TDA7419TR STMicroelectronics, TDA7419TR Datasheet - Page 18

• Manufacturer Part Number: TDA7419TR
• Description: IC PROCESSOR CAR AUD 3BAND 28SOI
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of TDA7419TR

• Applications: Radio
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Description of the audio processor
4.4.3
4.4.4
4.5
18/40
Low and high frequency boost
Figure 6
Figure 6.
Flat mode
In flat mode the loudness stage works as a 0 dB to -15 dB attenuator.
Soft-mute
The digitally controlled soft-mute stage allows muting/demuting the signal with a I
programmable slope. The mute process can either be activated by the soft-mute pin or by
the I
regions (see
For timing purposes the bit 0 of the I
until the end of demuting.
2
C bus. This slope is realized in a special S-shaped curve to mute slow in the critical
- 1 0
- 1 5
- 2 0
- 5
5
0
shows the different loudness shapes in low and high frequency boost.
1 0
Loudness attenuation, f
Figure
7).
1 0 0
2
C bus output register is set to 1 from the start of muting
C
= 2.4 kHz
1 K
1 0 K
2
TDA7419
C bus