TDA7407TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7407TR

Advanced car signal processor

STMicroelectronics 

Multipath detector

5

Multipath detector

TDA7407

● Internal 19kHz band pass filter

● Programmable band pass and rectifier gain

● two pin solution fully independent usable for external programming

● selectable internal influence on Stereoblend

Table 8.

Symbol

Multipath electrical characteristics

Parameter

Test condition

Min. Typ. Max. Unit

fCMP

Center frequency of

multipath-bandpass

stereo decoder locked on pilot tone

19

KHz

bits D2, D1 configuration byte = 00

6

dB

GBPMP Bandpass gain

bits D2, D1 configuration byte = 10

12

dB

bits D2, D1 configuration byte = 01

16

dB

bits D2, D1 configuration byte = 11

18

dB

bits D7, D6 configuration byte = 00

7.6

dB

GRECTMP Rectifier gain

bits D7, D6 configuration byte = 01

4.6

dB

bits D7, D6 configuration byte = 10

0

dB

bits D7, D6 configuration byte = 11

off

dB

ICHMP Rectifier charge current

bit D5 configuration byte = 0

bit D5 configuration byte = 1

0.5

μA

1.0

μA

IDISMP Rectifier discharge current

0.5 1 1.5 mA

Table 9.

Symbol

Quality detector

Parameter

Test Condition

Min. Typ. Max. Unit

A Multipath Influence factor Addr. 12 / Bit 5+6

B Noise influence factor

Addr. 16 / Bit 1+2

00

0.7

dB

01

0.85

dB

10

1.00

dB

11

1.15

dB

00

15

dB

01

12

dB

10

9

dB

11

6

dB

20/46

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