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TDA8946AJ Fiches technique(PDF) 8 Page - NXP Semiconductors |
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TDA8946AJ Fiches technique(HTML) 8 Page - NXP Semiconductors |
8 / 20 page Philips Semiconductors TDA8946AJ 2 x 15 W BTL audio amplifier with DC gain control Product data Rev. 01 — 01 March 2002 8 of 20 9397 750 09434 © Koninklijke Philips Electronics N.V. 2002. All rights reserved. 11. Static characteristics [1] With a load connected at the outputs the quiescent current will increase, the maximum of this increase being equal to the differential output voltage offset (∆V OUT) divided by the load resistance (RL). [2] The DC output voltage with respect to ground is approximately 0.5VCC. [3] ∆V OUT = VOUT+ − VOUT − . Table 7: Static characteristics VCC =18V; Tamb =25 °C; RL =8 Ω; VMODE =0V; Vi = 0 V; measured in test circuit Figure 15; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit VCC supply voltage operating 4.5 18 18 V Iq quiescent supply current RL = ∞ [1] -45 55 mA Istb standby supply current VMODE =VCC --10 µA VO DC output voltage [2] -9 -V ∆VOUT[3] differential output voltage offset - - 170 mV VMODE mode selection input voltage operating mode 0 - 1.0 V mute mode 3.5 - VCC − 1.5 V standby mode VCC − 0.5 - VCC V IMODE mode selection input current 0 < VMODE <VCC --20 µA VGC gain control voltage (pin GC) pin GC not connected - 2.75 - V IGC current into pin GC VGC = 0 V - 600 - µA VCC =18V Fig 4. Quiescent current as function of supply voltage. Fig 5. Quiescent current as function of mode voltage. handbook, halfpage Iq (mA) 012 416 20 VCC (V) 8 0 50 30 40 10 20 MGW611 handbook, halfpage Iq (mA) 012 416 20 VMODE (V) 8 0 50 30 40 10 20 MGW612 |
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