TDA7497SA datasheet(3/10 Pages) STMICROELECTRONICS

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TDA7497SA

Table 4. Electrical Characteristcs (Refer to the test circuit VS = 25V; Rg = 50Ω; f = 1KHz; Tamb = 25°C)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Supply Voltage Range

Total Quiescent Current

100

Quiescent Output Voltage

11.5

12.5

13.5

PO_L/R

Output Power Left /

RightChannels

THD = 10%; RL = 8

Ω;

THD = 1%; RL = 8

Ω;

PO_C

Output Power Center Channel

THD = 10%; RL = 4

Ω

THD = 1%; RL = 4

Ω

THD

Total Harmonic Distortion

PO = 1W; f = 1KHz;

0.4

Ipeak L/R

Output Peak Current

(internally limited)

2.0

Ipeak C

Output Peak Current Central

Channel

(internally limited)

2.5

Closed Loop Gain

28.5

29.5

30.5

∆GV

L/R Voltage GainMatching

-1

0.6

MHz

Total Output Noise

f = 20Hz to 22KHz

150

µV

Slew Rate

µs

Input Resistance

22.5

Ω

SVR

Supply Voltage Rejection

f = 1kHzCSVR = 470mF; VRIP =

1Vrms

Thermal Muting

150

°C

Thermal Shut-down

160

°C

MUTE & INPUT SELECTION FUNCTIONS

VMUTE1

Mute 1 ON threshold (L/R)

3.5

Mute 1 OFF threshold (L/R)

1.5

VMUTE2

Mute 2 ON threshold (center)

3.5

Mute 2 OFF threshold (center)

1.5

AMUTE

Mute Attenuation

ImuteBIAS Mute bias currentMute1/Mute2

Mute

µA

St-By

0.2

µA

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