TDA7572 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7572

200W mono bridge PWM amplifier with built-in step-up converter

STMicroelectronics 

Electrical specifications

TDA7572

Table 8.

Symbol

Input stage

Parameters

Test conditions

Min.

INLEVEL1=0, INLEVEL0=0

0.5-0.25

Mute

Attenuation step size

INLEVEL1=0, INLEVEL0=1

INLEVEL1=1, INLEVEL0=0

Gain Change ZC

comparator offset

(in the diff. – S.E. block)

offset

Gain Change ZC

comparator offset

(in the diff. – S.E. block)

offset

INLEVEL1=1, INLEVEL0=1

Observed at AOUT pin

ZC crossing must be detected

within 50mV of the actual zero

crossing,

Observed at InvOut pin

ZC crossing must be detected

0.44-

0.25

0.55-

0.25

0.48-

0.25

-80

-220

Mute attenuation

Charge current

Discharge current

Mute threshold

Unmute threshold

Mute to unmute transition

voltage

Mute pin voltage = Dgnd

Vin=1Vrms

Mute Pin Voltage(57) = 1.5V

Mute Pin Voltage(57) = 1.5V

Maximum voltage where we must

be in complete mute

90

-30%

-30%

2.5

0.2

IC in mute mode, FastMute=1

Vol

Iout=0

Voh

Fast mute Resistance

IC in unmute, Iout=0

FASTMUTE=1

Vmutepin=1.5Volts

VDIGITAL-

0.1

420

Typ.

0.5

0.44

0.55

0.48

100

100

0.3

550

Max. Units

0.5+

0.25

0.44+

0.25

dB

0.55+

0.25

0.48+

0.25

80

mV

+220 mV

dB

+30% µA

+30% µA

1.5

V

V

0.42

V

Digital

GND + V

0.1

V

680 Ohm

20/64

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