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BH76912GU Datasheet(PDF) 3 Page - Rohm |
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BH76912GU Datasheet(HTML) 3 Page - Rohm |
3 / 17 page Technical Note 3/16 BH76906GU, BH76909GU, BH76912GU, BH76916GU, BH76706GU www.rohm.com 2009.03 - Rev.A © 2009 ROHM Co., Ltd. All rights reserved. ● Test Circuit Diagram ● Block Diagram ● Operation Logic BH769xxGU STBY Pin Logic Operating Mode H Active L Standby OPEN BH76706GU STBY Pin Logic Operating Mode SW1 SW2 H Standby OFF OFF M Input (Record) ON OFF L Active (Playback) OFF ON ※ Use of the BH76706GU with the STBY pin OPEN is inappropriate ※ A test circuit is a circuit for shipment inspection and differs from an application circuit example. Fig. 1 V A A3 B3 C3 A1 B1 C1 CHARGE PUMP OUT NVCC IN 150k A2 C2 VCC VIN STBY VOUT C_PLUS C_MINUS NVCC GND 75Ω 10u 0.01u (VCC) 0.1u 50Ω 75Ω 1.0uF 1.0uF V LPF A V V A A3 B3 C3 A1 B1 C1 CHARGE PUMP OUT NVCC IN 150k A2 C2 VCC VIN STBY VOUT C_PLUS C_MINUS NVCC GND 75Ω 10u 0.01u (VCC) 75Ω 1.0uF 1.0uF V LPF 0.1u A 50Ω V 100Ω A V A A 6dB 6/9/12/16.5dB A3 B3 C3 A1 B1 C1 CHARGE PUMP OUT NVCC IN 150k A2 C2 VCC VIN STBY VOUT C_PLUS C_MINUS NVCC GND LPF 6/9/12/16.5dB A3 B3 C3 A1 B1 C1 CHARGE PUMP OUT NVCC IN 150k A2 C2 VCC VIN STBY VOUT C_PLUS C_MINUS NVCC GND LPF 6dB (a) BH76906/09/12/16GU (b) BH76706GU Fig. 2 (a) BH76906/09/12/16GU (b) BH76706GU SW1 SW2 SW1 SW2 V |
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