TDA7449 datasheet(3/21 Pages) STMICROELECTRONICS

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DocID006317 Rev 5

3/21

TDA7449

Overview

Figure 2. Pin connections

Table 2. Absolute maximum ratings

Symbol

Parameter

Value

Unit

Operating supply voltage

10.5

Tamb

Operating ambient temperature

0 to 70

C

Tstg

Storage temperature range

-55 to 150

C

Table 3. Thermal data

Symbol

Parameter

Value

Unit

Rth j-pin

Thermal resistance junction pins

°C/W

Table 4. Quick reference data

Symbol

Parameter

Min.

Typ.

Max.

Unit

Supply voltage

10.2

VCL

Max input signal handling

VRMS

THD

Total harmonic distortion V = 0.1 Vrms f = 1 kHz

0.01

0.1

S/N

Signal-to-noise ratio Vout = 1 Vrms (mode = OFF)

106

Channel separation f = 1 KHz

Input gain (2 dB step)

Volume control (1 dB step)

-47

Treble control (2 dB step)

-14

Bass control (2 dB step)

-14

Balance control 1 dB step

-79

Mute attenuation

100

CREF

PGND

ROUT

LOUT

R_IN1

R_IN2

L_IN1

L_IN2

BIN(R)

BOUT(R)

BOUT(L)

TREBLE(L)

BIN(L)

TREBLE(R)

DIG_GND

SCL

SDA

D98AU848

MUXOUT(L)

MUXOUT(R)

Obsolete

Product(s)

- Obsolete

Product(s)

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