TDA7404D

6/26

SOFT STEP

Switch time

0.68

ms

1.26

ms

2.52

ms

5.04

ms

1) Center frequency 2.4KHz makes 1KHz bottom frequency at low & high frequency boost condition.

2) The SM-Pin is active low (Mute = 0)

BASS CONTROL

Control Range

+14

+15

+16

dB

Step Resolution

0.5

1

1.5

dB

Center Frequency

54

60

66

Hz

72

80

88

Hz

90

100

110

Hz

180

200

220

Hz

Quality Factor

0.9

1

1.1

1.1

1.25

1.4

1.3

1.5

1.7

1.8

2

2.2

Bass-DC-Gain

DC = off

-1

0

1

dB

DC = on

4

4.4

6

dB

TREBLE CONTROL

Control Range

+14

+15

+16

dB

Step Resolution

0.5

1

1.5

dB

Center Frequency

8

10

12

kHz

10

12.5

15

kHz

12

15

18

kHz

14

17.5

21

kHz

SPEAKER ATTENUATORS

Control Range

-53

50

-47

dB

Step Resolution

only for attenuation up to 24dB

0.5

1

1.5

dB

Output Mute Attenuation

80

90

dB

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

ELECTRICAL CHARACTERISTICS (continued)