TDA7546 datasheet(18/68 Pages) STMICROELECTRONICS

18 / 68 page

Electrical specification

TDA7546

18/68

3.4

RDS decoder

3.4.1

General interface electrical characteristics

3.4.2

Electrical characteristics

Table 7.

General interface electrical characteristics

Symbol

Parameter

Test Conditions

Values

Unit

Min.

Typ.

Max.

Iil

Low Level Input Current

Vi =0V

μA

Iih

High Level Input Current

Vi =VDD

μA

IozFT

Five Volt tolerant Tri-State

Output Leakage Without Pull

Up/Down Device

Vo =0V or VDD

μA

Vo =5.5V

μA

Table 8.

Electrical characteristics

(Tamb = -40 to +85 °C, VDDA/VDDD = 3.0 to 3.6 V,fosc = 10.25 MHz, unless otherwise specified

VDDD and VDDA must not differ more than 0.15V).

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Supply (pin 44, 50, 52)

VDDD

Digital Supply Voltage

3.0

3.3

3.6

VDDA

Analog Supply Voltage

3.0

3.3

3.6

IDDD

Digital Supply Current

Normal mode

Power down mode

μA

IDDA

Analog Supply Current

Normal mode

Power down mode

Digital Inputs (pin 51, 32, 36, 37, 38, 39)

Vil

Low level input voltage

0.8

Vih

High level input voltage

2.0

Vilhyst

Low level threshold input falling

1.0

1.15

Vihhyst

High level threshold input rising

1.5

1.7

Vhst

Schmitt trigger hysteresis

0.4

0.7

Digital Outputs (pin 37,38,40) are open drains

Vol

Low level output Voltage

Iol =4mA, takes into account 200mV

drop in the supply voltage

0.4

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