M61508FP(2008) 데이터 시트보기 (PDF) - Renesas Electronics

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M61508FP
(Rev.:2008)

The Electric Volume of Built-in Non Fader Volume with Tone Control

Renesas Electronics 

M61508FP

The Others

1. Differential Amp.

The lower fig. is Equalizing Circuit, Output Signal/Output Voltage of each point.

8 pin Output Signal

Differential Amp. Output Signal

1.5 Vrms

2 pin Input Signal

1.5 Vrms

2

3

1.5 Vrms

25.5 k

51 k

+

Differential

Amp.

–

51 k

25.5 k

3 pin Input Signal

Differential Amp. Gain Calculation Formula

1.5 Vrms

+

–

–

8

+

9

1.5 Vrms

Input Gain Control = 0 dB

9 pin Output Signal

Vin1

Vin2

R2

R1

+

–

R1

R2

Vout

R2

Vout =

(Vin1 – Vin2)

R1

R2

Gv = 20 log

R1

REJ03F0203-0201 Rev.2.01 Mar 31, 2008

Page 20 of 24

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