E-TDA7400DTR

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27 P28-P28

Treble Filter (subaddress 2H)

MSB LSB FUNCTION

D7 D6 D5 D4 D3 D2 D1 D0

0

0

:

0

0

1

1

:

1

1

0

0

:

1

1

1

1

:

0

0

0

0

:

1

1

1

1

:

0

0

0

0

:

1

1

1

1

:

0

0

0

1

:

0

1

1

0

:

1

0

Treble Steps

-15dB

-14dB

:

-1dB

0dB

0dB

+1dB

:

+14dB

+15dB

0

0

1

1

0

1

0

1

Treble Center Frequency

10.0KHz

12.5KHz

15.0KHz

17.5KHz

1 must be "1"

Bass Filter (subaddress 3H)

MSB LSB FUNCTION

D7 D6 D5 D4 D3 D2 D1 D0

0

0

:

0

0

1

1

:

1

1

0

0

:

1

1

1

1

:

0

0

0

0

:

1

1

1

1

:

0

0

0

0

:

1

1

1

1

:

0

0

0

1

:

0

1

1

0

:

1

0

Bass Steps

-15dB

-14dB

:

-1dB

0dB

0dB

+1dB

:

+14dB

+15dB

0

0

1

1

0

1

0

1

Bass Q-Factor

1.0

1.25

1.50

2.0

0

1

Bass DC Mode

off

on

TDA7400D

22/28

Obsolete Product(s) - Obsolete Product(s)

Stereodecoder (subaddress 9H)

MSB LSB FUNCTION

D7 D6 D5 D4 D3 D2 D1 D0

0

1

STD Unmuted

STD Muted

0

1

1

0

In Gain 8.5dB

In Gain 6dB

others combinations not used

1 must be "1"

0

1

Forced Mono

Mono/Stereo switch automatically

0

1

Noiseblanker PEAK charge current low

Noiseblanker PEAK charge current high

0

1

Pilot Threshold HIGH

Pilot Threshold LOW

0

1

Deemphasis 50

µ

s

Deemphasis 75

µ

s

Soft Mute and Bass Programming (subaddress 8H)

MSB LSB FUNCTION

D7 D6 D5 D4 D3 D2 D1 D0

0

1

0

0

1

1

0

1

0

1

0

1

Mute

Enable Soft Mute

Disable Soft Mute

Mutetime = 0.48ms

Mutetime = 0.96ms

Mutetime = 40.4ms

Mutetime = 324ms

Stereodecoder Soft Mute Influence = on

Stereodecoder Soft Mute Influence = off

0

0

1

1

1

0

1

0

1

1

Bass Center Frequency

Center Frequency = 60 Hz

Center Frequency = 70 Hz

Center Frequency = 80 Hz

Center Frequency = 100Hz

Center Frequency = 150Hz (1)

0

0

1

1

0

1

0

1

Noise Blanker Time

38

µ

s

25.5

µ

s

32

µ

s

22

µ

s

1 Only for Bass Q- Factor = 2.0

TDA7400D

23/28

Obsolete Product(s) - Obsolete Product(s)

Noiseblanker (subaddress AH)

MSB LSB FUNCTION

D7 D6 D5 D4 D3 D2 D1 D0

0

0

0

0

1

1

1

1

0

0

1

1

0

0

1

1

0

1

0

1

0

1

0

1

Low Threshold 65mV

Low Threshold 60mV

Low Threshold 55mV

Low Threshold 50mV

Low Threshold 45mV

Low Threshold 40mV

Low Threshold 35mV

Low Threshold 30mV

0

0

1

1

0

1

0

1

Noise Controlled Threshold 320mV

Noise Controlled Threshold 260mV

Noise Controlled Threshold 200mV

Noise Controlled Threshold 140mV

0

1

Noise blanker OFF

Noise blanker ON

0

0

1

1

0

1

0

1

Over deviation Adjust 2.8V

Over deviation Adjust 2.0V

Over deviation Adjust 1.2V

Over deviation Detector OFF

High Cut (subaddress BH)

MSB LSB FUNCTION

D7 D6 D5 D4 D3 D2 D1 D0

0

1

High Cut OFF

High Cut ON

0

0

1

1

0

1

0

1

Max. High Cut 2dB

Max. High Cut 5dB

Max. High Cut 7dB

Max. High Cut 10dB

0

0

1

1

0

1

0

1

VHCH at 42% REF 5V

VHCH at 50% REF 5V

VHCH at 58% REF 5V

VHCH at 66% REF 5V

0

0

1

1

0

1

0

1

VHCL at 16.7% VHCH

VHCL at 22.2% VHCH

VHCL at 27.8% VHCH

VHCL at 33.3% VHCH

0

1

Strong Multipath influence on PEAK 18K

OFF

ON (18K Discharge if V

MPOUT

<2.5V)

TDA7400D

24/28

Obsolete Product(s) - Obsolete Product(s)

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27 P28-P28

E-TDA7400DTR

Mfr. #:

Buy E-TDA7400DTR

Manufacturer:

STMicroelectronics

Description:

IC PROCESSOR CAR SIGNAL 28SOIC

Lifecycle:

New from this manufacturer.

Delivery:

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