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TDA7442 Datasheet(PDF) 3 Page - STMicroelectronics |
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TDA7442 Datasheet(HTML) 3 Page - STMicroelectronics |
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3/17 TDA7442 - TDA7442D Table 2. Quick Reference Data Table 3. Thermal Data Table 4. Absolute Maximum Ratings Symbol Parameter Min. Typ. Max. Unit VS Supply Voltage 7 9 10.2 V VCL Max. input signal handling 2 Vrms THD Total Harmonic Distortion V = 1Vrms f = 1KHz 0.01 0.1 % S/N Signal to Noise Ratio Vout = 1Vrms (mode = OFF) 106 dB SC Channel Separation f = 1KHz 90 dB Treble Control (2db step) -14 +14 dB Bass Control (2dB step) -14 +14 dB Balance Control 1dB step (LCH, RCH) -79 0 dB Mute Attenuation 100 dB Symbol Parameter Value Unit Rth j-pins Thermal Resistance Junction-pins Max. 85 °C/W Symbol Parameter Value Unit VS Operating Supply Voltage 11 V Tamb Operating Ambient Temperature -10 to 70 °C Tstg Storage Temperature Range -55 to +150 °C Table 5. Electrical Characteristics Refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ, Vin = 1Vrms; RG = 600Ω, all controls flat (G = 0dB), Effect Ctrl = -6dB, MODE = OFF; f = 1KHz unless otherwise specified. Symbol Parameter Test Condition Min. Typ. Max. Unit SUPPLY VS Supply Voltage 7 9 10.2 V IS Supply Current 10 18 26 mA SVR Ripple Rejection LCH / RCH out, Mode = OFF 60 80 dB INPUT STAGE RIN Input Resistance 35 50 65 K Ω VCL Clipping Level THD = 0.3% 2 2.5 Vrms CRANGE Control Range 31.5 dB AVMIN Min. Attenuation -1 0 1 dB AVMAX Max. Attenuation 31 31.5 32 dB ASTEP Step Resolution 0.5 1 dB BASS CONTROL Gb Control Range Max. Boost/cut ±11.5 ±14.0 ±16.0 dB BSTEP Step Resolution 1 2 3 dB RB Internal Feedback Resistance 32 44 56 K Ω |
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