TDA7335 datasheet(2/20 Pages) STMICROELECTRONICS

2 / 20 page

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Supply Voltage

Ptot

Total Power Dissipation

Top

Operating Temperature Range

-40 to 85

°C

Tstg

Storage Temperature Range

-40 to 150

°C

THERMAL DATA

Rth j-pins

Thermal resistance junction-pins

°C/W

PIN FUNCTIONS

Name

VDC (V)

Function

GND

Ground

2,3

IN L1,IN L2

Preamplifier Left Inputs 1,2

4,27

EQLI, EQRI

4.6

Equalizer Inputs

5, 26

EQLO, EQRO

4.6

Equalizer Outputs

6, 25

OUTL, OUTR

4.6

Preamplifier Outputs

7, 24

DINL, DINR

Vref

Dolby NR Inputs

AMS SW

5.6

Audio Music Sensor Switch (ON/OFF) HIGH = ON

INTP

Interprogram Time Constant (”Signal Detection”)

INTS

Interspace Time Constant (”Blank Detection”)

MUTE

Mute Switch ON = LOW (2)

12, 19

TLC, TCR

0.4

Dolby Time Constants

13, 18

DOUTL, DOUTR

Vref

Dolby Outputs

Iref

1.2

Reference Current Source

F/R SW

5.6

Forward/Reverse Switch HIGH = Forward LOW = Reverse

Positive Power Supply

Vref

VS/2

Reference Voltage

NR SW

Noise reduction ON/OFF: HIGH = OFF (2)

AMS GIN

1.4

Audio Music Sensor Input Pin

AMS OUT

Audio Music Sensor Output Pin (open collector configuration, see Fig. 2)

GND DIG.

Digital Ground

28, 29

IN R1,IN R2

Preamplifier Right Inputs 1,2

EQ SW

Equalizer Switch (Low = normal position High = metal position)

(2) Internal pull-up resistor (digital high level if pin left open)

TDA7335

2/20

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