TDA7088 Ver la hoja de datos (PDF) - Unisonic Technologies

Número de pieza

componentes Descripción

fabricante

TDA7088

FM receiver circuit for battery supply

Unisonic Technologies 

UTCTDA7088 LINEAR INTEGRATED CIRCUIT

AC CHARACTERISTICS

Vp=3V,Tamb=25°C, fiRF=96MHz modulated with fmod=1kHz and +-22.5kHz deviation; Vi=400µV(measured as

EMF,Rs=75Ω) and measurements taken in Fig.4;unless otherwise specified.

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNIT

RF sensitivity input voltage (RMS Vi(rms) VOAF=-3dB;VOAF=0dB at

value)

Vi=1mV;see Fig.3

Mute off

3

6

µV

Mute on

3

6

12

µV

(S+N)/N =26dB

5

10

µV

Signal handling

Vi(rms) ∆f=+-75kHz,THD<10%

100 200

mV

Signal plus noise-to-noise ratio (S+N)/N See Fig.3

52

56

dB

Total harmonic distortion

THD

∆f=+-22.5kHz

1

1.4

%

∆f=+-75kHz

2.4 3.3

%

AM suppression

αAM

FM:1kHz,+-75kHz,

47

52

dB

AM:1kHz,m=0.8

Ripple rejection

RR1000 100mV RMS ripple on Vp,f=1kHz 7

10

dB

Audio output signal (RMS value) Vo(rms) RL=22kΩ

60

85 120 mV

Search Tuning (with BB910 and C16=0.1µF) see Fig.1

Minimum output voltage on pin16 V16

Limiting point

Vp -

V

1.85

Tuning steepness

∆V/∆t

Voltage at pin16

95 210 420 mV/s

Oscillator steepness

∆Fosc/∆t

1.25 2.83 5.6 MHz/s

AFC steepness

∆IAFC/∆V3 Voltage at pin3

4.75 9.5

19

µS

UTC UNISONIC TECHNOLOGIES CO., LTD. 4

QW-R110-016,A

Share Link: