TDA7439 datasheet(4/23 Pages) STMICROELECTRONICS

4 / 23 page

Electrical specifications

TDA7439

4/23

Electrical specifications

Table 5. shows the electrical characteristics. Refer to the test circuit in Figure 3, Tamb =

25° C, VS = 9 V, RL= 10 kΩ, generator resistance Rg = 600 Ω, all controls flat (G = 0 dB),

unless otherwise specified.

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

RMS

THD

Total harmonic distortion V = 1 V RMS, f = 1 kHz

0.01

0.1

S/N

Signal to noise ratio Vout = 1 V RMS (mode = OFF)

106

Channel separation f = 1 kHz

Input gain (in 2-dB steps)

Volume control (in 1-dB steps)

-47

Treble control (in 2-dB steps)

-14

+14

Middle control (in 2-dB steps)

-14

+14

Bass control (in 2-dB steps)

-14

+14

Balance control (in 1-dB steps)

-79

Mute attenuation

100

Table 5.

Electrical characteristics

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

Supply

Supply voltage

10.2

Supply current

SVR

Ripple rejection

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