NJM2704 Просмотр технического описания (PDF) - Japan Radio Corporation

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NJM2704

3D SURROUND AUDIO PROCESSOR FOR HEADPHONE

Japan Radio Corporation  

sTYPICAL CHARACTERISTICS

NJM2704

Maximum Input Voltage vs. Ambient Temperature (BYPASS)

V+=3V Vin=Lch f=1kHz Vout=Lch RL=10kohm

THD=1%

0

Maximum Input Voltage vs. Ambient Temperature (Surround)

V+=3V Vin=Lch f=100Hz Vout=Lch RL=10kohm

VR=MAX THD=1%

-15

-1

-16

-2

-17

-3

-18

-4

-19

-5

-50

-25 0 25 50 75 100 125

Ambient Temperature [degrees]

-20

-50

-25 0 25 50 75 100 125

Ambient Temperature [degrees]

Maximum Input Voltage vs. Ambient Temperature (BYPASS)

V+=1.8V Vin=Lch f=1kHz Vout=Lch RL=10kohm

THD=1%

-5

Maximum Input Voltage vs. Ambient Temperature (Surround)

V+=1.8V Vin=Lch f=100Hz Vout=Lch RL=10kohm

VR=MAX THD=1%

-20

-6

-21

-7

-22

-8

-23

-9

-24

-10

-50

-25 0 25 50 75 100 125

Ambient Temperature [degrees]

Output Noise Voltage vs. Ambient Temperature

V+=3V Rg=0ohm Vout=Lch VR=MAX

FILTER=A-Weighted

-90

-95

-100

-105

Surround

-110

-115

BYPASS

-120

-50

-25 0 25 50 75 100 125

Ambient Temperature [degrees]

-25

-50

-25 0 25 50 75 100 125

Ambient Temperature [degrees]

Output Noise Voltage vs. Ambient Temperature

V+=3V Rg=0ohm Vout=Rch VR=MAX

FILTER=A-Weighted

-90

-95

-100

-105

Surround

-110

-115

BYPASS

-120

-50

-25 0 25 50 75 100 125

Ambient Temperature [degrees]

-9-

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