TDA7511 datasheet(11/41 Pages) STMICROELECTRONICS

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TDA7511

aIF

IF rejection

Ref: VINRF = 74dBµV,

IF1 = 10.7MHz

IF2 = 450kHz

∆V37 = -10dB

100

aTW

C28 = 22

µF

-3

-0.7

fAF

Frequency response

Ref.: VINRF = 74dB

µV,

∆VAF = -3 dB

3.6

kHz

VINRFSS

Seek Stop Sensitivity

AMSS

µV

THD

Total Harmonic Distortion

VINRF = 74 dB

µV, m = 0.8

m = 0.3

VINRF = 120 dbµV, m = 0.8

m = 0.3

0.5

0.3

1.0

0.3

V37

Output level

VINRF = 74 dBµV

220

mVRM

V34

Output level

VINRF = 74 dB

µ, m=off

190

mVRM

Min. RF AGC threshold

Max. RF AGC threshold

AMAGC

Wide

98.8

µV

V58

Min. IF AGC threshold

Max. IF AGC threshold

AMAGC

Middle

80.1

96.8

µV

Min. IF AGC threshold

Max. IF AGC threshold

DAGC

Narrow

32.6

80.7

µV

R63OUT

Output impedance

100

Ω

R40OUT

Output impedance

AMSEEK = 0

150

Ω

R40OUT

Output impedance

AMSEEK = 1

Ω

AGC Voltage Driver Output

Max. AGC output voltage

3.5

Min. AGC output voltage

0.5

|I4|

AGC current

100

µA

AGC PIN Diode Driver Output

I64

AGC driver current

1.5

AM Mixer1 (10.7MHz)

RIN

Input impedance

1.2

Ω

IP3

3rd order intercept point

140

µV

Noise figure

7dB

ELECTRICAL CHARACTERISTICS (continued)

Tamb = +25°C, VCC1 = VCC2 = VCC3 = VCCVCO = VCCMIX1 = VCCMIX2 =8.5V, fRF =1MHz, fMOD = 400Hz at 30%

AMfIF1 = 10.7MHz, fIF2 = 450kHz, fxtal = 10.25MHz, in test or application circuit, (unless otherwise noted, VinRF

antenna input).

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

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