STA335BW datasheet(10/54 Pages) STMICROELECTRONICS

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Connection diagram and pin description

STA335BW

10/54

2.3

Thermal data

I/O

GND_REG

Internal Ground reference

I/O

Vdd

Internal 3.3 V reference voltage

CONFIG

Paralleled mode command

OUT3B/DDX3B

PWM Out CH3B – External Bridge

OUT3A/DDX3A

PWM Out CH3A – External Bridge

EAPD/OUT4A

Power Down for External Bridge

TWARN/OUT4B

Thermal warning from External Bridge

I/O

Vdd_DIG

Positive Supply Digital

I/O

GND_DIG

Digital Ground

PWRDN

Power Down

I/O

PLL_Vdd

Positive supply for PLL

PLL_FILTER

Connection to PLL filter

I/O

PLL_GND

Negative supply for PLL

XTI

PLL Input Clock

BICKI

I2S Serial Clock

LRCKI

I2S Left/Right Clock

SDI_12

I2S Serial Data Channels 1 and 2

RESET

Reset

INT_LINE

Fault Interrupt

I/O

SDA

I2C Serial Data

SCL

I2C Serial Clock

I/O

GND_DIG

Digital Ground

I/O

Vdd_DIG

Digital Supply

Table 1.

Pin description (continued)

Type

Name

Description

Table 2.

Thermal data

Parameter

Min.

Typ.

Max.

Unit

Rth j-case

Thermal resistance junction-case (thermal

pad)

1.5

°C/W

Tth-sdj

Thermal shut-down junction temperature

150

°C

Tth-w

Thermal warning temperature

130

°C

Tth-sdh

Thermal shut-down hysteresis

°C

Rth j-amb

Thermal resistance junction-ambient (1)

See Section 6: Package thermal characteristics on page 51 for details.

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