TDA7546 datasheet(12/68 Pages) STMICROELECTRONICS

12 / 68 page

Electrical specification

TDA7546

12/68

Electrical specification

3.1

Absolute maximum ratings

3.2

Electrical characteristics

Table 3.

Absolute maximum ratings

Symbol

Parameter

Value

Units

VCC

Supply Voltage (Tuner)

10.5

VDD

Supply Voltage (RDS)

Tamb

Ambient Operating Temperature

-40 to 85

°C

Tstg

Storage Temperature

-55 to 150

°C

VESD

ESD Withstand Voltage

Human Body Model

≥ ±2000

Machine Model

≥ ±200

Charged Device Model, all pins

≥ ±250

Charged Device Model, all pins except #3 and

≥ ±500

Charged Device Model, corner pins

≥ ±750

Table 4.

General parameters

Symbol

Parameter

Test condition

Min

Typ

Max

Units

FRF

RF input frequency

108

MHz

Audio Sensitivity

fc = 98.1MHz, ; fdev = 22.5KHz;

fmod = 1KHz; dummy antenna;

SNR = 26dB; CCIR filter; external

pre-emphasis = 50ms

μV

RDS Sensitivity

fc = 98.1MHz, ; fdev = 2KHz; no audio

modulation; dummy antenna; Block

Error Rate = 50%

μV

S/Nmax

Maximum Audio (S+N)/N

fc = 98.1MHz, ; fdev = 22.5KHz;

fmod = 1KHz; dummy antenna; mono

signal; CCIR filter; external pre-

emphasis = 50

μs

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