TDA7419 Просмотр технического описания (PDF) - STMicroelectronics

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TDA7419

3 band car audio processor

STMicroelectronics 

Electrical specifications

TDA7419

Table 6.

Symbol

Electrical characteristics (continued)

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

Parameter

Test condition

Min. Typ. Max. Unit

Middle control

CRANGE Control range

ASTEP Step resolution

fc Center frequency

QBASS Quality factor

Treble control

CRANGE Clipping level

ASTEP Step resolution

fc Center frequency

Speaker attenuators

GMAX

AMAX

ASTEP

AMUTE

EE

VDC

Max gain

Max attenuation

Step resolution

Mute attenuation

Attenuation set error

DC steps

AUdio outputs

VCL

ROUT

RL

CL

VDC

Clipping level

Output impedance

Output load resistance

Output load capacitor

DC voltage level

Subwoofer attenuator

GMAX

AMAX

Max gain

Max attenuation

fC1

fC2

fC3

fC4

Q1

Q2

Q3

Q4

fC1

fC2

fC3

fC4

Adjacent attenuation steps

d = 0.3%

±14 ±15 ±16 dB

0.5

1

1.5

dB

400 500 600 Hz

0.8

1

1.2 kHz

1.2 1.5 1.8 kHz

2

2.5

3

kHz

0.45 0.5 0.55

0.65 0.75 0.85

0.9

1

1.1

1.1 1.25 1.4

±14 ±15 ±16 dB

0.5

1

1.5

dB

8

10

12 kHz

10 12.5 15 kHz

12

15

18 kHz

14 17.5 21 kHz

14

15

16

dB

-83

-79

-75

dB

0.5

1

1.5

dB

80

90

dB

2

dB

-5

0.1

5

mV

1.8

2

VRMS

30

100

W

2

kΩ

10

nF

3.8 4.0 4.2

V

14

15

16

dB

-83

-79

-75

dB

12/40

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