STA538B datasheet(8/59 Pages) STMICROELECTRONICS

8 / 59 page

Connection diagrams and pin descriptions

STA538

8/59

2.1.3

Thermal data

Table 2 gives the thermal resistance specifications for the TFBGA48 and the VFQFPN52.

VHI

Analog input

ADC high reference voltage

VLO

Analog input

ADC low reference voltage

FILT

Analog

input/output

PLL loop filter terminal

VDDPLL

Supply

PLL analog supply

GNDPLL

Ground

PLL analog ground

OUT1A

Analog output

Channel 1 half-bridge A output

OUT1A

Analog output

Channel 1 half-bridge A output

OUT1B

Analog output

Channel 1 half-bridge B output

OUT1B

Analog output

Channel 1 half-bridge B output

OUT2A

Analog output

Channel 2 half-bridge A output

OUT2A

Analog output

Channel 2 half-bridge A output

OUT2B

Analog output

Channel 2 half-bridge B output

OUT2B

Analog output

Channel 2 half-bridge B output

POWERFAULT/

EADP

Digital output

Power fault signal (active high) /

external audio power-down signal

VCC1

Supply

Channel 1 power supply

VCC2

Supply

Channel 2 power supply

GND1

Ground

Channel 1 power ground

GND2

Ground

Channel 2 power ground

VCC33

Supply

Pre-driver supply

GND33

Ground

Pre-driver ground

VDD

Supply

Digital supply

GND

Ground

Digital ground

VDDIO

Supply

I/O ring supply

GNDIO

Ground

I/O ring ground

Table 1.

Package: TFBGA48 (continued)

Pin #

Name

Type

Description

Table 2.

Thermal data

Device

Parameter

Min

Typ

Max

Unit

TFBGA48

Thermal resistance junction to ambient

oC/W

VFQFPN52

Thermal resistance junction to ambient

oC/W

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