TDA7572 datasheet(10/64 Pages) STMICROELECTRONICS

10 / 64 page

Pins description

TDA7572

10/64

Table 2.

Pin list by argument

Pin #

Pin name

Description

On/Off Circuitry

VSP_POW2

Positive supply power for low power, non gate-drive functions with a separate

bonding to power the gate drive of modulator two

VP2.5

+2.5V analog supply output

VM2.5

-2.5 V analog supply output

VDIG

5V logic supply decoupling

DGND

Digital gnd

SVR

Vs/2 analog reference filter capacitor. Reference for input stage.

Mode0

Mode control bit0, selects standby/normal/ I2C/diagnostic operation

Mode1

Mode control bit1, selects standby/normal/ I2C/diagnostic operation

MUTE_L

Mute input and / or timing cap, assertion level low

AutoMuteVSetting

Auto-mute Voltage Setting

Input/ Gain Compressor

INP

Non inverting audio input

INM

Inverting audio input

AOUT

Compressed Audio Output

Input Stage gain selection – see PLL pin in DAC Section 8

Compressor attack/decay select – see I2C data pin in DAC Section 8

Inverter

InvIn

Inverter input

InvOut

Inverter Output

Modulator

IlimitThresh

Output stage Current Limiting trip voltage set point

LVLSFT

Gain program pin for SVR to HVCC level shifting

MOD1

Modulator1 Inverting / Summing node

LSD1SS

Lowside1 Source Sensing

LSD1GD

Lowside1 Gate Drive

LSD1GS

Lowside1 Gate sense

HB1OutFilt

Half bridge1 post-LC filter – for diagnostics

HB1Out

Half-bridge1 output, HSD 1 drain sense, LSD1 Drain Sense

HSD1GS

Highside1 Gate sense

HSD1GD

Highside1 Gate Drive

HSD1SS

Highside1 Source sense

VSP_POW1

Positive supply voltage connection for gate drive circuitry

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