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TA2170FTG Fiches technique(PDF) 4 Page - Toshiba Semiconductor |
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TA2170FTG Fiches technique(HTML) 4 Page - Toshiba Semiconductor |
4 / 12 page TA2170FTG 2006-04-19 4 Pin No. and Name Function Internal Circuit Pin Voltage (V) 13 MUTE1 Mute switch of buffer amplifier 1 Mute ON : L level Mute OFF: H level Refer to application note 4. ⎯ 14 MUTE1A Mute switch of buffer amplifier 1A Mute ON : L level Mute OFF: H level this switch is used when it turn on A channel mutes of a buffer amplifier 1. Refer to application note 4. ⎯ 15 MUTE2 Mute switch of buffer amplifier 2 Mute ON : L level Mute OFF: H level Refer to application note 4. ⎯ 16 MUTE3 Mute switch of buffer amplifier 3 Mute ON : L level Mute OFF: H level Refer to application note 4. ⎯ 17 ALL MUTE All mute switch Mute ON : L level Mute OFF: H level Refer to application note 4. ⎯ 18 PW SW Power switch IC ON : H level IC OFF: L level Refer to application note 4. 3 19 RF IN Ripple filter input 2.7 21 VCC1 VCC for everything other than power drive stage 3 22 BIAS OUT Bias circuit output 1.15 23 BIAS IN Bias circuit input 1.15 24 OUT ADJ DC output voltage adjustment Either connect this pin or leave it open depending on the level of VCC2. If the power supply of a 1.5 V system is applied to VCC2, connect this pin to BIAS IN (pin14) If the power supply of a 3 V system is applied to VCC2, leave this pin open. 1.85 20 GND ⎯ ⎯ 0 VCC 10 k Ω 17 20 k Ω VCC1 100 k Ω 18 VCC2 VCC1 22 21 24 19 23 10 k Ω 13 |
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