TDA7513 datasheet(8/58 Pages) STMICROELECTRONICS

8 / 58 page

TDA7513

8/58

AM (VCC = 8V; Tamb =25°C; Vsg = 74dB

µV,emf; fc = 999kHz; 30% modulation; fmod = 400Hz unless oth-

erwise specified).

General (with 20pF/65pF dummy antenna; input levels @ SG,emf; output @ audioprocessor output;

audioprocessor all flat; stereo decoder input gain = 5.75dB)

Mixer1 (Input at AMMIX1IN+, no mod)

Symbol

Parameter

Test Condition

Min

Typ

Max

Unit

Useable sensitivity

SNR = 20dB

µV

SNR

Signal to Noise ratio

Maximum Sensitivity

∆Vout = -10dB

µV

THD

Total Harmonic Distortion

mod =30%, Vsg = 74dB

µV

0.59

mod =80%, Vsg = 74dB

µV

1.48

mod =30%, Vsg = 120dB

µV

1.88

mod =80%, Vsg = 120dB

µV3

THDLF

THD @ low frequency

mod =30%, Vsg = 74dB

µV,

fmod=100Hz

Vout

Audio output level

rms

266

ISN

Interstation noise level

∆Vout @ RF OFF

-35

-31

IFCS

IF Counter sensitivity

µV

Icc

DC current

OSCVcc

5.6

PLLVcc

1.9

DIGVcc

12.1

TUNVcc

IF1Vcc

7.8

APVcc

Symbol

Parameter

Test Condition

Min

Typ

Max

Unit

conversion gain

from AMMIX1IN+to IFT1

secondary loaded with 330

Ω

IIP3

Input 3rd order intercept point

referred to AMMIX1IN+

130

µV

Rin

input resistance (differential)

AMMIX1IN+ w.r.t. AMMIX1IN-

1.2

Ω

CIFT1

IFT1

min

Between MIXOUT+ and

MIXOUT-

0pF

adjustment

max

8.25

capacitor

step

0.55

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