TDA7720B datasheet(11/42 Pages) STMICROELECTRONICS

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TDA7720B

Electrical specifications

QBASS

Quality factor (3)

-1-

-1.25-

-1.5

-2-

CRANGE Control range

(2)

141516

ASTEP

Step resolution (2)

0.511.5

DCGAIN Bass-DC-gain

DC = off

-1

DC = on, Gain = ±14 dB

4.4

4.6

Middle control

CRANGE Control range

(2)

141516

ASTEP

Step resolution (2)

0.511.5

Center frequency (3)

fC1

-500

fC2

-1-

kHz

fC3

-1.5

kHz

fC4

-2.5

kHz

QMiddle Quality factor

(3)

-0.75-

-1-

-1.25-

Treble control

CRANGE Clipping level

ASTEP

Step resolution

0.5

1.5

Center frequency (3)

fC1

-10-

kHz

fC2

-12.5-

kHz

fC3

-15-

kHz

fC4

-17.5-

kHz

Speaker attenuators

GMAX

Max. gain (2)

141516

AMAX

Max. attenuation (2)

-90

-79

-70

ASTEP

Step resolution (2)

0.511.5

AMUTE

Mute attenuation

Attenuation set error

G = -20 to +15 dB

-0.75

0.75

G = -20 to -79 dB

-10

VDC

DC steps

Adjacent attenuation steps

-5

0.1

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

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