TDA7505 datasheet(15/38 Pages) STMICROELECTRONICS

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TDA7505

Electrical specifications

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Electrical specifications

4.1

Absolute maximum ratings

4.2

Thermal data

Table 3.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

VDD1V8

VDD3V3

AVDD

DACVDD

ADCVDD

Power supplies digital

I/O

Analog

DAC

ADC

-0.5 to +1.95

-0.5 to +3.6

-0.5 to +3.6(1)

The maximum difference in the voltage of AVDD, DACVDD, ADCVDD, analog inputs and analog outputs

must not exceed 0.5V. Warning: Operation at or beyond these limits may result in permanent damage to

the device. Normal operation is not guaranteed at these extremes.

Analog input or output voltage

-0.5 to (AVDD+0.5) (1)

Digital input or output voltage, 5V tolerant

Normal(2)

Fail-safe(3)

During Normal Mode operation VDD3 is always available as specified.

During Fail-save Mode operation VDD3 may be not available.

-0.5 to 6.3

-0.5 to 3.8

Top

Operating temperature range

-40 to 85

°C

Tstg

Storage temperature

-55 to 150

°C

Table 4.

Thermal data

Symbol

Parameter

Value

Unit

Rth j-amb Thermal resistance junction to ambient

(1)

In still air

°C/W

Operating junction temperature

125

°C

Rth j-case Thermal junction to case

(2)

Measured on top side of the package

°C/W

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