TDA7419_09 datasheet(13/40 Pages) STMICROELECTRONICS

13 / 40 page

TDA7419

Electrical specifications

13/40

ASTEP

Step resolution

0.5

1.5

AMUTE

Mute attenuation

Attenuation set error

VDC

DC steps

Adjacent attenuation steps

-5

Subwoofer lowpass

fLP

Lowpass corner frequency

fLP1

fLP2

108

120

132

fLP3

144

160

176

HPF effect

GMAX

Max gain

GMIN

Min gain

ASTEP

Step resolution

1.5

2.5

Spectrum analyzer control

VSAOut

Output voltage range

3.3

fC1

Center frequency band 1

5.5

fC2

Center frequency band 2

141

157

173

fC3

Center frequency band 3

356

392

436

fC4

Center frequency band 4

0.9

1.1

kHz

fC5

Center frequency band 5

2.26

2.51

2.76

kHz

fC6

Center frequency band 6

5.70

6.34

6.98

kHz

fC7

Center frequency band 7

14.4

17.6

kHz

Quality factor

1.62

1.8

1.98

3.15

3.5

3.85

fSAClk

Clock frequency

100

kHz

tSadel

Analog output delay time

μs

trepeat

Spectrum analyzer repeat time

tintres

Internal reset time

4.5

General

eNO

Output noise

BW = 20 Hz to 20 kHz

all gain = 0dB

μV

BW = 20 Hz to 20 kHz output

muted

615

μV

S/N

Signal to noise ratio

all gain = 0 dB flat; Vo = 2 VRMS

100

Distortion

VIN = 1 VRMS; all stages 0 dB

0.01

0.1

Channel separation left/right

Table 6.

Electrical characteristics (continued)

VS = 8.5V; Tamb = 25°C; RL = 10kΩ; all gains = 0 dB; f = 1 kHz; unless otherwise specified

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

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