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TA2131FNG データシート(PDF) 9 Page - Toshiba Semiconductor |
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TA2131FNG データシート(HTML) 9 Page - Toshiba Semiconductor |
9 / 19 page TA2131FNG 2006-04-19 9 3. Beep Beep sound signals from microcomputer can be received by the beep input terminal (19-pin). The PWA and PWB of the power amplifier during power mute are turned OFF, and the beep signal input from BEEP-IN (19-pin) is output from the BEEP-OUT terminal (10/11-pin) as fixed current, after passing through the converter and current amplification stage. Connecting this terminal to the headphone load outputs the beep sound. If the beep sound is not input, fix the BEEP-IN (19-pin) terminal to GND level. VCC PW SW (18-pin) MT SW (17-pin) BEEP IN (15-pin) OFF OFF OFF ON ON OFF 100 ms 100 ms 200 ms 20 15 24 23 IBEEP IBEEP ID −60 10 0 −20 −40 30 100 300 1 k 3 k 10 k 30 k 100 k VCC1 = 2.8 V VCC2 = 1.2 V Rg = 620 Ω RL = 16 Ω Vo = −22dBV WIDE BAND Output C = 220 µF C = 0.47 µF C = 2.2 µF C = 1 µF Vref short f (Hz) Figure 6 Low-Pass Compensation Condenser and Crosstalk CT – f |
同様の部品番号 - TA2131FNG |
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同様の説明 - TA2131FNG |
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