TDA7541B datasheet(10/77 Pages) STMICROELECTRONICS

Part #	TDA7541B

Description	AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Electrical specifications and characteristics

TDA7541B

10/77

Doc ID 16048 Rev 1

3

Electrical specifications and characteristics

3.1

Thermal data

3.2

Absolute maximum ratings

3.3

Electrical characteristics

3.3.1

Globals

Tamb = 25 °C, VCC1 = VCC2 = VCCMIX1 = VCCVCO = VCCIF = 8.5 V, fXtal = 10.25 MHz,

in application circuit, unless otherwise specified.

Table 3.

Thermal data

Symbol

Parameter

Value

Unit

RTH(j-amb) Thermal resistance junction-to-ambient

Max.

70

°C/W

Table 4.

Absolute maximum ratings

Symbol

Parameter

Conditions

Value

Unit

VS

Supply voltage

-

9.5

V

Tamb

Ambient temperature

-

-40 to 85

°C

Tstg

Storage temperature

-

-55 to +150

°C

VESD

ESD withstand voltage

Human Body Model

2

kV

Machine Model

100

V

Charged Device Model

300

V

Table 5.

Globals

Item

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

1. Supply

1.1

VCC1

Digital supply voltage

-

7.7

8.5

9

V

1.2

VCC2

Analog supply voltage

-

7.7

8.5

9

V

1.3

VCCVCO

VCO supply voltage

-

7.7

8.5

9

V

1.4

VCCMIX1

Mixer1 supply voltage

-

7.7

8.5

9

V

1.5

VCCIF

IF1 Supply Voltage

-

7.7

8.5

9

V

1.6

ICC1

Supply current

FM ON

-

19

23

mA

1.7

ICC1

Supply current

AM ON

-

21

25

mA

1.8

ICC2

Supply current

FM ON

-

48

58

mA

1.9

ICC2

Supply current

AM ON

-

37

44

mA

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