Mute and standby modes

TDA7264

8/14

Doc ID 1477 Rev 6

4

Mute and standby modes

Pin 4 (MUTE/STANDBY) controls the amplifier status by two different thresholds referenced

to +VS as given in Table 5 below. See also Table 4: Electrical specifications on page 3.

Figure 11.

Mute and standby thresholds on pin 4

Table 5.

Mute and standby thresholds on pin 5

Nominal voltage on pin 4,

VPIN4

Mode

Remarks

> +VS - 2.5 V

Standby

Output stages turned off

> +VS - 6.0 V, < +VS - 2.5 V

Mute

Output stages turned on, amplifiers muted

< +VS - 6.0 V

Play

Amplifiers active

t

OFF

STDBY

MUTE

MUTE

MUTE

MUTE

PLAY

STDBY

PLAY

OFF

STDBY

20

+VS

(V)

-20

-VS

VIN

(mV)

Vpin4

(V)

VS

VS-2.5

VS-6

VS-10

Iq

(mA)

0

VOUT

(V)

D94AU084