NJW1145 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJW1145

AUDIO PROCESSOR

Japan Radio Corporation  

NJW1145

sTYPICAL CHARACTERISTICS

Gain vs Frequency (TONE)

V+=9V, Vin(Ach)=0.1Vrms,Gv:3dB steps

Vo(Ach), Rg=600Ω, Ta=25oC

20

10

0

-10

-20

100

1000

104

Frequency [Hz]

AG C Attack Time (C:20pin =0.33µ F)

V+=9V , V in(Ach+Bch)=1Vrms,f=20kH z,Vo (Ach)OUTPUT

AGC level= 0.3V,Rg=600Ω ,Ta=25oC

2

AGC Control

V+=9V, Vin(Ach+Bch), f=1kHz, Vo(Ach)OUTPUT

Rg=600Ω , Ta=25oC

1

600m V

500m V

0.1

4 00 m V

0.01

OFF

300mV

0.001

0.001

0.01

0.1

1

Input Voltage [Vrms]

AGC Recovery T ime (C:20pin =0.33µ F)

V+=9V, Vin(Ac h+B ch)=1 Vrm s, f=10kHz,Vo (Ach)OUTPUT

AGC level= 0.3V,Rg=600Ω ,Ta=25oC

0.2

1

0.1

0

0

-1

-0.1

-2

0

2

4

6

8

10

Time [ms]

Gain vs Frequency (eala&Simulated)

V+=9V, Vin=0.1Vrms,O UTPU T, R g=600Ω ,

T a = 25o C

20

e al a

AIN -AOUT

10

0 Simulated

(A+B)IN -AOU T

-10

eala

AIN -BOUT

-20

- 22 -

100

1000

1 04

Frequency [Hz]

-0.2

0

100 200 300 400 500

Time [ms]

Phase vs Frequency (Simulated)

V+=9V, Vin(A+Bch)=0.1Vrms, Rg=600Ω,

Ta=25oC

200

150

BchOUT

100

50

AchOUT

0

-50

-100

100

1000

104

Frequency [Hz]

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