TDA7511 datasheet(7/41 Pages) STMICROELECTRONICS

部件名	TDA7511

功能描述	AM/FM TUNER FOR CAR RADIO AND HIFI APPLICATIONS

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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TDA7511

IP3

3rd order intercept point

122

dB

µV

F

Noise figure

6dB

AC

Conversion gain

120

mS

IF1 Amplifier1 & 2 (10.7MHz)

Amin

Min. gain

IFG

9

dB

Amax

Max. gain

IFG

15

dB

RIN

Input resistance

330

Ω

ROUT

Output resistance

330

Ω

P1dB

1dB compression point

Output referred

120

dB

µV

IP3

3rd order Intercept Point

Output referred

132

dB

µV

Mixer2 (450kHz)

RIN

Input impedance

330

Ω

V46

Max. input voltage

900

mVRM

S

V48

Limiting sensitivity

S/N = 20dB

25

µV

A

Mixer gain

18

dB

Limiter 1 (450kHz)

GLimiter

Gain

80

dB

Demodulator, Audio Output

THD

Dev.= 75kHz, V46 = 10mVRMS

0.1

%

VMPX

MPX output signal

Dev.= 75kHz

500

mVRM

S

ROUT

Output resistance

350

Ω

|

∆V|min

DC offset fine adjust

DEM, MENA=1

6

mV

|

∆V|max DC offset fine adjust

DEM, MENA=1

186

mV

S/N

Dev.= 40kHz,V46 = 10mVRMS

75

dB

Quality Detection

S-meter, Unweighted Fieldstrength

V46

Min. input voltage MIX2

10

µV

∆V

Per decade

SMSL = 0

1

V

∆V

Per decade

SMSL = 1

1.5

V

V14

Fieldstrength output

V46 = 0VRMS

0.1

V

V14

Fieldstrength output

V46 = 1VRMS

4.9

V

ROUT

Output resistance

4

k

Ω

ELECTRICAL CHARACTERISTCS (continued)

Tamb = +25°C, VCC1 = VCC2 = VCC3 = VCCVCO = VCCMIX1 = 8.5V, fRF = 98MHz, dev. = 40kHz,

fMOD =1kHz, fIF1 = 10.7MHz, fIF2 = 450KHz, fXtal = 10.25MHz, in test or application circuit, unless otherwise

specified.

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

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