TDA7719 datasheet(16/45 Pages) STMICROELECTRONICS

16 / 45 page

Description

TDA7719

16/45

Since the input stage of this device has different configurations, the corresponding sources

for mixing selector are also different according to the configurations. The following table

defines the available sources for mixing under different configurations.

Note:

Only green cells are allowed mixing input. The red cells are not allowed.

The beep input is available only when DC offset detector function is not used.

4.3

Loudness

There are four parameters programmable in the loudness stage:

4.3.1

Loudness attenuation

Figure 5 shows the attenuation as a function of frequency at fP = 400Hz

Figure 5.

Loudness attenuation @ fP = 400Hz.

Table 8.

Available sources for mixing

Mix selector bits

(Byte2 Bit2~Bit0)

000

001

010

011

100

101

110

111

MixIN0

MixIN1

MixIN2

MixIN3

MixIN4

MixIN5

MixIN6

MixIN7

CFG0

Beep

Mute

CFG1

SE1

SE2

SE3

Beep

Mute

CFG2

SE1

SE2

SE3

SE4

SE5

Beep

Mute

CFG3

SE1

SE2

SE3

MD1

MD2

Beep

Mute

CFG4

Beep

Mute

CFG5

SE4

SE5

Beep

Mute

CFG6

MD3

SE2

SE3

Beep

Mute

CFG7

SE1

SE2

SE3

Beep

Mute

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