TDA7409 Просмотр технического описания (PDF) - STMicroelectronics

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TDA7409

CARRADIO-SIGNAL-PROCESSOR

STMicroelectronics 

TDA7409

ELECTRICAL CHARACTERISTICS (continued)

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

EE Attenuation Set Error

2

dB

VDC DC Steps

Adjacent Attenuation Steps

0.10

5

mV

GENERAL

eNO Output Noise

BW = 20Hz - 20kHz

all gains = 0dB single ended

inputs

10

15

µV

S/N Signal to Noise Ratio

all gains = 0dB

flat; VO = 2VRMS

106

dB

bass, treble at +12dB;

a-weighted; VO = 2.6VRMS

100

dB

d

Distortion

VIN = 1VRMS ; all stages 0dB

internal pass only

0.005 0.1

%

VOUT = 1VRMS ; Bass & Treble =

12dB

0.05 0.1

%

SC Channel Separation left/right

80

100

dB

ET Total Tracking Error

AV = 0 to -20dB

-1

0

1

dB

AV = -20 to -60dB

-2

0

2

dB

1.0 DESCRIPTION OF FUNCTIONALITY

1.1 Input stages

The input stages have remained the same as in preceding ST-Audioprocessors.

Figure 1. Input-stages

SE1

100K

SE2

100K

SE3

100K

SE4

100K

INGAIN

D00AU1180

7/25

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