TDA7705 datasheet(26/42 Pages) STMICROELECTRONICS

Part #	TDA7705

Description	Highly integrated tuner for AM/FM car radio

PDF	42 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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26 / 42 page

Electrical specifications

TDA7705

26/42

Doc ID 15938 Rev 9

Strong signal interferer

SNR

F= ±40 kHz

desired = 40 dBµV

undesired = 100 dBµV,

m= 30%, 1 kHz

-15

F=±400kHz

desired=40 dBµV

undesired=100 dBµV,

m=30%, 1kHz

Strong signal interferer

suppression

F=±40 kHz

desired=40 dBµV

undesired=110 dBµV,

m=30%, 1 kHz

-4

F=±400kHz

desired=40 dBµV

undesired=110 dBµV,

m=30%, 1kHz

-4

Strong signal interferer

cross-modulation

F=±40kHz

desired=80 dBµV

undesired=100 dBµV,

m=30%, 1kHz

F=±400kHz

desired=80 dBµV

undesired=100 dBµV,

m=30%, 1kHz

Image rejection

Logarithmic field strength

indicator

@60 dBµV

read “AM_Smeter_log”

0.50

(equiv.

to 57

dBµV)

0.47

0.43

(equiv.

to 63

dBµV)

Table 18.

AM MW overall system performance (continued)

Parameter

Test condition

Min

Typ

Max

Units

TDA7705 Datasheet(PDF) 26 Page - STMicroelectronics

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