TDA7461ND View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7461ND

Car radio signal processor

STMicroelectronics 

Data byte specification

TDA7461

Table 18. Bass and treble filter characteristics

MSB

LSB

D7 D6 D5 D4 D3 D2 D1 D0

Function

Treble

0

0 Center Frequency = 10 kHz

0

1 Center Frequency = 12.5 kHz

1

0 Center Frequency = 15 kHz

1

1 Center Frequency = 17.5 kHz

0

0

0

1

1

0

1

1

1

1

1

1

0

0

0

1

1

0

1

1

0

1

0

1

Bass

Center Frequency = 60 Hz

Center Frequency = 70 Hz

Center Frequency = 80 Hz

Center Frequency = 100 Hz

Center Frequency = 150 Hz

Quality factor = 1

Quality factor = 1.25

Quality factor = 1.5

Quality factor = 2

DC-Gain = 0 dB

DC-Gain = ±4.4 dB

AC Coupling(1)

For External Connection

Internally Connection

1. For deeper information see application examples Figure 27 and 28.

For example Treble center frequency = 15kHz, Bass center frequency = 100Hz, Bass Q = 1 and DC = 0dB give

the following DATA BYTE: 1 0 0 0 1 1 1 0

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