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поискавой системы для электроныых деталей |
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AIVR1004 датащи(PDF) 7 Page - Aplus Intergrated Circuits |
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AIVR1004 датащи(HTML) 7 Page - Aplus Intergrated Circuits |
7 / 8 page ![]() Integrated Circuits Inc. aIVR1004/2104/4208 Oct 12, 2009 7 5V CPU Control with COUT Note: 1. C1 is capacitor from 0.1uF to 2.2uF depends on the kind of Vdd source and sound loudness. E.g. If COUT is used, C1 can be 0.1uF. However, if PWM direct drive speaker is used, C1 should be at least 2.2uF 2. Rb is base resistor from 120 Ohm to 390 Ohm depends on Vdd value and transistor gain. 3. Tr is an NPN transistor with beta larger than 150, e.g. 8050D. 4. Rosc = 610K Ohm with Vdd=3.0V and support sampling rate up to 14KHz 5. For sampling rate higher than 14KHz, smaller value of Rosc should be used. VDD,VDD VS RSTB PB3 OSC 0.1uF C1 ROSC =610K Tr VOUT2 _ 8Ω 1/4W Speaker HT7335 PB0 PB1 PB2 VOUT=+3.5 Addr[0 Addr[1 Addr[2 IO0 VIN=+5V Note : PB0 to PB2 set to internal pull-up Addr[0] to [2] are open drain output Rb 4.7K |
Аналогичный номер детали - AIVR1004_10 |
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Аналогичное описание - AIVR1004_10 |
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