UPC1857A 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPC1857A

SOUND CONTROL IC WITH SURROUND AND I2C BUS

NEC => Renesas Technology 

µPC1857A

Pin Number

9

Pin Name

LTC

Table 1-1. Pin Function List (3/7)

Equivalent Circuit

VCC

3k

3k

12 k

VCC

Description

Connection pin for capacitor for

treble boost/cut frequency

characteristic of L-channel signal.

Pin voltage: approx. 6.0 V

10

LBC

9

3300 pF

VCC

3k

3k

13.8 k

VCC

Connection pin for capacitor for

bass boost/cut frequency

characteristic of L-channel signal.

Pin voltage: approx. 6.0 V

10

0.047 µ F

11

OFR1

VCC

5k

VCC

6k

6k

Pin that absorbs offset voltage of R

channel.

Pin voltage: approx. 6.0 V

11

5k

+

5k

12

OFR2

2.2 µF VCC

1/2VCC 3 k

3k

60 k

12

Remark Pin voltage is the reference value when VCC = 12 V.

9

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