Datenblatt-Suchmaschine für elektronische Bauteile |
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TDA8945S Datenblatt(PDF) 7 Page - NXP Semiconductors |
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TDA8945S Datenblatt(HTML) 7 Page - NXP Semiconductors |
7 / 21 page Philips Semiconductors TDA8945S 15 W mono BTL audio amplifier Product specification Rev. 02 — 7 April 2000 7 of 21 9397 750 06866 © Philips Electronics N.V. 2000. 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 13; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit VCC supply voltage operating 6 18 25 V Iq quiescent supply current RL = ∞ [1] - 1828mA Istb standby supply current VMODE =VCC --10 µA VO DC output voltage [2] -9 -V ∆VOUT[3] differential output voltage offset - - 200 mV VMODE mode selection input voltage operating mode 0 - 0.5 V mute mode 3 - VCC − 1.5 V standby mode VCC − 0.5 - VCC V IMODE mode selection input current 0 < VMODE <VCC --20 µA Fig 3. Quiescent supply current as function of supply voltage. Fig 4. Quiescent supply current as function of mode voltage. handbook, halfpage 30 25 20 15 10 5 0 04 8 12 16 VCC (V) Iq (mA) 20 MGU052 handbook, halfpage 24 20 16 12 8 4 0 04 8 12 16 VMODE (V) Iq (mA) 20 MGU053 VCC = 18 V 12 V |
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