for the cost-effective audio systems.
APPLICATIONS
- Flat Panel TV
- Home Audio System
- Powered Speaker System
FEATURES
- Master volume from 0 dB to -78.75dB in 1.25dB/step
- Speaker attenuator for balance, range from 0dB to -38.75dB in 1.25dB/step
- Each channel output can be muted individually.
- Low frequency loudness compensation
- Bass and Treble control, range from -14dB to +14dB in 2dB/step
- Wide operation range (VDD=4V to 10V)
- Low harmonic distortion, low noise
- Improved and replace PT2315 and PT2315A BLOCK DIAGRAM LOUDNESS LIN LOUD_L REF BOUT_L BIN_L TREB_L TREBLE BASS OUT_L REF REF LOUDNESS REF TREBLE BASS OUT_R TREB_R BOUT_R LOUD_R RIN VDD REF AGND REF SCL SDA DGND I2C DECODERBIAS BIN_R Master Volume Speaker Attenuator With Mute INT Ref Loud SW
V1.1 March 2010 APPLICATION CIRCUIT 22uFVDD 2.7n 2.7n 100n 100n 100n 100n 100n 100n 5.6K 5.6K Left Right 10uF 10uF Power Amplifier MCU PT 2315E 2.2uF 2.2uF AUDIO 1 2.2K 2.2K L R Input Surge Protection REF VDD AGND TRE B_ L TRE B_ R RIN LOUD_R LOUD_L LIN BOUT_L BIN_L BIN_R BOUT_R OUT_R OUT_L DGND SDA SCL 10 11 NC NC
V1.1 March 2010 ORDER INFORMATION Valid Part Number Package Type Top Code PT2315E-S 20 Pins, SOP, 300mil PT2315E PIN CONFIGURATION 10 11 20REF VDD AGND TREB_ L TREB_ R RIN LOUD_R NC LOUD_L NC LIN BOUT_L BIN_L BIN_R BOUT_R OUT_R OUT_L DGND SDA SCL PT2315E
V1.1 March 2010 PIN DESCRIPTION Pin Name I/O Description Pin No. REF - Analog reference voltage (1/2VDD) 1 VDD - Supply input voltage 2 AGND - Analog ground 3 TREB_L I Left channel input for treble controller 4 TREB_R I Right channel input for treble controller 5 RIN I Right channel volume controller input 6 LOUD_R I Right channel loudness input 7 NC No connect 8 LOUD_L I Left channel loudness input 9 NC No connect 10 LIN I Left channel volume controller input 11 BIN_L I Left channel input for bass controller 12 BOUT_L O Left channel output for bass controller 13 BIN_R I Right channel input for bass controller 14 BOUT_R O Right channel output for bass controller 15 OUT_R O Right rear speaker output 16 OUT_L O Left rear speaker output 17 DGND - Digital ground 18 SDA I I 2C data input 19 SCL I I 2C clock input 20
V1.1 March 2010 IMPORTANT NOTICE Princeton Technology Corporation (PTC ) reserves the right to make co rrections, modifications, enhancements, improvements, and other changes to its products and to discontinue any product without notice at any time. PTC cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a PTC product. No circuit patent licenses are implied. Princeton Technology Corp. 2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan Tel: 886-2-66296288 Fax: 886-2-29174598 http://www.princeton.com.tw