TDA7264 datasheet(3/12 Pages) STMICROELECTRONICS

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ELECTRICAL CHARACTERISTICS (Refer to the test circuit, VS + 20V; RL =8

Ω;Rs =50Ω;

f = 1KHz; Tamb =25

°C, unless otherwise specified.)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Supply Range

+22.5

Total Quiescent Current

130

Music Output Power (*)

THD = 10%; RL =8

Ω ;

VS + 22.5V

Output Power

THD = 10%

RL =8

Ω ;

VS + 16V; RL =4

Ω

THD = 1%

RL =8

Ω ;

VS + 16V; RL =4

Ω

THD

Total Harmonic Distortion

RL =8

Ω ;PO = 1W; f = 1KHz

0.02

RL =8

Ω ;

PO = 0.1 to 15W;

f = 100Hz to 15KHz

0.5

RL =4

Ω ;PO = 1W; f = 1KHz

0.03

RL =4

Ω ;VS + 16V;

PO = 0.1 to 12W;

f = 100Hz to 15KHz

Cross Talk

f = 1KHz

f = 10KHz

Slew Rate

µs

Closed Loop Voltage Gain

∆GV

Voltage Gain Matching

0.2

Total Input Noise

A Curve

f = 20Hz to 22KHz

2.5

3.5

µV

Input Resistance

Ω

SVR

Supply Voltage Rejection

(each channel)

fr = 100Hz; Vripple = 0.5VRMS

Thermal Shut-down

Junction Temperature

145

°C

MUTE FUNCTION [ref: +VS]

VTMUTE

Mute / Play Threshold

-7

-6

-5

Mute Attenuation

STAND-BY FUNCTION [ref: +VS]

VTST-BY

Stand-by / Mute Threshold

-3.5

-2.5

-1.5

AST-BY

Stand-by Attenuation

110

Iq ST-BY

Quiescent Current @ Stand-by

Note :

(*) FULL POWER up to.VS =

±22.5V with RL =8Ω and VS = ±16V with RL =4Ω

MUSIC POWER is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of non linearity)

1 sec after the application of a sinusoidal input signal of frequency 1KHz.

TDA7264 - TDA7264A

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