UPC1857A Просмотр технического описания (PDF) - NEC => Renesas Technology

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Компоненты Описание

производитель

UPC1857A

SOUND CONTROL IC WITH SURROUND AND I2C BUS

NEC => Renesas Technology 

Pin Number

5

Pin Name

FC4

6

LF2

7

RTC

8

RBC

µPC1857A

Table 1-1. Pin Function List (2/7)

Equivalent Circuit

VCC

3k

3k

36 k 36 k

18 k

VCC

5

0.022 µF

VCC

5k

5k

17.7 k

17.7 k

VCC

6

1000 pF

VCC

3k

3k

12 k

VCC

7

3300 pF

VCC

3k

3k

13.8 k

VCC

8

0.047 µF

Description

Connection pin for capacitor which

determines time constant of phase

shifter.

Pin voltage: approx. 6.0 V

Low-pass filter.

Pin voltage: approx. 6.0 V

Connection pin for capacitor for

treble boost/cut frequency

characteristic of R-channel signal.

Pin voltage: approx. 6.0 V

Connection pin for capacitor for

bass boost/cut frequency

characteristic of R-channel signal.

Pin voltage: approx. 6.0 V

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

8

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