TDA7409D

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P25

TDA7409

22/25

2.5.11 SoftMute and Mixing

2.5.12 Others

MSB LSB

FUNCTION

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

0

1

Mute

enable SoftMute

disable SoftMute

0

0

1

1

0

1

0

1

Mute/Zero Cross-Times

0.48ms

0.96ms

30.7ms / 9ms

122.8ms / 37ms

0

Must BE “0”

0

0

1

1

0

1

0

1

Mixing-Level (Main / Mix-Source)

-12 / -2.5dB

-6 / -6dB

-3.5 / -9.6dB

0 /∞

0

0

1

1

0

1

0

1

Beep Frequency

781Hz

1.56KHz

Not allow

1.8KHz

MSB LSB

FUNCTION

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

X 0

AC-Coupling

Internal pass

1

1 Must be "1"

Must be "1"

0

0

1

1

0

1

0

1

Soft Step Time

0.68ms

1.26ms

2.52ms

5.04ms

1 Must be "1" for Auto zero

0

1

Internal Beep

Off

ON

Obsolete Product(s) - Obsolete Product(s)

23/25

TDA7409

2.5.13 Testing

Figure 14. TDA7409 Application Circuit

MSB LSB Testing

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

X

X

X

X

X

X

0

1

Main-Testmode

off

on

X

X

X

X

X

X

0

1

Test-Multiplexer

internal 200kHz Clock

internal Bandgap Voltage

X

X

X

X

X

X

0

1

Clock

external

internal

1 1 must be "1"

SE1L

MUTE

100nF

4.7µF

100nF

100nF

100nF

100nF

100nF

100nF

100nF

TAPEL

OUTLF

MUTE

SE1R

TAPER

SE2L

FM_L

SE2R

FM_R

SE3L

AM_L

SE3R

AM_R

SE4L

CD_L

SE4R

CREF

CD_R

4.7µF

OUTLR

4.7µF

OUTRR

4.7µF

OUTRF

4.7µF

SWL

4.7µF

100nF

10µF

10µF

9V

+

SWR

SCL

SDA

OUTLF

OUTLR

OUTRR

OUTRF

SWL

SWR

SCL

SDA

D00AU1182

Obsolete Product(s) - Obsolete Product(s)

TDA7409

24/25

110

1120

A

e

B

D

E

L

K

H

A1

C

SO20MEC

h x 45˚

SO20

DIM.

mm inch

MIN. TYP. MAX. MIN. TYP. MAX.

A 2.35 2.65 0.093 0.104

A1 0.1 0.3 0.004 0.012

B 0.33 0.51 0.013 0.020

C 0.23 0.32 0.009 0.013

D 12.6 13 0.496 0.512

E 7.4 7.6 0.291 0.299

e 1.27 0.050

H 10 10.65 0.394 0.419

h 0.25 0.75 0.010 0.030

L 0.4 1.27 0.016 0.050

K 0˚ (min.)8˚ (max.)

OUTLINE AND

MECHANICAL DATA

Obsolete Product(s) - Obsolete Product(s)

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P25

TDA7409D

Mfr. #:

Manufacturer:

STMicroelectronics

Description:

Audio DSPs INFOTAINMENT SIGNAL

Lifecycle:

New from this manufacturer.

Delivery:

DHL FedEx Ups TNT EMS

Payment:

T/T Paypal Visa MoneyGram Western Union

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