TDA7404 データシートの表示（PDF） - STMicroelectronics

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コンポーネント説明

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TDA7404

Car radio signal processor

STMicroelectronics 

Electrical specifications

TDA7404

Table 5.

Symbol

Electrical characteristics (continued)

(VS =9 V; Tamb=25 °C; RL=10 k; all gains = 0 dB; f = 1 kHz; unless otherwise specified)

Parameter

Test conditions

Min. Typ. Max. Unit

Mixing control

MLEVEL Mixing level

Volume control

GMAX

AMAX

ASTEP

Max. gain

Max. attenuation

Step resolution

EA Attenuation set error

ET Tracking error

VDC DC steps

Loudness control

ASTEP Step resolution

AMAX Max. attenuation

fC Center frequency

Soft-mute

AMUTE Mute attenuation

TD Delay time

VTH low

VTH high

RPU

VPU

Low threshold for SM pin(2)

High threshold for SM pin

Internal pull-up resistor

Pull-up voltage

Main / mix-source

Main / mix-source

Main / mix-source

Main / mix-source

G = -20 to +20 dB

G = -80 to -20 dB

Adjacent steps

From 0 dB to GMIN

T1

T2

T3

T4

0/00

dB

-8.5/- -3.5/- -2.5/-

10.6 9.6

8.6

dB

-5/-5 -6/-6 -7/-7 dB

-11/-

1.5

-12/-

2.5

-13/-

3.5

dB

28

30

32

dB

-83

-79

-75

dB

0.5

1

1.5

dB

-1

0

1

dB

-4

0

3

dB

2

dB

0.1

3

mV

0.5

5

mV

-0.5

1

1.5

dB

13

15

17

dB

360 400 440

Hz

720 800 880

Hz

2.3 2.4(1) 2.5

kHz

80

100

dB

0.48

1

ms

0.96

2

ms

20 30.7 50

ms

70

123 170

ms

1

V

2.50

V

70

100 130

k

5

V

10/35

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