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

部品番号

コンポーネント説明

メーカー

TDA7404

Car radio signal processor

STMicroelectronics 

TDA7404

Electrical specifications

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

Soft-step

TSW Switch time

Bass control

CRANGE Control range

ASTEP Step resolution

fC Center frequency

QBASS Quality factor

DCGAIN Bass DC gain

Treble control

CRANGE Control range

ASTEP Step resolution

fC Center frequency

Speaker attenuator

CRANGE

ASTEP

AMUTE

EE

VDC

TZC

Vth

Control range

Step resolution

Output mute attenuation

Attenuation set error

DC steps

Zero cross timer

Zero cross threshold

TSW1

TSW2

TSW3

TSW4

fC1

fC2

fC3

fC4

Q1

Q2

Q3

Q4

DC = off

DC = on

0.68

ms

1.26

ms

2.52

ms

5.04

ms

+14 +15 +16

dB

0.5

1

1.5

dB

54

60

66

Hz

72

80

88

Hz

90

100 110

Hz

180 200 220

Hz

0.9

1

1.1

1.1 1.25 1.4

1.3

1.5

1.7

1.8

2

2.2

-1

0

1

dB

4

4.4

6

dB

+14 +15 +16

dB

0.5

1

1.5

dB

fC1

8

10

12

kHz

fC2

10

12.5

15

kHz

fC3

12

15

18

kHz

fC4

14

17.5

21

kHz

-53

50

-47

dB

Only for attenuation up to 24 dB 0.5

1

1.5

dB

80

90

dB

-2

2

dB

Adjacent attenuation steps

0.10

5

mV

Data bit D1=1, D2=1

29

37

45

ms

+20

mV

11/35

Share Link: