UPC1857A View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPC1857A

SOUND CONTROL IC WITH SURROUND AND I2C BUS

NEC => Renesas Technology 

Pin Number

24

Pin Name

1

2

VCC

µPC1857A

Table 1-1. Pin Function List (6/7)

Equivalent Circuit

VCC

VCC

5k

VCC

22 µF 24

+

20 k

90 k

20 k

Description

Filter pin for middle point of supply

voltage.

Pin voltage: approx. 6.0 V

25

MIX

26

Lin

27

Rin

1/2VCC

VCC

3k

3k

60 k

5k

25

+

2.2 µF

MIX

1/2VCC

VCC

3k

3k

60 k

5k

26

+

2.2 µF

Lin

1/2VCC

VCC

3k

3k

60 k

5k

27

+

2.2 µF

Rin

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

Mixing signal input pin.

Input impedance: 60 kΩ

Pin voltage: approx. 6.0 V

L-channel signal input pin.

Input impedance: 60 kΩ

Pin voltage: approx. 6.0 V

R-channel signal input pin.

Input impedance: 60 kΩ

Pin voltage: approx. 6.0 V

12

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