Details, datasheet, quote on part number: TDA7463D
PartTDA7463D
CategoryMultimedia => Audio
DescriptionLow Voltage Tone Control Digitally Controlled Audio Processor
CompanyST Microelectronics, Inc.
DatasheetDownload TDA7463D datasheet
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Features, Applications

LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR

1 STEREO INPUT 1 STEREO OUTPUT TREBLE BOOST BASS CONTROL BASS AUTOMATIC LEVEL CONTROL VOLUME CONTROL IN 1dB STEPS MUTE STAND-BY FUNCTION SOFTWARE CONTROLLED ALL FUNCTION ARE PROGRAMMABLE VIA SERIAL BUS DESCRIPTION The is a volume tone (bass and treble) processor for quality audio applications in Low voltage supply portable systems. Bass ALC (Automatic Level Control) function can be adjusted by a dedicated pin. The control of all the functions is accomplished by serial bus. BLOCK DIAGRAM

The AC signal setting is obtained by resistor networks and switches combined with operational amplifiers. Thanks to the used BIPOLAR/CMOS Technology, Low Distortion, Low Noise and DC stepping are obtained.

VS BASS_ALC CONTROL C2 0.47F ALC R1 1M SCL HALF_WAVE RECTIFIER + I2C BUS DECODER + LATCHES SDA R3 1K

Symbol VS Tamb Tstg Operating Supply Voltage Operating Ambient Temperature Storage Temperature Range Parameter Value to 150 Unit V C

ALC IN-R TREBLE-R BASSI-R BASSO-R OUT-R CREF GND
Symbol Rth j-pin Parameter Thermal Resistance Junction-pins Value 85 Unit C/W

Symbol VS VCL THD S/N SC Supply Voltage Max. input signal handling Total Harmonic Distortion = 1KHz Signal to Noise Ratio V out = 0.1Vrms (mode = OFF) Channel Separation = 1KHz Volume Control -10dB damping 14dB Treble Control Bass Control Mute Attenuation (1dB step) Parameter Min. 0.2 0.1 Typ. 2.4 Max. 3 Unit V Vrms % dB

ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb VS =2.4V, RL= = 600, all controls flat, unless otherwise specified)

Symbol Parameter Test Condition Min. Typ. Max. Unit
VS IS IST-BY SVR Supply Voltage Supply Current Stand-By Current Ripple Rejection dB K Vrms

CRANGE AV MIN AVMAX ASTEP Amute A-10dB G14dB Control Range Min Attenuation Max. Attenuation Step Resolution Mute Attenuation -10dB damping 14dB gain dB

Gb RB Control Range Internal Feedback Resistance Max. Boost/on K dB
VCLIP RL VDC Clipping Level Output Load Resistance DC Voltage Level d VRMS dB %
ENO Output Noise Outout Muted All gains to 20KHz flat All gains = 0.1VRMS
Total Tracking Error Signal to Noise Ratio Channel Separation Left/Right Distortion

VIL VIH IIN VO Input Low Voltage Input High Voltage Input Current Output Voltage SDA Acknowledge 0.5 VIN A V

NOTE1: 1) BASS and TREBLE response: The center frequency and the response quality can be chosen by the external circuitry.


 

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