TDA7705 datasheet(24/42 Pages) STMICROELECTRONICS

24 / 42 page

Electrical specifications

TDA7705

24/42

Doc ID 15938 Rev 9

Distortion

Deviation= 75 kHz

0.05

Max deviation

THD=3%

140

kHz

Adjacent channel selectivity

F=100kHz, SINAD=30dB

desired 40 dBµV, dev=40kHz,

400Hz

undesired. dev=40kHz, 1KHz

-25

Alternate channel selectivity

F=200 kHz, SINAD=30 dB

desired 40 dB µV,

dev=40kHz, 400 Hz

undesired. dev=40kHz, 1kHz

-63

Max. strong signal interferer

Desired = 10 dBµV

SINAD = 30 dB

Undesired

F = 5 MHz

dev = 40 kHz, 1 kHz

dBµV

Max. strong signal interferer

no preselection (“wide-band”)

application

Desired = 10 dBµV

SINAD = 30 dB

Undesired

F = 5 MHz

dev = 40 kHz, 1 kHz

dBµV

3 signal performance(1)

Desired = 40 dBµV,

dev = 40 kHz, 400 Hz,

SINAD = 30 dB

Undesired1 = ±400 kHz,

dev = 40 kHz, 1 kHz

Undesired2 = ±800 kHz, no

mod

103

dBµV

Desired = 40 dBµV,

dev = 40 kHz, 400 Hz,

SINAD = 30 dB

Undesired1 = ±1 MHz,

dev=40kHz, 1 kHz

Undesired2=±2MHz, no mod

106

dBµV

3 signal performance(1)

no preselection (“wide-band”)

application

Desired = 40 dBµV,

dev = 40 kHz, 400 Hz,

SINAD = 30 dB

Undesired1 = ±400 kHz,

dev = 40 kHz, 1 kHz

Undesired2 = ±800 kHz, no

mod

103

dBµV

Desired = 40 dBµV,

dev=40kHz, 400 Hz,

SINAD=30 dB

Undesired1 =±1 MHz,

dev=40kHz, 1 kHz

Undesired2=±2MHz, no mod

104

dBµV

AM suppression

m =30 %

Table 17.

FM overall system performance (continued)

Parameter

Test condition

Min

Typ

Max

Units

TDA7705 Fiches technique(PDF) 24 Page - STMicroelectronics

TDA7705 Fiches technique(HTML) 24 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Fiches technique Télécharger

Lien URL