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TDA7439D Fiches technique(PDF) 3 Page - STMicroelectronics |
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TDA7439D Fiches technique(HTML) 3 Page - STMicroelectronics |
3 / 19 page 3/19 TDA7439 Table 5. Electrical Characteristcs (refer to the test circuit Tamb = 25°C, VS = 9V, RL= 10KΩ, RG = 600Ω, all controls flat (G = 0dB), unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit SUPPLY VS Supply Voltage 6 9 10.2 V IS Supply Current 4 7 10 mA SVR Ripple Rejection 60 90 dB INPUT STAGE RIN Input Resistance 70 100 130 K Ω VCL Clipping Level THD = 0.3% 2 2.5 Vrms SIN Input Separation The selected input is grounded through a 2.2 µ capacitor 80 100 dB Ginmin Minimum Input Gain -1 0 1 dB Ginman Maximum Input Gain 29 30 31 dB Gstep Step Resolution 1.5 2 2.5 dB VOLUME CONTROL Ri Input Resistance 20 33 50 K Ω CRANGE Control Range 45 47 49 dB AVMAX Max. Attenuation 45 47 49 dB ASTEP Step Resolution 0.5 1 1.5 dB EA Attenuation Set Error AV = 0 to -24dB -1.0 0 1.0 dB AV = -24 to -47dB -1.5 0 1.5 dB E Τ Tracking Error AV = 0 to -24dB 01 dB AV = -24 to -47dB 02 dB VDC DC Step adjacent attenuation steps from 0dB to AV max 0 0.5 3mV mV Amute Mute Attenuation 80 100 dB BASS CONTROL (1) Gb Control Range Max. Boost/cut ±12.0 ±14.0 ±16.0 dB BSTEP Step Resolution 1 2 3 dB RB Internal Feedback Resistance 33 44 55 K Ω TREBLE CONTROL (1) Gt Control Range Max. Boost/cut ±13.0 ±14.0 ±15.0 dB TSTEP Step Resolution 1 2 3 dB MIDDLE CONTROL (1) Gm Control Range Max. Boost/cut ±12.0 ±14.0 ±16.0 dB MSTEP Step Resolution 1 2 3 dB RM Internal Feedback Resistance 18.75 25 31.25 K Ω |
Numéro de pièce similaire - TDA7439D |
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Description similaire - TDA7439D |
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