TDA7720B datasheet(10/42 Pages) STMICROELECTRONICS

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Electrical specifications

TDA7720B

10/42

DocID024331 Rev 2

Loudness control

AMAX

Max. attenuation (2)

1516.5dB

ASTEP

Step resolution (2)

0.511.5

fPeak

Peak frequency (3)

fP1

-400

fP2

-800

fP3

2400

Volume control

GMAX

Max. gain (2)

212325

AMAX

Max. attenuation (2)

-66

-63

-60

ASTEP

Step resolution (2)

0.511.5

Attenuation set error

G = -20 to +23 dB

-0.75

0.75

G = -20 to -63 dB

-4

Tracking error

VDC

DC steps

Adjacent attenuation steps

-5

0.1

From 0 dB to AMAX

-8

0.5

Soft-mute

AMUTE

Mute attenuation

100

Delay time

0.36

0.48

0.6

0.84

0.96

1.08

7.3

7.6

8.5

15.3

16.8

VTH_Low Low threshold for MUTE pin

(4)

0.8

VTH_High High threshold for MUTE pin

(4)

2.5

RPU

Internal pull-up resistor for

MUTE pin

354863



VPU

Internal pull-up voltage for

MUTE pin

-3

3.3

3.6

Bass control

Center frequency (3)

fC1

-60-Hz

fC2

-80-Hz

fC3

-100

fC4

-200

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

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