PT7314 – 4-Channel Input Audio Processor

Part Number : PT7314

Function : 4-Channel Input Audio Processor

Manufactures : ETC

Images :

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PT7314 image

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pinout

Description :

4-Channel Input Audio Processor 7314 DESCRIPTION 7314 is a four-channel input digital audio processor utilizing CMOS Technology. Volume, Bass, Treble and Balance are incorporated into a single chip. Loudness Function and Selectable Input Gain are also provided to build a highly effective electronic audio processor having the highest performance and reliability with the least external components. All functions are programmable using the I2C Bus. The pin assignments and application circuit are optimized for easy PCB layout and cost saving advantage for audio application. FEATURES • • • • • • • • • • • • • CMOS technology Least external components Treble and bass control Loudness function 4 stereo inputs with selectable input gain Input/output for external noise reduction system/equalizer 2 independent speaker controls for balance control Independent mute function Volume control in 1.25 dB/step Low distortion Low noise and DC stepping Controlled by I2C bus micro-processor interface Available in 28 Pins, DIP or SOP APPLICATIONS • • Car stereo (Audio) Hi-Fi audio system Note: Purchase of I2C Component of Princeton Technology Corporation (PTC) conveys a license under Philips I2C Patent Right to use these components in any I2C System, provided that the system conforms to the I2C Standard Specification defined by Philips 7314 V1.0 -1- January, 2007 Free Datasheet http:/// 4-Channel Input Audio Processor 7314 BLOCK DIAGRAM BOUT_L LOUD_L LOUT BIN_L LIN TREBLE_L RB LIN1 LIN2 LIN3 LIN4 RIN1 RIN2 RIN3 RIN4 LIN1 LIN2 LIN3 LIN4 RIN1 RIN2 RIN3 RIN4 Volume & Loudness Speaker ATT Volume & Loudness Input Selector & Gain Control Speaker ATT Bass Treble OUT_L Mute Serial Bus Decoder & Latches CLK DATA DGND Bass Treble OUT_R Mute RB Supply AGND VDD REF ROUT RIN BOUT_R 7314 V1.0 -2- TREBLE_R LOUD_R BIN_R January, 2007 Free Datasheet http:/// 4-Channel Input Audio Processor 7314 PIN CONFIGURATION VDD AGND TREB_L TREB_R RIN ROUT LOUD_R RIN4 RIN3 RIN2 RIN1 LOUD_L LIN4 LIN3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 7314 28 27 26 25 24 23 22 21 20 19 18 17 16 15 REF CLK DATA DGND OUT_L OUT_R BOUT_R BIN_R BOUT_L BIN_L LOUT LIN LIN1 LIN2 7314 V1.0 -3- January, 2007 Free Datasheet http:/// 4-Channel Input Audio Processor 7314 PIN DESCRIPTION Pin Name VDD AGND TREB_L TREB_R RIN ROUT LOUD_R RIN4 RIN3 RIN2 RIN1 LOUD_L LIN4 LIN3 LIN2 LIN1 LIN LOUT BIN_L BOUT_L BIN_R BOUT_R OUT_R OUT_L DGND DATA CLK REF I/O I I I O I I I I I I I I I I I O I O I O O O I I Description Supply Input Voltage Analog Ground Left Channel Input for Treble Controller Right Channel Input for Treble Control Audio Processor Right Channel Input Gain Output and Input Selector for Right Channel Right Channel Loudness Input Right Channel Input 4 Right Channel Input 3 Right Channel Input 2 Right Channel Input 1 Left Channel Loudness Input Left Channel Input 4 Left Channel Input 3 Left Chann […]

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PT7314 Datasheet


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