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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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UPC1857ACT 데이터시트(PDF) 11 Page - NEC |
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UPC1857ACT 데이터시트(HTML) 11 Page - NEC |
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11 / 44 page  11 µµµµPC1857A VCC VCC 1/2VCC 19 VCC 3 k 5 k 5 k 5 k + 2.2 F 3 k 6 k 60 k 6 k 18 µ Table 1-1. Pin Function List (5/7) Pin Number Pin Name Equivalent Circuit Description 17 VOL-C VCC VCC 50 k 17 + 3.3 F µ Pin for D/A converter capacitor for volume control. Pin voltage: approx. 6.0 V 18 OFL2 Pin that absorbs offset voltage of L channel. Pin voltage: approx. 6.0 V 19 OFL1 20 SCL 5 k Ω 20 Serial clock line (I 2C bus clock Input) pin. Pin voltage: approx. 0.0 V 21 SDA 5 k Ω 21 Serial data line (I 2C bus data I/O) pin Pin voltage: approx. 0.2 V 22 ADS 5 k Ω 22 Slave address select pin. Pin voltage: approx. 0.0 V 23 DGND 15 1 23 GND for I 2C bus signal. Pin voltage: approx. 0.0 V Remark Pin voltage is the reference value when VCC = 12 V. |
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